COLUMN 3C8396 - Caterpillar

Removal Procedure
Drain the coolant from the cooling system into a suitable container for storage or disposal until the coolant is below the level of the water temperature regulator housing. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".
Illustration 1 g01186856
Remove bolts (2) from cover (1) .
Illustration 2 g01186861
Remove cover (1). Remove O-ring seal (4) from cover (1). Remove water temperature regulators (5) from water temperature regulator housing (3) .
If necessary, remove the lip seals.Installation Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     221-8647     Seal Installer Gp     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
If necessary, use Tooling (A) to install the lip seals.
Illustration 3 g01186861
Install water temperature regulators (5) in water temperature regulator housing (3) .
Install new O-ring seal (4) in cover (1) .
Illustration 4 g01186856
Position cover (1) on housing (3).
Install bolts (2) .
Fill the cooling system. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".