#1 (19BT), #2 (27BT), 17CT, and 22CT Geared Machine … … · it may be installed on machines...

S E P T E M B E R 8 , 2 0 0 8

UT-ID 6.2.0-15

#1 (19BT), #2 (27BT), 17CT, and 22CT Geared Machine Sheave Guard Installation

#1 (19BT), #2 (27BT), 17CT, AND 22CT GEARED MACHINE SHEAVE GUARD INSTALLATION

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ii

NONDISCLOSURE WARNING

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PUBLICATION CATALOGING DATA

First Issue: September 8, 2008 Master Index Control Number: Part Number: UT-ID 6.2.0-15

Comments or questions about the information contained in this publication should be directed to:

UNITEC 212 West Newberry Road Bloomfield, CT 06002 (800) 328-7840 Phone (860) 286-1625 Fax

Unpublished Work - UNITEC, 2008


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WARNING: The use and ownership of this work is defined in the legend upon the front page hereof.

Table of Contents 1. General Safety______________________________________________________________ 2

2. Introduction________________________________________________________________ 3

3. Installation Instructions ______________________________________________________ 5 3.1 Tools Required_________________________________________________________________ 5 3.2 Sheave Guard Installation ________________________________________________________ 6

3.2.1 Sheave Guard Installation—Lower Portion ________________________________________________ 6 3.2.2 Sheave Guard Full Cover Installation ___________________________________________________ 13

Appendix A: Part Numbers_____________________________________________________ 23


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1. General Safety

Before beginning the installation procedure, review your local policies and practices for:

Lockout Procedure

Electrical Safe Working Practices

Portable Electrical Tools

Mechanic’s Hand Tools

Follow all safety and installation procedures described in this document.

1. Lock and tag the main line disconnect.

2. Test and verify that power has been removed from the machine.

3. Test and verify the proper operation of the safety devices.

4. Establish a clear and concise communication method for running the car.

It is the local elevators company’s responsibility to ensure that the new equipment is in compliance with all applicable safety codes. Please refer to ASME A17.1 or CAN/CSA B44 and applicable local codes for clearance requirements.


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2. Introduction

The full cover sheave guard for the geared #1 (19BT), #2 (27BT), 17CT, and 22CT machines described in this document may replace previously installed sheave guards, or it may be installed on machines without existing sheave guards.

NOTE: This sheave guard assembly is not applicable for long wrap 17CT and 22CT geared machines.

The sheave guard assembly consists of:

Sheave Guard

Lubricator (optional)

Lubricator Shelf (optional)

This new device will:

Increase the safety of maintenance and repair personnel in the machine room.

Facilitate rope life improvement.

Keep the machine room cleaner.

The sheave guard is designed for machines in both seismic (with rope retainers) and non-seismic versions.


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Table 1: Sheave Guard Kit Part Numbers

#1 (19BT), 2 (27BT), 17CT, 22CT Machines

Part Number Description Notes

AAA384ALD3-UNITEC Full Cover Sheave Guard Assembly Kit W/O Lubricator or Shelf

AAA508AH_ Lubricator (optional; order only if not present) See Table 2

AAA386LEH1 Lubricator Bracket (optional) Order if Re-mounting Lubricator or Installing for the First Time

AAA488M_ Lubricator Replacement Wick (optional) See Table 2

VP-419750 Wire Rope Lubricant # 60,1 Gallon Can Order Separately

The sheave guard kit is painted cedar green.

Table 2: Lubricator and Lubricator Replacement Wick Total Width of

Ropes (outside-to-outside)

Lubricator Lubricator Replacement Wick

3 in. AAA508AH1 AAA488M3 5 in. AAA508AH2 AAA488M4 7 in. AAA508AH3 AAA488M4 9 in. AAA508AH4 AAA488M5

Lubricator

Figure 1: Lubricator

NOTE: A lubricator is not included with the sheave guard, because the existing lubricator should be re-used. If the lubricator requires replacement, order from Table 2. If only the felt needs replacement, order from Table 2. Only wire rope lubricant (p/n VP-419750) is used in this lubricator.


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3. Installation Instructions

3.1 Tools Required

Drive Drill

Torque Wrench

Drive Ratchet Handle

Pliers

Screw Driver (flat)

3/8 in. Socket

7/16 in. Socket

9/16 in. Socket

3/4 in. Socket

Tap Drill #7 (included in sheave guard kit)

Tap Drill 5/16 (included in sheave guard kit)

1/4-20 UNC Plug Tap (included in sheave guard kit)

WARNING: Lock out, tag out, and verify.

Lock and Tag


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3.2 Sheave Guard Installation

NOTE: Choose the locations of the bedplate channel mounting screws to avoid interference with the inserted twirl-nuts and the top mounting bolts in the unistrut (screws to bedplate should not align with the positions of the 28 in. vertical uprights).

3.2.1 Sheave Guard Installation—Lower Portion

3.2.1.1 Mounting Channels and Guard Plates Installation Instructions

1. Position the mounting channel (40 in. long) on the bedplate approximately 1.125 in. from the sheave edge.

NOTE: For pedestal machines (#1/19BT, #2/27BT), the mounting channel is between the gear case and the sheave (see Figure 2). For machines with overhung sheave (17CT, 22CT), it is outboard of the sheave (see Figure 5).

Mount the channel on the bedplate using three 1/4-20 x 1.5 in. screws. Use the most convenient mounting method (choose locations of bedplate channel mounting screws to avoid interference with twirl-nuts and 1/2-13 x 1 1/4 mounting bolts coming through top of unistrut). Once you are sure twirl-nuts and bolts, which will secure the uprights, will clear your bedplate channel mounting screws, drill through and bolt, or drill and tap the bedplate (tap drill #7, drill 5/16 and 1/4-20 UNC plug tap included in the sheave guard kit).

2. Mount the 10 in. cross channel, corner angles, triple wing single corner connections, and two 28 in. uprights on the counterweight rope drop side. Mount two 28 in. uprights on the car rope drop side (see Figures 2 and 3). Do not tighten the mounting bolts until adjusted. Leave all hardware temporally finger tight.


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Figure 2: Pedestal Machine Figure 3: Machine with Overhung Sheave


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3. Attach the guard plates to the CWT-side uprights (see Figures 4 and 5) so that the distance between each plate and the driving sheave edges is approximately 1 in. (see Figure 6).

Figure 4: Guard Plates Installation on Pedestal Machine

Figure 5: Guard Plates Installation on Machine with Overhung Sheave

Figure 6: Distance between Guard Plates and Sheave Edges


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4. Tighten all mounting bolts.

5. In order to make the guard more solid, insert the 14 in. threaded rod through 0.56 in. diameter bottom holes on the guard plates and tighten them so that the side guard plates remain parallel (see Figure 7).

Figure 7: Threaded Rod Installation


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3.2.1.3 Guard Bracket Installation

Follow the steps below if it is easy and safe to access the existing rope lubricator after the sheave guard installation. If not, skip to section 3.2.1.4 and follow guard and rope lubricator installation procedures.

1. Attach the long arm guard bracket to the car-side rope drop 28 in. uprights.

2. Overlap and attach the short arm guard bracket to the long arm guard bracket and adjust them so that the distance between each bracket arm and the driving sheave edges is one inch. Tighten all adjusting screws (see Figure 8).

Figure 8: Short and Long Arm Guard Bracket Installation

NOTE: The following steps describe rope lubricator installation. Follow these steps if there is no existing rope lubricator or the existing rope lubricator is installed in the place where it’s not easy and safe to access it after the sheave guard installation.


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3.2.1.4 Guard Bracket and Rope Lubricator Installation

1. Remove knockout portion from long and short guard brackets. Attach the long arm guard bracket to the car-side rope drop 28 in. uprights. Overlap and attach the short arm guard bracket to the long arm guard bracket and adjust them so that the distance between each bracket arm and the driving sheave edges is one inch. Tighten all adjusting screws (see Figure 9).

Figure 9: Short and Long Guard Bracket Knockout Portion Removal

2. Bend the lubricator shelf outward along the stitched line. Position the bent lubricator shelf so that the rope lubricator positioned on this shelf later will be freely inserted through knockout holes without any interference during the installation and future maintenance (oil refill) as well. Use the lubricator shelf as a template to mark its mounting hole locations on the guard bracket assembly (see Figure 10).

Figure 10: Lubricator Shelf Installation (optional item)


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3. Mark the hole locations for the shelf.

4. Remove the guard bracket assembly. Drill the marked holes using 5/16 drill bit.

5. Attach the lubricator shelf (use 1/4 in.-20 x 1.5 whiz screws and 1/4 in.-20 nuts).

6. Reattach the guard bracket to the 28 in. uprights so that the rope lubricator felt is located just below the point where the ropes contact the drive sheave.

7. Adjust the rope lubricator position in two directions (if necessary) by sliding along the lubricator shelf slot or by moving two 28 in. uprights along the mounting channel. Tighten all bolts. Wick should not touch ropes.

8. In order to stabilize the guard parts (if necessary), attach one end of the 28 in. long stabilizing extension channel to the unsupported guard plate and short arm guard and firmly position other channel end on the floor or bedplate (see Figures 11 and 12).

Figure 11: Stabilizing Channels Installation for Pedestal Machine

Figure 12: Stabilizing Channels Installation for Machine with Overhung Sheave


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3.2.2 Sheave Guard Full Cover Installation

NOTE: The following Figures do not show machines with installed lubricators.

1. Keeping hardware fastened but loose, and prior to mounting to machine, attach each wide bracket to the car-side back plate and CWT-side back plate (see Figures 13 and 14).

2. Attach the car-side back plate and CWT-side back plate to the 28 in. upright channels for pedestal machine (see Figure 13). Attach the back car-side back plate and CWT-side back plate to 28 in. upright channel (CWT-side) and to the short arm angle for machine with overhung sheave (see Figure 14).

Figure 13: Car- and CWT-Side Back Plates Installation for Pedestal Machine


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Figure 14: Car- and CWT-Side Back Plates Installation for Machine with Overhung Sheave


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3. Attach the center back plate to the car-side back plate and CWT-side back plate (see Figure 15).

Figure 15: Center Back Plate Installation for Machine with Overhung Sheave (Installation for

Pedestal Machine Is Similar)


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4. Attach two small brackets to the 28 in. uprights for machine with overhung sheave (see Figure 16) or one bracket to the 28 in. upright on the CWT-side and one to the short arm angle on the car-side for pedestal machine (see Figure 17).

5. Attach the car-side front plate and the CWT-side front plate to the small brackets for machine with overhung sheave (see Figure 16).

Figure 16: Small Brackets Installation for Machine with Overhung Sheave

Figure 17: Small Brackets Installation for Pedestal Machine


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6. Attach two wide brackets to the 28 in. uprights and attach the center front plate to the wide brackets and to front CWT- and car-side plates for machine with overhung sheave (see Figure 18).

Figure 18: Center Front Plate Installation for Machine with Overhung Sheave


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7. Attach the car-side front plate and the CWT-side front plate to the small brackets (see Figure 19).

8. For pedestal machine, along the stitched line, detach the bottom part of the center front plate and discard it (see Figure 19).

9. Attach the upper part of the center front plate to the car-side and to the CWT-side front plates (see Figure 19).

Figure 19: Car-Side Front Plate, CWT-Side Front Plate, and Center Front Plate Installation for Pedestal Machine


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10. Attach six top cover mounting brackets (see Figures 20 and 21).

Figure 20: Top Cover Mounting Brackets Installation for Pedestal Machine

Figure 21: Top Cover Mounting Brackets Installation for Machine with Overhung Sheave


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11. Install the top cover (see Figures 22 and 23).

Figure 22: Top Cover Installation for Pedestal Machine

Figure 23: Top Cover Installation for Machine with Overhung Sheave


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Figure 24: Pedestal Machine with Installed Sheave Guard (shown w/o lubricator)


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Figure 25: Machine with Overhung Sheave with Installed Sheave Guard

(shown w/o lubricator)


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Appendix A: Part Numbers

Table 3 lists all part numbers this document mentions.

Table 3: Related Part Numbers

Part Number Description

AAA384ALD3-UNITEC Full Cover Sheave Guard Assembly Kit (w/o lubricator or shelf)

AAA508AH1 Lubricator (optional; order only for replacement purposes) 3 in. Long AAA508AH2 Lubricator (optional; order only for replacement purposes) 5 in. Long AAA508AH3 Lubricator (optional; order only for replacement purposes) 7 in. Long AAA508AH4 Lubricator (optional; order only for replacement purposes) 9 in. Long AAA488M3 Wick Felt (order only for replacement purposes) 2.8 in. wide AAA488M4 Wick Felt (order only for replacement purposes) 6.8 in. wide AAA488M5 Wick Felt (order only for replacement purposes) 8.8 in. wide

AAA386LEH1 Lubricator Bracket (optional) VP-419750 Wire Rope Lubricant # 60, 1 Gallon Can

#1 (19BT), #2 (27BT), 17CT, and 22CT Geared Machine … … · it may be installed on machines...

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