RING (LARGE) 5L8870 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-2320 Combination Puller 1
8B-7560 Step Plate 1
B 8S-2264 Puller Group 1
- 5/16 inch Bolt
18 NC
76.2 mm (3 inch) length 2
4B-5270 Washer (5/16 inch) 2
C 136-1452 Retaining Ring Pliers As 1
D 152-7159 Socket As (Water Pump Shaft) 1
E 1U-7600 Slide Hammer Puller 1
F 1P-0074 Slide Hammer Puller 1 Start By:
Remove the auxiliary water pump. Refer to Disassembly and Assembly, "Auxiliary Water Pump - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00603001
Illustration 2 g00603003
Loosen bolt (2) by approximately 3.0 mm (0.12 inch). Use Tooling (A) in order to pull gear (1) from the shaft. Remove Tooling (A), bolt (2), the washer, and gear (1) from the end of the shaft.
Illustration 3 g00690875
Remove clamp (3).
Illustration 4 g00603007
Remove body (4). Remove port plate (5) from the body. Note: Be careful not to damage the threads of the nut and/or the shaft when you remove the cotter pin. Be sure that all of the cotter pin is completely removed before you remove the nut.
Illustration 5 g00690890
Remove the cotter pin. Remove nut (6) and the washer from the shaft.
Illustration 6 g00603009
Use Tooling (B) in order to remove impeller (7) from the shaft.
Illustration 7 g01058029
Remove key (8A). Remove shims (8), O-ring seal (9), and ring (10).
Illustration 8 g00603011Note: It may be necessary to clean the inside of the body before the port plate can be removed.
Remove port plate (11) and spacer (12) from the drive housing. Note: The ceramic seal has two sections. One section is stationary and one section rotates. Do not remove the ceramic seal unless it is necessary. The ceramic seal can be easily damaged.
Lubricate the shaft and the rotating section of ceramic seal (13) with a solution of water and five percent soap. Carefully pry the rotating section of the seal away from the drive housing. Remove the rotating section of the seal from the shaft.
Illustration 9 g00603013
Remove bolts (14) that hold drive housing (15) to bearing housing (16). Separate the drive housing from the bearing housing.
Illustration 10 g00690951
Use a suitable press in order to remove the stationary section of the ceramic seal from drive housing (15).
Illustration 11 g00690988
Use an allen wrench to loosen the screws that hold ring (17) to the shaft. Remove the ring.
Illustration 12 g01057040
Remove O-ring seal (19) and collar (18).
Illustration 13 g01057042
Place the bearing housing in a vise. Use Tooling (C) in order to remove retaining ring (20).
Do not allow the shaft to fall when the shaft is removed from the bearing housing.
Illustration 14 g01057043
Place bearing housing (16) and shaft (21) in a press. Orient the impeller end of the shaft in the upward position. Press the shaft out of the bearing housing.
Illustration 15 g01057045
Place shaft (21) in a vise. Orient the driven end of the shaft in the upward position. Pry the tab of lock ring (23) out of the slot in nut (22).
Illustration 16 g01057048
Illustration 17 g01057051
Use Tooling (D) in order to remove nut (22) from shaft (21). Remove lock ring