BREATHER 0850166 - Caterpillar

Disassembly Procedure
Table 1
Required Tools    
Tools    Part Number    Part Description    Qty    
A     1P-1857     Retaining Ring Pliers     1    
B     9S-9152     Bearing Puller Gp     1    Start By:
Remove the gear motor (vibratory). Refer to Disassembly and Assembly, "Gear Motor (Vibratory) - Remove".Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
Illustration 1 g01445915
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Remove plug (5), spring (4), and ball (3) from housing (2) .
Repeat Step 1 on screw (1) .
Illustration 2 g01445918
Mark the orientation of cover (6) and housing (2). Remove bolts (7) and carefully separate cover (6) from housing (2) .
Illustration 3 g01445919
Remove driven gear (11) and drive gear (8) from cover (6) .
Remove dowel pins (9) and (10) from cover (6) .
Illustration 4 g01445921
Remove gasket (12) from cover (6). Remove bearings (13) from cover (6), if necessary.
Illustration 5 g01445922
Illustration 6 g01445925
Remove woodruff key (14) from shaft (15). Use Tooling (A) to remove retaining ring (16) .
Use a suitable press to remove shaft (15) from housing (2) .
Illustration 7 g01445927
Remove shaft seal (19) and spacer (18) from shaft (15) .
Use Tooling (B) in order to remove bearing (17) from shaft (15) .
Illustration 8 g01445928
Remove needle bearings (20) from housing (2), if necessary.