IMPELLER 2128185 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Guide Bolt
M24 X 2 by 200 mm 2
B 138-7575 Link Bracket 3
C 189-0408 Shackle As 1
D 1U-9200 Lever Puller Hoist 1
Illustration 1 g01202285
Illustration 2 g01202287
Remove two bolts (1) from flywheel (2). Install Tooling (A).
Illustration 3 g01202288
Install Tooling (B), Tooling (C), and Tooling (D) in order to support the weight of flywheel (2). The weight of flywheel (2) is approximately 177 kg (390 lb). Remove remaining bolts (1). Remove spacer (3). Slide flywheel (2) on Tooling (A). Remove flywheel (2). Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A - Guide Bolt
M24 X 2 by 200 mm 2
B 138-7575 Link Bracket 3
C 189-0408 Shackle As 1
D 1U-9200 Lever Puller Hoist 1
Inspect the condition of the ring gear. Use the following procedure in order to replace the ring gear, if necessary.
Remove the damaged ring gear from the flywheel.
Raise the temperature of the new ring gear.
Install the ring gear on the flywheel. Ensure that the chamfer of the gear teeth will be toward the pinion of the starting motor.
Illustration 4 g01202299
Install Tooling (A).
Illustration 5 g01202300
Use Tooling (B), Tooling (C), and Tooling (D) in order to position flywheel (2) onto Tooling (A). The weight of flywheel (2) is approximately 177 kg (390 lb).
Illustration 6 g01202288
Install spacer (3) onto flywheel (2). Lubricate the threads of new bolts (1) with oil. Install new bolts (1). Remove Tooling (B), Tooling (C), and Tooling (D).
Illustration 7 g01202287
Remove Tooling (A) and install remaining new bolts (1). Tighten bolts (1) to a torque of 550 50 N m (406 37 lb ft). Tighten bolts (1) for an additional 85 to 95 degrees.