MAINTENANCE SERVICE MANUAL NUMBER 22
Page 1B-32 90-860074--1 FEBRUARY 2002
Filling
1. Slowly fill with coolant through heat exchanger fill neck.
2. Continue filling until coolant level is at bottom of fill neck.
CAUTION
Overheating from insufficient cooling water will cause engine and drive system
damage. Ensure that there is sufficient water always available at water inlet during
operation.
3. Supply cooling water to water inlet.
4. With the pressure cap off, start the engine and run at fast idle (1500-1800 rpm). Add
coolant to heat exchanger, as required, to maintain coolant level 1 in. (25 mm) below
fill neck.
5. After engine has reached normal operating temperature (thermostats are fully open),
and coolant level remains constant, fill heat exchanger to bottom of fill neck.
6. Install pressure cap.
7. Observe engine temperature gauge to make sure that engine operating temperature is
normal. If gauge indicates excessive temperature, stop engine immediately and
examine for cause.
8. Remove cap from coolant recovery bottle and fill to a level between the ADD and FULL
marks with coolant solution. Reinstall cap.
9. With engine still operating, check hose connections, fittings and gaskets for leaks.
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