CAB AR 2429689 - Caterpillar

Disassembly Procedure
Illustration 1 g03539098
(1) Head (2) Housing (3) Alignment mark
Mark head (1) and housing (2) for alignment during reassembly.
Illustration 2 g03539105
(1) Head (4) Bolts
Remove bolts (4) and lift head (1) to remove.
Illustration 3 g03539106
(1) Head (5) Balance plate (6) Needle bearing inner race (7) Snap ring (8) Flat-head screwdriver
Remove snap ring (7), needle bearing inner race (6), and balance plate (5) from head (1) .
Insert flat-head screwdriver (8) into an opening between needle bearing inner race (6) and balance plate (5) to pull the inner race up.Note: If screwdriver (8) does not fit under inner race (6), use the screwdriver between balance plate (5) and head (1) to push the inner race up. Do not scratch or deform the sliding surface of balance plate (5) .
Illustration 4 g03537664
(1) Head (5) Balance plate (6) Needle bearing inner race (D) Gear puller
Use appropriate gear puller (D) to remove inner race (6) from head (1) .
Illustration 5 g03539111
(1) Head (10) Bushings (11) Rings (12) Belleville spring
Remove bushings (10) and rings (11) from head (1). Leave Belleville springs (12) in the head during disassembly.Installation Procedure
Illustration 6 g03539116
(A) 444-2033 Bushing (B) 099-0331 Ring (1) Head (12) Belleville spring
Install new 099-0331 Ring (B) onto new 444-2033 Bushing (A). Install bushing (A) with ring (B) into the bushing hole on head (1) .
Illustration 7 g03539137
Balance plate installation for 311D (13) Relief valve port (14) V-groove (15) Round-groove
Illustration 8 g03539138
Balance plate installation for 312D, 312E, 313D, and 314D (13) Relief valve port (14) V-groove (15) Round-groove
Install balance plate (5) on head (1). Refer to Illustrations 7 and 8 for the direction of installation of balance plate (5) .
Illustration 9 g03539149
(1) Head (6) Needle bearing inner race (7) Snap ring (16) Head shaft
Install inner race (6) on head shaft (16). Install snap ring (7) on top of head shaft (16) .
Illustration 10 g03535058
(1) Head (2) Housing (3) Alignment mark (C) 6F-4718 O-Ring Seal
Clean the mating surface of head (1) and housing (2). Install new 6F-4718 O-Ring Seal (C) on the head.Install head (1) on housing (2). Make sure to align mark (3) created during dis-assembly.
Install bolts (4) in the head. Tighten the bolts to a torque of 160 16 N m (118 12 lb ft)