High Pressure Fuel Filter; Water Pump / Water Pump Impeller; Propeller / Nut / Cotter Pin - Suzuki DF 90 Service Manual

HIGH PRESSURE FUEL FILTER

Replace every 1000 hours.
SUZUKI recommends that high pressure fuel filter be replaced
every 1000 operating hours.

WATER PUMP / WATER PUMP IMPELLER

WATER PUMP
Inspect every 200 hours (12 months).
Inspect case and under panel.
Replace If wear, cracks, distortion or corrosion is found.
WATER PUMP IMPELLER
Replace every 200 hours (12 months).
Inspect water pump impeller.
Replace if vanes are cut, torn or worn.

PROPELLER / NUT / COTTER PIN

Inspect initially after 20 hours (1 month) and every 100
hours (6 months).
• 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.
PERIODIC MAINTENANCE 2-17