Maintenances Schedule

MAINTENANCE SCHEDULES FOR BG COACHES OF ICF DESIGN

SL N0Maintenance Schedules

ParticularsPrimary/ secondary/ examinationABIOH

Frequency of Examination1 Month 3 days3 Month 7 days9 Month + 30 / - 0 days

Maintenance to be done atOn RakeOn rake at nominated Primary DepotOn rake at nominated Primary DepotSick line at nominated Primary Depot

1.0Under frame

1.1Visually examine centre pivot mounting bolts and attend if neededyesyesyesyes

1.2Check condition of head stock/sole baryesyesyesyes

1.3Examine through floor, turn under and other under frame members from underneath for corrosion.--yesyes

1.4Visually inspect centre pivot cover.yesyesyesyes

2.0Bogie

2.1Bogie frame----

2.1.1Examine visually the condition of bogie side frame, transom, longitudinal and all welded locationsyesyesyesyes

2.1.2Examine rubber stopper/stop screw of axle box crown for damage/broken/missingyesyesyesyes

2.1.3Inspect axle box safety straps/loops for damage/broken/missing.yesyesyesyes

2.1.4Bolster safety straps/loops for damage/broken/missing.yesyesyesyes

2.1.5Brake hanger brackets for damagesyesyesyesyes

2.1.6Inspect safety brackets for brake hanger pinsyesyesyesyes

2.1.8Examine oil level inside bearer oil-bath and oil filling cap. Replenish oil if needed.-yesyesyes

2.1.9Check visually BBS hanger brackets yesyesyesyes

21.10Examine visually anchor link brackets yesyesyesyes

2.1.11Examine condition of wearing piece and wearing plateyesyesyesyes



Frequency of Examination-1 Month 3 days3 Month 7 days9 Month + 30 / - 0 days


2.2PRIMARY SUSPENSION

2.2.1Visually examine axle box springs for breakageyesyesyesyes

2.2.2Visually examine dash pot oil filling special screw for deficiency.yesyesyesyes

2.2.3aCheck oil leakages in dash pot through defective seals/vent screws.yesyesyesyes

2.2.3bAdd specified grade of oil in dash pot-yesyesyes

2.2.4Visually examine axle box clearanceyesyesyesyes

2.2.5Check and attend axle guide assembly if necessary ---------yes

2.2.6Check axle box clearance with gauge---------yes

2.3SECONDARY SUSPENSION

2.3.1Visually examine bolster springs breakages/damagesyesyesyesyes

2.3.2Visually examine Bolster lower spring beamyesyesyesyes

2.3.3Visually examine BBS hanger, hanger blocks, BBS pins-yesyesyes

2.3.4Check bolster clearanceyesyesyesyes

2.3.5Visually examine equalizing stay rods and pins (small and big)yesyesyesyes





2.3.6Visually examine anchor linksyesyesyesyes

2.3.7Examine visually he anchor link securing bolts and attend if neededyesyesyesyes

2.3.8Visually examine Equalizing stay brackets yesyesyesyes

2.3.9Examine and attend safety loops of bolsteryesyesyesyes

2.3.10Check and attend safety loops of Equalizing stay rodyesyesyesyes

2.3.11Examine vertical shock absorbers for damages.yesyesyesyes

2.4Brake rigging

2.4.1Check brake gear and adjust so that the piston stroke is within the limityesyesyesyes

2.4.2Examine brake beams breakages/damagesyesyesyesyes

2.4.3Check and attend brake beam safety wire ropes/safety strapsyesyesyesyes

2.4.4Check and attend brake shoe head and key & replace if necessaryyesyesyesyes

2.4.5Check and replace worn brake blocks yesyesyesyes

2.4.6Visually inspect brake hangers, brake gear pins and cotters/split pins and replace I necessary.yesyesyesyes

2.4.7Visually inspect damaged/missing brake gear bushes and replace if necessaryyesyesyesyes





2.4.8Check and attend brake block adjuster-yesyesyes

2.4.9Examine and attend brake block adjuster-yesyesyes

2.4.10Examine and attend floating lever suspension brackets-yesyesyes

2.4.11Examine lever hanger pins.yesyesyesyes

2.5During IOH bogies to be run out and replaced with overhauled bogies for M/E coaches. For passenger coaches, bogie to be overhauled and wheel to be replaced on condition basis. For new coaches, bogies to be overhauled and wheel sets to be changed.---Yes

3.0BRAKE SYSTEM----

3.1AIR BRAKE SYSTEM----

3.1.1Conduct brake test as per rake test and attend leakages and defective components If any.yesyesyesyes

3.1.2Visually inspect or damage on brake pipe, feed pipe and hose coupling yesyesyesyes

3.1.3Visually inspect suspension bracket for air brake equipments and anti pilferage device for any defect and rectify.yesyesyesyes

3.1.4Check passenger alarm by pulling the chain with spring balance with 6.4 kg to 10 kg force.Minimum 3 coachesyesyesyes

3.1.5Carry out manual brake release test to ensure proper function of release leveryesyesyesyes

3.1.6Check and adjust brake gear to achieve correct piston stroke.yesyesyesyes





3.1.7Service application, release test of every coach of the rake to ensure full brake power.yesyesyesyes

3.1.8Carry out guard van valve test to ensure proper functioning of guard van valve.yesyesyesyes

4.0DRAW GEAR----

4.1Check and replace damage/missing split pins/cotters/rivetsyesyesyesyes

4.2Examine draw hook, draw bars, rubber pads for damagesyesyesyesyes

4.3Check condition of the screw coupling and its components and replaced if required.yesyesyesyes

4.4Ensure that wear on screw coupling shackle pins, trunion pins, shackle/link holes and draw hook holes should not exceed 3mm.---yes

4.5Ensure that wear at any section on draw hook should not exceed 10mm.---yes

4.6Check condition of draw beam and locating pins on it.yesyesyesyes

4.7Examine visually draft key locking pins.yesyesyesyes

5.0BUFFING GEAR

5.1 aVisually examine buffer plungers for damage/drooping/stroke length.yesyesyesyes

5.1 bEnsure the length is within 584-635 mm.---yes

5.2Inspect buffer plunger false plate or wear and profile.---yes





5.3Examine buffer mounting bolts and attend if necessary yesyesyesyes

5.4Examine Visually buffer casing for cracks/damages.yesyesyesYes

6.0Running gear

6.1Examine visually axle box for grease oozing out , warm box if any.yesyesyesYes

6.2Visually examine wheel tyre profile and thickness of tyre and check with tyre profile gauge if they appear to be near condemning limit.yesyesyesYes

6.3Visually inspect the axle box covers.yesyesyesYes

6.4Check the wheel distance gauge for the loose or tight wheel (IOH)---Yes

6.5Inspect the wheel tread for shattered rim, spread rim, shelled tread, thermal cracks, heat checks.yesyesyesYes

6.6Examine axle pulley on the wheels.---Yes

Maintenances Schedule

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