BASE-VALVE MECHANISM COVER 2861379 - Caterpillar

Illustration 6 g00288396
Assemble the spring assembly. Install rod assembly (47), retainer (45), spring (46), and guide bushing (44).
Illustration 7 g00288375
Attach Tool (A) to spring assembly (43), as shown. Slowly compress spring assembly (43). Use Tool (A) to install the spring assembly on the shaft as a unit.
Repeat Steps 7 and 8 for the spring assembly on the other side of the suspension arm.
Illustration 8 g00288372
Illustration 9 g00288371Note: Apply Tooling (B) to the roller shafts before installation.
Install retaining rings (42) and (38), washers (41), (39) and (37), and rollers (40). Install roller assembly (35) on each side of suspension arm (36). Make sure that the rollers do not bind.
Illustration 10 g00288370
Install two springs (26) and plastic bearings (32) on height adjustment shaft (34). Install retaining ring (33) on each side of height adjustment shaft (34).
Illustration 11 g00288369
Install nut (28), weight adjustment screw (29), two races, the thrust bearing, weight adjustment knob (31) and pin (30). Turn weight adjustment knob (25) in the positive (+) direction to apply tension to springs (26). Install pin (27) in the end of weight adjustment screw (29).
Illustration 12 g00288368Note: During removal of the wire cable, the wire cable will be cut. The wire cable will not be reusable. A new wire cable must be installed during assembly of the mechanical suspension.
Install variable damper (20), retainer (24), two bearings (25), bracket (23) and arm (22). Install new adjustable bracket (21). Install the pin in arm (22). Install a new wire cable in the variable damper. Connect wire cable (16) to bracket (23).Note: Adjustable bracket (21) must be replaced. The bracket will be damaged during the removal procedure.
Illustration 13 g00288367Note: Apply Tooling (B) to the roller shafts before installation.
Install four rollers (19), two tether belts (18) and four bearings (17). Make sure that the rollers do not bind.
Illustration 14 g00288365
Install scissor assembly (13) on upper housing (14).
Illustration 15 g00288364
Slide wire cable (16) into upper housing (14). Install the upper shaft assembly. Install locknut (15) on the upper shaft assembly.
Illustration 16 g00288363
Install the tie-wraps to hold the adjustable cable to upper housing (14). Tilt the lower housing forward and slide the lower housing onto scissor assembly (13) and onto upper housing (14).
Illustration 17 g00288362
Install the lower shaft assembly. Install locknut (11).
Illustration 18 g00288361
Install ball (9), spring (8), and knob (7). Install pin (10).
Illustration 19 g00288360
Install two retainers (1) and boot (6).
Install two brackets (4), the locknuts on two brackets (4), the washers, two bolts (5) and four bolts (2). Tighten the bolts to a torque of 25 6 N m (18 4 lb ft). Install four slider blocks (3).