CONTROL GP-ELECTRONIC 2907906 - Caterpillar

Disassembly Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     1P-2321     Combination Puller     1    
B     1P-1861     Retaining Ring Pliers     1    
C     1P-0510     Driver Group     1    Start By:
Remove the water pump. Refer to Disassembly and Assembly, "Water Pump - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Always wear protective gloves when handling parts that have been heated.
Note: If the water pump is heated up to 80 °C (176 °F), the components can be easily removed.
Illustration 1 g00610108
Remove four bolts (1) and the washers that secure the water pump pulley to the water pump.
Remove water pump pulley (2) from the water pump.Note: Check the groove for the V-belt of the water pump pulley for wear and damage. Replace the water pump pulley, if necessary.Note: Use Tool (C) during disassembly procedures of the water pump, which require the use of a press or a hammer.
Illustration 2 g00610120
Use Tool (A) to remove flange (3) from the water pump.
Illustration 3 g00610127
Use Tool (B) to remove retaining ring (4) from the water pump.
Illustration 4 g00610140
Use a press and Tool (C) to remove shaft assembly (5) from water pump assembly (6) .
Illustration 5 g00813948
Remove impeller (8) from the shaft assembly (5) .Note: Check the impeller for wear, corrosion, and metal to metal contact. Replace the impeller, if necessary.
Remove the following items from shaft (9) :
Bearing (10)
Spacer (11)
Bearing (12)
Washer (13)
Once all of the components have been removed, then check shaft (9) for distortion. Replace the shaft, if necessary.
Check seal (14) for wear and damage. Use Tool (C) in order to remove the seal from the water pump housing, if necessary.Note: Replace the seal if any signs of leakage occurs during the operation of the water pump.
Replace O-ring (7) with a new O-ring.