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US TOWER(S) CORPORATION Lattice Tower Manual

1 US Tower(s) Corporation considers this manual and all of its contents to be Proprietary Information. Do not distribute or disclose it or its contents to anyone without US Tower(s) Corporation’s prior written approval.

ML 7.5.1-06 Rev B

Lattice Tower Manual

US Tower Corporation US Towers Corporation 1099 W. Ropes Ave. 702 E. North St. Woodlake, CA 93286 Lincoln, KS 67455 Phone (559) 564-6000 Phone (785) 524-9966 Fax (559) 564-6011 Fax (785) 524-9908

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FIXED LATTICE TOWER MANUAL Lattice Tower Manual


ML 7.5.1-06 Rev B

Table of Contents 2 General Information 3 1. Equipment Description/Specifications 5 1.1 Tower Models 5 1.1.1 TMM433SS 5 1.1.2 TMM433HD 5 1.1.3 TMM541SS 5 1.1.4 TX438 5 1.1.5 TX455 6 1.1.6 TX472 6 1.1.7 TX489 6 1.1.8 HDX538 6 1.1.9 HDX555 6 1.1.10 HDX572 7 1.1.11 HDX589 7 1.1.12 HDX689 7 1.1.13 HDX5106 7 1.2 Tower Accessory Options 8 1.2.1 UST Accessories 8 1.2.2 Compatible Rotators 9 2. Safety Precautions 9 2.1 General Safety 9 2.2 Site Safety 9 3. Installation 10 3.1 Building the Foundation 10 3.2 Installing the Tower 11 3.3 Set Grouting 11 3.4 Grounding 12 3.5 Accessories Installation 12 3.5.1 Raising Fixtures 12 3.5.2 Rotators 16 3.5.3 Mast Raising Fixtures 16 3.5.4 Coax Arms 18 3.5.5 RMC-1000 18 4. Maintenance 22 4.1 Inspection 22 4.2 Hand Winch 22 4.3 Motor Drive 22 5. UST Warranty 23

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Important General Information & General Notes Notice: The entire contents of this manual must be read and understood before attempting installation or maintenance of the equipment described herein. The buyer is responsible for confirming all local zoning restrictions and code requirements. US Tower(s) Corporation recommends that you, the buyer, obtain all necessary permits prior to installation. To assist you in applying for the necessary construction permits, structural calculations conforming to the building code requirements are available. The installation and maintenance of the equipment described in this manual can be dangerous and should never be attempted by anyone who does not possess the proper specialized skills, training, and experience to perform the work required. US Tower(s) Corporation can only design safe equipment and recommend procedures for its proper installation and maintenance. US Tower(s) Corporation assumes no responsibility for the safe handling, installation, maintenance, and use of this equipment. General Notes US Tower(s) Corporation products are designed to meet specific design loads. To obtain optimal performance from the products and achieve maximum allowable design loads, the products must be properly installed and used in accordance with the installation and maintenance instructions and design limits provided by US Tower(s) Corporation. Proper product installation and maintenance requires careful attention to all notes, requirements, and instructions. Failure to fully follow all of the notes, requirements, and instructions provided by US Tower(s) Corporation may result in improper installation of products. Improperly installed products may not perform to the specifications set forth and may reduce a towers ability to resist the movement, stress, and loading that occurs from gravity loads as well as environmental events such as earthquakes and high velocity winds. US Tower(s) Corporation does not guarantee the performance or safety of products that are modified, improperly installed, improperly maintained, or not used in accordance with the specified design load limits. All construction, installation, and maintenance activities shall be conducted in accordance with all Federal, State, Local, OSHA, and other applicable laws, requirements, and ordinances. The Owner shall assume full responsibility and liability for the periodic inspection of the tower and accessory items including the lift cables. Any cable (or other element) with any sign of distress or excessive stretch shall be immediately inspected by qualified personnel and if necessary, replaced or repaired by qualified personnel. US Tower(s) Corporation reserves the right to change specifications, designs, and models without notice or liability for such changes. Do not modify a tower, any connection, or element of the tower. Modifications can result in an unsafe condition and loss of the tower. Do not overload a tower. Overloaded towers can result in an unsafe condition and loss of the tower. Refer to the tower structural calculations for the design parameters and allowable design loading.

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Unless specifically stated otherwise, the towers in this manual have not been designed for snow or ice accumulation. All towers shall be fully retracted prior to any snow, ice, or other significant environmental event. Coax and other cables running up the height of the tower shall be bundled together. The quantity, diameter, and weight of the cables shall not exceed the values shown in the tower structural calculations. (Typically this is the equivalent of one 7/8” diameter cable weighing 0.3 lbs per ft. Contact US Tower(s) Corporation for loadings that exceed those shown in the tower structural calculations. The towers in this manual have not been designed to meet any twist, sway, or deflection requirements. The towers in this manual have been designed for a Structure Class 1; Structures that due to height, use, or location represent a low hazard to human life and damage to property in the event of failure and/or used for services that are optional and/or where a delay in returning the services would be acceptable. Contact US Tower(s) Corporation for other Structure Classifications. The towers in this manual have been designed for a Topographic Category 1; No abrupt changes in general topography, e.g. flat or rolling terrain, no wind speed-up considerations required. Contact US Tower(s) Corporation for other Topographic Categories.

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1. Equipment Description/Specifications US Tower’s line of quality telescoping towers offer multiple models and options providing maximum flexibility for meeting your individual requirements. The TMM product line offers compact towers with a low retracted height. The standard TX tower series provide strong economical towers wile the HDX heavy-duty series towers have up to 2 ½ times more wind loading capacity than other commonly advertised units. A full line of accessories including our commercial bases, anchor bolts, and raising fixtures are available to provide turnkey capability. 1.1 Tower Models (Information shown is approximate.) 1.1.1 TMM-433SS Max Height 33’ Min. Nested Height 14’ Inside diam. 5 3/4” Weight 315 lbs. Number of Sections 4 Top Section Width 10” Bottom Section Width 18” Standard accessories: Hand winch, Hinged Base, Anchor Bolts, Rotor Plate, 2” O.D. 8’ mast. * See Table 1 for optional accessories - See Table 2 for Compatible Rotors. 1.1.2 TMM-433HD Max Height 33’ Min. Nested Height 14’ Inside diam. 6 1/2” Weight 400 lbs. Number of Sections 4 Top Section Width 12 ½” Bottom Section Width 21 5/8” Standard accessories: Hand winch, Hinged Base, Anchor Bolts, Rotor Plate, 2” O.D. 8’ mast. * See Table 1 for optional accessories - See Table 2 for Compatible Rotors. 1.1.3 TMM-541SS Max Height 41’ Min. Nested Height 15’ Inside diam. 5 3/4” Weight 430 lbs. Number of Sections 5 Top Section Width 10” Bottom Section Width 21 5/8” Standard accessories: Hand winch, Hinged Base, Anchor Bolts, Rotor Plate, 2” O.D. 8’ mast. * See Table 1 for optional accessories - See Table 2 for Compatible Rotors. 1.1.4 TX-438 Max Height 38’ Min. Nested Height 22’ Inside diam. 6 1/2” Weight 355 lbs. Number of Sections 2 Top Section Width 12 1/2” Bottom Section Width 15” Standard accessories: Hand winch, Hinged Base, Anchor Bolts, Rotor Plate * See Table 1 for optional accessories - See Table 2 for Compatible Rotors

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1.1.5 TX-455 Max Height 55’ Min. Nested Height 23’ Inside diam. 6 1/2” Weight 670 lbs. Number of Sections 3 Top Section Width 12 1/2” Bottom Section Width 18” Standard accessories: Hand winch, Hinged Base, Anchor Bolts, Rotor Plate * See Table 1 for optional accessories - See Table 2 for Compatible Rotors. 1.1.6 TX-472 Max Height 72’ Min. Nested Height 24’ Inside diam. 6 1/2” Weight 1040 lbs. Number of Sections 4 Top Section Width 12 1/2” Bottom Section Width 21 5/8” Standard accessories: Hand winch, Hinged Base, Anchor Bolts, Rotor Plate * See Table 1 for optional accessories - See Table 2 for Compatible Rotors. 1.1.7 TX-489 Max Height 89’ Min. Nested Height 25’ Inside diam. 6 1/2” Weight 1500 lbs. Number of Sections 5 Top Section Width 12 1/2” Bottom Section Width 25 5/8” Standard accessories: Hand winch, Hinged Base, Anchor Bolts, Rotor Plate * See Table 1 for optional accessories - See Table 2 for Compatible Rotors. 1.1.8 HDX-538 Max Height 38’ Min. Nested Height 21’6” Inside diam. 8 ¼” Weight 600 lbs. Number of Sections 2 Top Section Width 15” Bottom Section Width 18” Standard accessories: Hand winch, Hinged Base, Anchor Bolts, Rotor Plate * See Table 1 for optional accessories - See Table 2 for Compatible Rotors. 1.1.9 HDX-555 Max. Height 55’ Min. Nested Height 22’6” Inside diam. 8 ¼” Weight 870 lbs. Number of Sections 3 Top Section Width 15” Bottom Section Width 21 5/8” Standard accessories: Hand winch, Hinged Base, Anchor Bolts, Rotor Plate * See Table 1 for optional accessories - See Table 2 for Compatible Rotors.

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1.1.10 HDX-572 Max. Height 72’ Min. Nested Height 23’6” Inside Diam. 8 ¼” Weight 1420 lbs. Number of Sections 4 Top Section Width 15” Bottom Section Width 25 5/8” Standard accessories: Hand winch, Hinged Base, Anchor Bolts, Rotor Plate Suggested accessories: MDPL -1000 Motor Drive with either MCL-100 Limit Switch, Control or RMC-1000 Remote Control * See Table 1 for optional accessories - See Table 2 for Compatible Rotors. 1.1.11 HDX-589MDPL Max. Height 89’ Min. Nested Height 24’6” Inside Diam. 8 ¼” Weight 2440 lbs. Number of Sections 5 Top Section Width 15” Bottom Section Width 30 5/8” Standard accessories: MDPL-1000 Motor Drive, MCL-100 Limit Switch Control, Hinged Base, Anchor Bolts, Rotor Plate * See Table 1 for optional accessories - See Table 2 for Compatible Rotors. 1.1.12 HDX-689MDPL Max. Height 89’ Min. Nested Height 24’6” Inside Diam. 8 5/8” Weight 3400 lbs. Number of Sections 5 Top Section Width 18” Bottom Section Width 37 1/8” Standard accessories: MDPL-1000 Motor Drive, MCL-100 Limit Switch Control, Hinged, Base, Anchor Bolts, Rotor Plate * See Table 1 for optional accessories - See Table 2 for Compatible Rotors. 1.1.13 HDX-5106MDPL Max. Height 106’ Min. Nested Height 25’6” Inside Diam. 8 ¼” Weight 3805 lbs. Number of Sections 6 Top Section Width 15” Bottom Section Width 37 1/8” Standard accessories: MDPL-1000 Motor Drive, MCL-100 Limit Switch Control, Hinged, Base, Anchor Bolts, Rotor Plate * See Table 1 for optional accessories - See Table 2 for Compatible Rotors. **See Tower Structural Calculations for all Design Parameters & Wind Load Ratings.**

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1.2 Tower Accessory Options

1.2.1 UST Accessories O – Optional S – Standard R – Required

Accessory TX438 TX455 TX472 TX472MDP TX489 TX489MDPL HDX538 HDX555 HDX572 HDX572MDPL HDX589MDPL TM433SS TMM433HD TMM541SS Masts M5 O O O O O O O O O O O O O O M8 S S S M10 O O O O O O O O O O O O O O M15 O O O O O O O O O O O O O O M20 O O O O O O O O O O O M15R O O O O O O O O O O O M20R O O O O O O O O O O O CM20 O O O O O O O O O O O Tower Raising Fixture TRX80 O O O O O O O TRX80HD O O O O O O O Service Platform HDP O O O O O O O Coax Standoff Arms CX2 O O CX3 O O CX4 O O O O O O CX5 O O O O Motor Drives MD75 O O O O O O O MDP750 O O S O O O MDPL1000 O O S O S S RMC1000 O O O O O O O O O O O MCL100 O O R O S O O S S O O O Anchor Bolts ¾”x27” S 1”x27” S S S S S S S 1 1/8”x27” S S S S S S Rotor Plate RP3 S S RP4 S S S S S S S RP5 S S S S S Mast Raising Fixture MRF O O O O O O O O O O O O Thrust Bearing TB2US O O O O O O O O O O O O Inverted V Arm IV16 O O O O O O O O O O O O O O

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1.2.2 Compatible Rotators

Rotor Manufacturer Rotor Model Allowable Sq. Ft.

Compatible UST Tower Model

Hy-Gain HDR 300 25 None Hy-Gain T2X 20 HDX, MA Hy-Gain HAM IV 15 HDX, TX, MA, TMM (HD only) Hy-Gain CD-45 8.5 HDX, TX, MA, TMM (HD only) Hy-Gain AR-45 3.0 HDX, TX, MA, TMM (HD only) Hy-Gain Diawa 750 9” 15-30 HDX Kenpro KR-400 10 HDX, TX, MA, TMM (HD only) Kenpro KR-600 12 HDX, TX, MA, TMM (HD only) Kenpro KR-2000 20 HDX, TX, MA, TMM (HD only) Yaesu GS2700DX HDX, TX, MA, TMM (HD only) Yaesu G800SDX HDX, TX, TMM (HD only) Yaesu G2800 HDX, TX, TMM (HD only) Yaesu G800 HDX, TX, MA, TMM (HD & SS)

Table 2

2. Safety Precautions 2.1 General Safety Precautions and Procedures 2.1.1 Never take short cuts 2.1.2 Never install a tower near power lines 2.1.3 Never work alone, always have at least one other person present 2.1.4 Never install a tower on a windy day, during a rain storm, or any time there is a likelihood of lightening 2.1.5 Never climb the tower 2.1.6 Never raise or lower the tower when surfaces are iced 2.1.7 Never overload the tower by exceeding the antenna sail area or weight limit 2.1.8 Never reach into the center of the tower 2.1.9 Never try to catch the tower should it start to fall 2.1.10 Never use the raising fixture unless the tower is fully retracted 2.1.11 Never modify any parts of the tower or its accessories 2.1.12 Never get oil or grease on the manual winch brake disc fibers 2.1.13 Never rotate the antenna while raising or lowering your tower 2.1.14 Always check for underground gas lines, telephone lines, or other buried utilities 2.1.15 Always lower the tower to the fully retracted position if the wind is expected to exceed 50 MPH 2.1.16 Always use the proper tools and safety equipment 2.1.17 Always contact the power company if the tower, metal ladder, or any other objects come in contact with power lines. Do not remove them yourself. 2.1.18 Always keep the tower and all components well maintained and inspected for wear or damage that might lead to equipment failure or injury 2.2 Site Safety 2.2.1 The proximity of electrical lines to the installation site is extremely important. The nearest electrical line should be at least two times the tower height from the tower center line. 2.2.2 Soil conditions that will allow for a good foundation and access to the tower under all weather conditions. In many cases the information on soil types or best configuration is available from the agency that will issue the building permit. Follow all OSHA, Local, and other safety requirements. 2.2.3 The tower should be located as close as is practical and safe to the related equipment.

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3. Installation Instructions 3.1 Building the Foundation The method of construction and safety is the responsibility of the Contractor / Installer. All work shall be performed in accordance with all Building Code and Design Standard Requirements. 3.1.1 Refer to standard Foundation Notes and information in the Tower Calculations for foundation requirements and design specifications. 3.1.2 Dig a hole to specifications of the Tower Calculations. 3.1.3 Build the rebar structure to the specifications of the Tower Calculations. See figure 1 for a general reference diagram.

12"

3"

12"

12"

Center of Vertical Bars

12"

12"

12"

Figure 1

3.1.4 Build a wooden form for the concrete base as specified by the Tower Calculations. Place the form over the hole and stabilize. 3.1.5 Install the Anchor Bolts in the T-Base as they will sit in the foundation. Tape the exposed threads of the Anchor Bolts on the top side of the T-Base to protect them from concrete. 3.1.6 Suspend the T-Base with Anchor Bolts over the hole with stabilized 2x4’s assuring the hinged side of the T-Base is perpendicular to the direction that the tower will be raised. Stabilize the bottom of the anchor bolts to ensure they will remain vertically plumb during concrete placement. See figure 2.

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Figure 2

3.1.7 Pour the concrete into the form (must be a continuous pour). 3.1.8 Assure that the Anchor Bolts are still aligned and no shifting has occurred. If realignment is necessary, tap the bolt with a wooden block (metal objects will damage the threads). 3.1.9 Allow the concrete to cure for 28 days. Remove form. 3.2 Installation of Tower 3.2.1 If not still on foundation, install T-Base using double hex nut to level the base. 3.2.2 Inspect the mounting tabs on the T-Base assuring they are still straight and undamaged. 3.2.3 Set the tower on the hinged (bottom) side of the T-Base. Align the bottom holes of the tower mounting tabs with the bottom holes of the T-Base and install hardware. Hand tighten the nuts. 3.2.4 Install Raising Fixture. See Accessories Installation; 3.4.1 Raising Fixture. 3.2.5 Lift the tower to a convenient height and place on saw horse or other support of adequate strength to install the rotor and antenna. 3.2.6 Install Rotor, Mast Raising Fixture, and Antennas. See Accessories Installation; 3.4.2 Rotor and 3.4.3 Mast Raising Fixture. 3.2.7 Lift the tower into place using the Raising Fixture or alternative (crane, fork lift, etc.) 3.2.8 Install the remaining base bolts. 3.3 Set Grouting 3.3.1 Check to assure the tower is plumb. 3.3.2 Use Quickcrete (or equivalent) grout, mixed per directions of bag, to pack the area between the foundation and the T-Base. Slope the edges away from the T-Base to allow water to drain. Grout Specifications: Compressive Strength, ASTM C109 modified per ASTM C1107 Plastic Consistency: 1 day 3,000 psi (20.7 MPa) 3 days 9,500 psi (65.5 MPa) 7 days 10,000 psi (68.9 MPa) 28 days 14,000 psi (96.5 MPa) Height change per ASTM C1090 ~ Days 1, 3, 7, 28 0-0.2%

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Flowable Consistency 1 day 3,000 psi (20.7 MPa) 3 days 9,500 psi (65.5 MPa) 7 days 10,000 psi (68.9 MPa) 28 days 14,000 psi (96.5 MPa) Height change per ASTM C1090 ~ Days 1, 3, 7, 28 0-0.2% Fluid Consistency 1 day 2,500 psi (17.2 MPa) 3 days 5,000 psi (34.5 MPa) 7 days 6,000 psi (41.4 MPa) 28 days 8,000 psi (55.2 MPa) Height change per ASTM C1090 ~ Days 1, 3, 7, 28 0-0.2% Pull out strength: 35,000 psi (241 MPa) 3.4 Grounding To protect your equipment, the tower must be properly grounded. Drive a four to eight foot steel rod into the ground as close to the tower as possible (some locations require more than one ground rod. The installer is responsible to meet all local requirements.) Connect a #8 or larger copper or aluminum wire between the base of the tower and the grounding rod. Where applicable, the installation and all components must conform to the requirements of the latest edition of the National Electric Code (NEC) article 800 – Communications Circuits, and article 810 – Radio and Television Equipment. 3.5 Accessories Installation 3.5.1 Tower Raising Fixtures 3.5.1.1 Install rectangular tube of Raising Fixture to the top of the T-Base with the hardware provided. See figure 3.

Figure 3

3.5.1.2 Install short tab side of the two arms of the Raising Fixture to the rectangular tube as per your tower model with the hardware provided. See Figure 4 or 5; depending on the model of raising fixture you ordered. 3.5.1.3 Mount the long tab side of the Raising Fixture arms to the short tabs on the T-Base.

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Figure 4 - TRX80 Diagram

TX438 Mounts in Top Hole. TMM 433SS, TX455, and HDX538 mount in middle hole. TMM514SS, TMM433HD, and HDX555 mount in bottom hole.

TMM433SS, TMM433HD, and TMM541SS anchor at this point.

2. Around pulley on tower

1. From winch over pulley

3. Anchor to raising fixture

Note: Though shown vertical, this piece may lean 12” in direction shown. This is normal.

Caution! Tower must be fully retracted before using the raising fixture.

Tower pivots on two bottom mounting ¾”x2” bolts (Not Shown)

For Tower Models: TMM433SS TMM433HD TMM541SS TX438 TX455 HDX538 HDX555

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Figure 5 - TRX80HD Diagram

Anchor Far Pulley

Far Pulley


Short ears on support arms bolt to raising fixture

Top Hole: TX472, HDX555 Bottom Hole: TX3106, HDX572, TX472MDPL, HDX555MDPL

Tower pivots on two bottom mounting ¾”x2” bolts (Not Shown)

For Tower Models: TX472 TX3106 HDX555 HDX572

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3.5.1.4 Install the winch handle to the winch and with pressure on the cable, turn the handle counter clockwise to bring the loop in the cable to the bracket on the tower. See Figure 6 for cable routing.

Figure 6 - TRX80HD Cabling Diagram


1. Cable goes from winch over top of the left 5” pulley

2. Over top of left 3 ½” pulley on tower

3. Back around the bottom of the right 5” pulley

4. Over top of right 3 ½” pulley on tower

5. Anchors on the raising fixture

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3.5.2 Rotators 3.5.2.1 With the tower in a horizontal position and resting on a saw horse or other support. Unlock the thrust bearing so pull the top section out far enough for the rotor stops to clear the top of the second section of the tower. 3.5.2.2 Place the rotor in the tower with the shaft bearing pointing up. 3.5.2.3 Install the rotor mounting plate and bolt the rotor to the mounting plate with the hardware that came with the rotor. 3.5.2.4 Assemble the rotor mast, mast platform, and mast. 3.5.3 Mast Raising Fixtures 3.5.3.1 Mast raising fixture holes are predrilled on the top plate of the tower (This is only the case if the MRF was ordered with a tower. If installing a MRF on an older tower, a template will be needed to drill the holes.) If you are installing a MRF on a tower with a thrust bearing, you might be required to remove the thrust bearing to install the MRF. See Figure 7 for Thrust Bearing Diagram. 3.5.3.2 Mount the MRF to the tower. Release the entire length of cable and remove it from the winch drum. (The small compression brackets that hold the cable to the drum will have to be removed.) 3.5.3.3 Insert the cable into the guide hole from the bottom and re-attach to the drum. 3.5.3.4 Bolt the eye of the cable through the mast in the predrilled hole, installing a washer on the both sides of the mast.

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Figure 7 ~ TB2US

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3.5.4 Coax Arms 3.5.4.1 Bolt the longest coax arm to the top section as shown in Figure 8. Make sure the mounting bolt is inserted from the inside of the tower so they cannot catch on the next inner section during extension and retraction of the tower. 3.5.4.2 Bolt the remaining coax arms in descending lengths at the top of each section, bolted from the inside out. See Figure 8.

Figure 8

3.5.5 RMC-1000 3.5.5.1 Wire Requirements (not supplied by UST) 3.5.5.1.1 Remote “C” terminal connections use #20 or larger, seven conductors. 3.5.5.1.2 Outdoor relay cabinet “B” terminals to the motor use #14/4 or larger. 3.5.5.1.3 Outdoor relay cabinet “D” terminals to the limit switches, use #18/3 or larger. 3.5.5.2 Remote Control Unit (See Figures 9 and 10 for wiring references) 3.5.5.2.1 Remove power from both remote and relay units. 3.5.5.2.2 Remove cover plates. The remote cover is easily removed by loosening the screws on each end and removing the two top center screws.

1. Coax cable arms are supplied with your tower, including a pair of bolts with nuts for each arm. 2. Install the longest arm on the top (smallest) tower section. Holes corresponding to those on the arm can be found at the side of the top of each tower section. 3. Install each successively smaller arm onto the next lower (larger) tower section. The cable holding loops of the end of each arm should appear in a nearly vertical line following installation.

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3.5.5.2.3 Connect terminals C1, C2, C3, C4, C6, C7, and C8 from the remote to the same numbered terminal on the outdoor relay unit. 3.5.5.2.4 Replace the cover and screws. 3.5.5.2.5 When all connections have been made and the remote cover replaced, make sure the remote is off before plugging in. To use the unit, put the center switch to either raising or lowering position, the right hand switch in the remote position and turn the power switch on. It may be several seconds before the motor will start to run. This time is set by the delay relays in the outdoor relay cabinet. If the delay is bypassed, the motor could continue to run in the same direction when attempting to reverse sections. The tower can be operated at the tower site with the use of the switch located on the right side of the outdoor relay cabinet. To use this feature, the remote unit local/remote switch must be in the local position. ALWAYS TURN OFF THE POWER IN THE REMOTE UNIT TO PREVENT UNAUTHOIZED USE. The center raising/lowering switch should be in the center position when not in use. Replace the outdoor relay weather proof cover by pulling out the tab on the inside bottom of the box. A padlock can be installed and is recommended. ALL ELECTRICAL WIRING AND CONNECTIONS SHOULD BE PERFORMED BY A LICENSED ELECTRICAL CONTRACTOR. These units are for use with 110 voltages only.

Figure 9 – RMC 1000 Remote Wiring Reference

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Figure 10 – RMC 1000 Box Wiring Reference

3.5.5.3 Motor Hook Up (See Figure 11 for Wiring Reference) 3.5.5.3.1 Connect wire from outdoor relay cabinet terminal B4 to motor leads T2 and T4 with a wire nut large enough to encompass three wires. 3.5.5.3.2 Connect wire from outdoor relay cabinet terminal B3 to motor lead P1. 3.5.5.3.3 Connect wire from outdoor relay cabinet terminal B1 to motor lead 5. 3.5.5.3.4 Connect wire from outdoor relay cabinet terminal B2 to motor lead 8.

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Figure 11 – MCL 100 Box Wiring Reference

3.5.5.4 When all connections have been made and the remote cover replaced, make sure the remote is off before plugging in. To operate the unit, verify the center switch and the power switch is in the “Off” position and put the right hand switch into the “Remote” position. Turn the power switch on and then move the center toggle switch to the raise / lower position. It may be several seconds before the motor will start to run. This time is set by the delay relays in the outdoor relay cabinet. If the delay is bypassed, the motor could continue to run in the same direction when attempting to reverse sections. 3.5.5.5 The tower can be operated at the tower site with the use of the switch located on the right side of the outdoor relay cabinet. To use this feature, the remote unit local/remote switch must be in the local position. 3.5.5.6 Always turn off the power in the remote unit to prevent unauthorized use. The center raising/lowering switch should be in the center position when not in use. 3.5.5.7 Replace the outdoor relay weather proof cover by pulling out the tab on the inside bottom of the box. 3.5.5.8 A padlock can be installed and is recommended. All electrical wiring and connections should be performed by a Licensed Electrical Contractor. 3.5.5.9 These units are for use with 110 voltages only.

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ML 7.5.1-06 Rev B

4. Maintenance 4.1 Inspection 4.1.1 THE TOWER MUST BE FULLY RETRACTED BEFORE ATTEMPTING MAINTENANCE. NEVER CLIMB THE TOWER FOR ANY REASON. 4.1.2 Qualified personnel should completely inspect the tower at least twice a year. Heavy loads, strong winds, and dust or salt air conditions require monthly inspections. 4.1.3 A thorough inspection should be performed immediately after every rain, snow, ice and sand storm. 4.1.4 Inspection Points 4.1.4.1 Inspect for rust 4.1.4.2 Inspect for worn, kinked, and/or frayed cables (cables need replaced at a minimum of every three years or anytime there is evidence of heavy wear or corrosion) 4.1.4.3 Inspect for loose or missing bolts and/or nuts 4.1.4.4 Inspect for damage or excessive wear surfaces or points on pulleys, shafts, and anchor systems 4.1.4.5 Inspect for wear on gearbox, drum, bearings, belt drives, chain drives, and cable control winder 4.2 Hand Winch Maintenance and Safety 4.2.1 Inspect hand winch before each use. 4.2.2 Maintain a film of automotive grease on all gear teeth and the outside diameter of the drum bearing. 4.2.3 Keep the ratchet pawl pivot, bushings, and pinion threads lubricated with automotive grease. 4.2.4 DO NOT GET OIL OR GREASE ON THE FRICTION DISKS. THIS COULD ALLOW FOR THE TOWER TO SLIP OR FALL. 4.2.5 Check brake friction disks for wear. If less that 1/16” thick, cracked, or broken, they must be replaced. 4.2.6 Inspect fasteners for proper tightness. 4.2.7 Inspect the cable and hook for damage. If damaged do not use, replace immediately. 4.2.8 During each usage, check for proper winch ratchet operation. When cranking cable in, a loud clicking sound must be heard from the ratchet. If loud clicking is not heard, do not use and replace damaged components immediately. When cranking cable out, there is no clicking noise and the ratchet pawl must be fully engaged into the ratchet gear teeth. 4.2.9 Assure the ratchet pawl is fully engaged and the load is supported before releasing the crank handle. 4.2.10 Never operate with slippery, wet, or oily hands and always maintain a firm grip on the winch handle. 4.2.11 Never leave a weight hanging from the winch while the winch is unattended, as another person may attempt to operate the winch creating an unsafe condition. 4.2.12 Never work on the cable or winch while the tower is in the raised position. 4.2.13 Never use the winch under icy or freezing conditions. 4.3 Motor Maintenance 4.3.1 Inspect the motor before each use. 4.3.2 Inspect the motor for dirt and signs of friction and vibration wear. 4.3.3 Blow out dust and sand from inaccessible locations and ventilator opening with compressed air. 4.3.4 Check the oil level in your gear box. It should be full up to the fill hole. 4.3.5 Inspect belts. If worn, damaged, or cracked; replace. 4.3.6 Using a lithium complex grease, grease all zirks until grease starts expelling from the bearing. (Approximately every six months depending on usage.) 4.3.7 Apply Beeswax to the tower legs and guides every six months.

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ML 7.5.1-06 Rev B

5. UST Limited Warranty US Tower(s) Corporation warrants the original purchaser for the period of one year from the date of delivery that each US Tower(s) product is free of defects in material and workmanship. If, in the judgment of US Tower(s) Corporation, any such product is defective, then US Tower(s) will, at its option, repair or replace the product at its own expense within 30 days of the date the product is returned (at the purchaser’s expense) to US Tower(s) Corporation. This warranty is in lieu of all other warranties, either expressed or implied. US Tower(s) Corporation shall not be liable for any incidental or consequential damages that may result from a defect (per state regulations). This warranty does not extend to any products that have been subject to misuse, neglect, acts of nature, accidents, or improper installation. This warranty is non-transferable and any alterations, modifications or repairs made by anyone other than a preauthorized Certified US Tower(s) agent will void this warranty.

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Fixed Lattice Tower Manual - QRZ Forums

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Transcript of Fixed Lattice Tower Manual - QRZ Forums