Centinel System – Repair Manual – 008-009   Coolant Filter Valve

Drain the coolant. Refer to Procedure 008-018.

Remove the coolant valve retaining capscrew and large flat washer.

Remove the coolant filter valve and o-ring.

WARNING  Use skin and eye protection when handling caustic solutions to reduce the possibility of personal injury.

Clean the coolant filter valve and valve bore in the water inlet connection with a filter brush and solvent.

Inspect the valve for corrosion or other damage. Replace if necessary.

Install a new o-ring onto the valve.

Install the valve into the water inlet connection.

Install the retaining capscrew and flat washer. Make sure the flat washer fits in the notch in the valve.

While pushing the flat washer into the groove, tighten the retaining capscrew.

Turn the valve to the ON position.

Fill the cooling system. Refer to Procedure 008-018.

Operate engine and check for leaks.