SHIM 0992207 - Caterpillar

Remove piston seal (5).
Illustration 5 g06147496Note: Mark position of ring bearing (6) for installation purposes before removal.
Remove ring bearing (6).
Illustration 6 g06147493
Use a suitable tool to rotate worm shaft (7) in CCW direction during the removal.
Illustration 7 g06147491
Remove worm shaft (7).
Illustration 8 g06128844Note: Mark position of ring bearing (8) for installation purposes before removal.
Remove ring bearing (8) and sleeve bearing (9) from hydraulic rotator (10).
Illustration 9 g06128845
Remove sleeve bearing (11) from hydraulic rotator (10).
Illustration 10 g06154009
Remove two bolts (12), grease fitting (16), position sensor (15), plug (14), and plate (13).
Illustration 11 g06128847
Remove O-ring seal (17) from plate (13).
Illustration 12 g06128798Note: Mark position of seal (18) for installation purposes before removal.
Remove seal (18).
Illustration 13 g06128802
Remove indicator screw (20) and bolts (19).
Illustration 14 g06147479
Illustration 15 g06147472Note: Mark position of housing (10) and adapter (21) for installation purposes before removal.
Install the bolts and use Tooling (B) to hit on the bolts to loosen adapter (21) as shown in illustration 14.
Attach a suitable lifting device to housing (10). The weight of housing (10) is approximately 110 kg (243 lb). Lift housing (10) and remove adapter (21).
Illustration 16 g06135269Note: Mark position of worm wheel (22) for installation purposes before removal.
Use Tooling (A) and a suitable lifting device to worm wheel (22).The weight of worm wheel (22) is approximately 38 kg (84 lb). Remove worm wheel (22).
Illustration 17 g06147471
Remove seal (23).
Illustration 18 g06128815
Remove O-ring seal (24), sleeve bearing (25), ring bearing (26) from adapter (21).
Illustration 19 g06147478
Remove six dowel pins (27) from adapter (21).