SHIM 1900966 - Caterpillar

Remove scissor assembly (8) from lower housing (11). Lift the scissor assembly and slide the scissor assembly out of slider track (12).
Illustration 9 g00288340
Remove four rollers (14) and two tether belts (13).
Illustration 10 g00288343
Remove four bearings (16). Remove retainer (17), two bearings (15) and (19), and damper (18).
Illustration 11 g00288344
Remove pin (21) from the end of weight adjustment screw (22). Turn weight adjustment knob (25) in the negative (−) direction in order to relieve the tension on springs (20). Remove pin (24), weight adjustment knob (25), the thrust bearing, two races, weight adjustment screw (22) and nut (23).
Illustration 12 g00288345
Remove retaining ring (27) from each side of height adjustment shaft (28). Remove two springs (20) and plastic bearings (26) from height adjustment shaft (28).
Illustration 13 g00288346
Illustration 14 g00288348
Remove roller assembly (30) from each side of suspension arm (29). Remove retaining rings (32) and (36), washers (31), (33) and (35), and rollers (34).
Illustration 15 g00288349
Illustration 16 g00288350
Attach Tool (A) to spring assembly (37), as shown. Use Tool (A) to remove the spring assembly from the shaft as a unit.
Use Tool (A) to slowly release the compression on spring assembly (37). Disassemble spring assembly (37). Remove guide bushing (38), spring (40), retainer (39) and rod assembly (41).
Repeat Steps 12 and 13 for the spring assembly on the other side of the suspension arm.
Illustration 17 g00288351
Remove spacers (42) and (43) from shaft (28). Remove the shaft and suspension arm (29).
Illustration 18 g00288352
Remove retaining rings (45) and (46). Use a hammer and a punch to remove the pins. Remove cam (44) from suspension arm (29).
Illustration 19 g00288354
Remove retaining ring (50). Use a hammer and a punch to remove the pin. Remove roller (49). Remove retaining ring (47). Use a hammer and a punch to remove the pin. Remove roller (48) and two spacers. Remove spring (52) and arm assembly (51).
Illustration 20 g00288355
Remove the key for the height adjustment lever. (The key is not shown.) Remove handle (53) and height adjustment lever (54).
Illustration 21 g00288356
Remove pin (57) from the bracket. Cut tie-wraps (55). Remove indicator band (56).
Illustration 22 g00288357
Remove four bolts (60), two bolts (59), the washers, and the locknuts from two brackets (58). Remove two brackets (58) from upper housing (7).