CONTROL GP-JOYSTICK 4508231 - Caterpillar

Removal Procedure
Personal injury can result from hot coolant, steam and alkali.At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.Remove cooling system pressure cap slowly to relieve pressure only when engine is stopped and cooling system pressure cap is cool enough to touch with your bare hand.Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns.Cooling System Coolant Additive contains alkali. Avoid contact with skin and eyes.
Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedures.
Illustration 1 g01308535
Position a suitable container under plug (3) for proper storage or disposal. Remove plug (3). Allow coolant to drain.
Loosen clamp (1). Remove bolts (2). Remove elbow (4).
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Remove bolts (5).
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Disconnect hose assembly (6). Remove bolts (7). Remove housing assembly (8).
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Remove water temperature regulators (9). Remove O-ring seals (10).
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Remove seals (11). Installation Procedure
Install water temperature regulators (9) in the reverse order of removal.