HARNESS AS-ENGINE 2400221 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     8S-7611     Tube Assembly     2    
8S-7615 Pin     2    
8S-7640 Stand Group     2    
B     183-4797     Track Roller Lifting Fork     1    Note: There is a track guide on each side of the machine. The procedure which follows is for the removal of the track roller with the track guide.
Start the engine. Park the machine on a hard, level surface. Stop the engine.
Personal injury or death can result from grease and oil coming out of the relief valve.Grease and oil are under high pressure coming out of the relief valve and can penetrate the body.Do not watch the relief valve to see if grease is escaping. Watch the track or track adjustment cylinder to see if the track is being loosened. Make sure the vent holes are clean before the tension is released on the track.
Illustration 1 g00555715
Release the tension on the track. Loosen relief valve (1) by one turn only. If the track does not loosen, move the machine forward and backward until the tension is released.
Illustration 2 g00489826
Note: Adjust the height of Tooling (A) in order to have sufficient clearance for the removal of the track rollers when Tooling (A) is installed under the undercarriage frame assembly of the machine.
Lift the side of the machine. Install Tooling (A) under the undercarriage frame assembly, as shown.
Illustration 3 g00489828
Loosen the four bolts that hold track guide (1) to the undercarriage frame assembly. Note: Do not remove the bolts at this time.
Illustration 4 g00489833
Fasten a hoist to Tooling (B) . Put Tooling (B) in position under track guide (1) , as shown. Remove the bolts that secure the track guide. Remove the track guide.
Illustration 5 g00489835
Remove the rock guards from the undercarriage frame assembly, if equipped.
Illustration 6 g00489838
Loosen the four bolts that secure track roller (2) to the undercarriage frame assembly. Note: Do not remove the bolts at this time.
Fasten a suitable lifting device to Tooling (B) . Put Tool (B) in position under track roller (2) , as shown. Remove the bolts that secure the track roller. Remove the track roller. The weight of track roller (2) is approximately 91 kg (200 lb).