Machine Maintenance: 4-2
OPERATIONAL MAINTENANCE
Daily Maintenance
Check the engine oil level. Add oil if needed.
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Check the high pressure pump oil. Add oil if needed.•
Inspect and clean the recovery tank lters.•
Inspect and clean the orices and lters.•
Inspect and clean the garden hose screen.•
Inspect the truckmount for water and oil leaks, loose electrical connections, etc. and •
repair as needed.
Lubricate the blower with HydraMaster-recommended spray lubricant. •
Weekly Maintenance
Inspect the recovery tank lters for tears, holes, etc. Repair or replace as needed.
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Inspect the vacuum relief valve. Clean and lubricate as necessary.•
Clean the recovery tank thoroughly with pressure washer.•
Check the oil level in the blower. Add oil if needed.•
Check the pump drive belt for wear and proper tension. Tighten as needed.•
Check all the hoses and wiring for wear and chang. Secure as needed.•
Flush the water and chemical systems with solution of equal parts white vinegar and •
water.
Check all the nuts and bolts. Tighten as needed.
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One time change of the high pressure pump oil after 50 hours of operation. (Every 500 •
hours thereafter.)
One time change of the engine oil after 8 hours of operation.
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Change the engine oil every 50 hours. (Every 25 hours if operating in high ambient •
temperatures.) Change oil lter every other oil change.
Monthly Maintenance
Check the engine air lter. Clean or replace as necessary.
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Check the water level in battery. Fill as needed.•
Clean the battery terminals as needed.•
Quarterly Maintenance
Check the fuel lines. Repair or replace as needed.
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Clean and gap the spark plugs to 0.030 in (0.76 mm). Replace if excessive carbon •
buildup is visible.
Check the coupler element (rubber insert) for cracks or wear. Replace as necessary.
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Change the blower oil after rst 100 hours of use.•