CRANKSHAFT 8M4802 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 439-3938 Link Brackets 2
B 1U-9200 Lever Puller Hoist Gp 1
386-6031(1) Lever Puller Hoist Gp 1
C 417-1324 Jack Stand Gp 1
(1) This part number complies with European requirementsStart By:
Separate the track.
Illustration 1 g06031926
Typical Example
Remove three bolts (1) and scraper (2). Repeat for the opposite side of the idler assembly.
Illustration 2 g06031948
Typical Example
Remove bolts (3) and cover (4). Repeat for the opposite side of the idler assembly.
Illustration 3 g06031952
Typical Example
Connect Tooling (A) and a suitable lifting device to idler assembly (5). The weight of idler assembly (5) is approximately 163 kg (360 lb).
Illustration 4 g06031958
Typical Example
Slide idler assembly (5) out from the track roller frame and connect Tooling (B) to idler assembly (5).
Remove idler assembly (5).
Illustration 5 g06032070
Position idler assembly (5) onto Tooling (C) and suitable cribbing.
Illustration 6 g06032293
Typical Example
Attach Tooling (A), Tooling (B), and a suitable lifting device to yoke assembly (6). The weight of yoke assembly (6) is approximately 32 kg (70 lb). Remove bolts (7) and yoke assembly (6).Installation Procedure
Install idler assembly (5) in the reverse order of removal.
The idler block centerline and the shaft bore centerline are offset. Refer to Operation and Maintenance Manual, SEBU9352, "Front Idler Position - Check/Adjust" for the appropriate centerline adjustments.