CLOSED COOLED (FRESH WATER) MODELS
SERVICE MANUAL NUMBER 23
90-861326--1 MARCH 1999 Page 6B-9
5. Using a cooling system pressure tester (similar to one shown), test cap to be sure that
it releases at proper pressure and does not leak. (Refer to instructions which accompa-
ny tester for correct test procedure.) Cap must relieve pressure at 16 PSI (110 kPa), and
must hold rated pressure for 30 seconds without going below 11 PSI. Replace cap if it
fails to fall within these limits.
72716
IMPORTANT: Before reinstalling cap in next step, examine lower inside sealing sur-
face in filler neck to ensure that it is perfectly smooth and free of debris. Also, inspect
cam lock flanges on sides of filler neck to be sure that they are not bent.
72715
a
b
a-Inspect For Damage
b-Cam Lock Flange
6. Reinstall cap on reservoir or heat exchanger.
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