PERIODIC MAINTENANCE 2-15
WATER PUMP/WATER PUMP IMPELLER
Inspect water pump case and under panel.
Replace if wear, cracks, distortion or corrosion is found.
Inspect water pump impeller.
Replace if vanes are cut, torn or worn.
PROPELLER/NUT/PIN
• Inspect propeller for bent, chipped or broken blades.
Replace propeller if damage noticeably affects operation.
• Inspect propeller splines. Replace propeller if splines are
worn, damaged or twisted.
• Inspect propeller bush for slippage.
Replace if necessary.
• Make sure that propeller nut is torqued to specification and
cotter pin is installed securely.
WATER PUMP
Inspect every 200 hours (12 months).
WATER PUMP IMPELLER
Replace every 200 hours (12 months).
Inspect initially after 20 hours (1 month) and every
100 hours (6 months).
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