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Maintenance Chart
Perform Pressure Relief Procedure (page 7).
Interval What to do
Daily Clean water inlet screen and filter. Check engine and pump oil levels. Fill as necessary. Check
gasoline level. Fill as necessary.
After first
5 hours of
operation
Change engine break-in oil. Drain oil when warm. Use SAE 30 or 10W–30 detergent oil.
Every 3
months or
25 hours of
operation
Clean and remove air cleaner foam. Wash with water and detergent. Dry thoroughly. Rub with
oil, and squeeze to distribute oil.
Every 6
months or
50 hours of
operation
Change engine oil. Use approved SAE30 or 10W30 detergent oil.
After every
100 hours of
operation, or
every 3 months
Check/adjust spark plug and idle speed. Clean fuel tank and filter..
NOTE: It is not necessary to change pump oil during the life of the pump. If pump oil is drained for repair, use part
number 117784 replacement oil only.