GEAR 7D2625 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tooling Part Number Description Qty
A 8B-7548 Push-Puller Tool 1
8H-0684 Ratchet Wrench 1
8H-0663 Bearing Puller Gp 1
8B-7560 Step Plate 1
- Bolt (3/8 in. -16 NC X 2 3/4 in. long) 1
B 136-145 Retaining Ring Pliers 1
C 1P-0510 Driver Gp 1 Start By:
Remove the water pump. Refer to Disassembly and Assembly, "Water Pump - Remove".
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00991964
Remove cover (3) and the gasket from water pump (1).
Remove elbow (2) and the gasket from water pump (1).
Illustration 2 g00991975
Loosen bolt (5) by 6.35 mm (0.250 inch). Tap the bolt with a soft hammer in order to remove impeller (4) from the shaft.
Illustration 3 g00991979
Remove the spring and seal assembly (7) from shaft (6).
Illustration 4 g00991986
Turn over the water pump and remove bolt (8) and the lockwasher.
Remove O-ring seal (9) from the housing.
Illustration 5 g00991989
Use Tooling (A) to remove gear (11) and bearing (10) from the water pump.
Remove bearing (10) from gear (11).
Illustration 6 g00991998
Remove snap ring (12) with Tool (B).
Illustration 7 g00992001
Remove bearing (13) and shaft (6) as a unit.
Illustration 8 g00992003
Use Tooling (A) and a press in order to remove bearing (13) from the shaft.
Illustration 9 g00992011
Remove the ceramic ring and seal (14) from the housing.