In addition to the 1500Hrs. Inspection complete the following.
Replace all sliders
• Remove tracks from top of crawler frame.
• Clean top of crawler frame and replace all sliders.
Parts Required
Front Slider Part# R82256F1
Rear Sliders Part# R82256F2
Front Idlers
- Remove front idler.
- Once Idler is removed remove Brass Bushings.
- Inspect sleeves in Idler I.D. 13.5100”
- Install new bushings if the Idler sleeves are within spec.
- Inspect front idler shaft.
- Re-install front idler in crawler frame.
- Purge front idlers with grease before returning to service.
Exchange idlers available if needed.
Parts Required
Bushing Part# R48425D1 Qty-4
V-Ring Seal Part# 18Z3344D9 Qty-4
Retainer Pin Part# 19F73D88 Qty-4
Cotter Pin Part# 2203V135 Qty-8
Load Rollers
- Measure and record load roller O.D.
- New 31″
- Measure load and record load roller bushings I.D.
- New 8.514″
- Replace load roller thrust washers & bushings
- Swap Load Rollers 1&2 with 3&4 and 5&6 with 7&8
- Purge load rollers with grease before returning to service.
Parts Required
Load Roller bushing Part# R86824D1 Qty-16
Load Roller thrust washer Part# R86827D1 Qty-32
Load Roller Pin Retainer Part# 18H3892D103 Qty-16
Rear Idlers
- Measure and record O.D.
- New 41″
- Measure and record bushing.
- New 11.034″
- Replace Bushings if required
- Replace Rear Idler Thrust washers
- Purge rear idler with grease before returning to service.
Parts Required
Thrust Washer R54777D1 Qty-4
Rear Idler Bushing R32311D1 Qty-4
Structural Repairs
- Inspect lower rails for damage and cracking
- Build up inner rail faces and machine.
(Grind flat if machining equipment is not available.)
Trim Drive Lugs on Crawler Shoes
- Trim drive lugs using gauge
- Gage Part# R52894D1
Trim Toe Nails on Crawler Shoes
Gage Part# R52708D1
Gage Part# R63379D1
Gage Part# R63379D1
Final Drive
- Inspect drive sprocket for damage and abnormal wear.
- Check between crawler frame and drive sprocket for visible signs of lube.
- Check Propel transmission oil level.
- Inspect the propel shaft and output seal on the transmission for leaks. From the inside of the crawler frame.
NOTE: Confined Space Required.
- Trim flow material from final drive tumblers.
