Machine Maintenance: 5-2
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.
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Check the oil level in the blower. Add oil if needed.
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Inspect and clean orifice and filters.
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Inspect and clean the recovery tank filters.
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Inspect and clean the garden hose screen.
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Inspect the truckmount for water and oil leaks, loose electrical connections, etc. and
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repair as needed.
lubricate the blower with a HydraMaster-recommended lubricant.
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Weekly Maintenance
Inspect the recovery tank filters for tears, holes, etc. Repair or replace as needed.
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Inspect the vacuum relief valve. Clean and lubricate as necessary.
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Clean the recovery tank thoroughly with pressure washer.
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Check the pump drive for wear and proper tension. Adjust as needed.
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Check all the hoses and wiring for wear and chafing. Secure as needed.
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flush the water and chemical systems with solution of equal parts white vinegar and
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water.
Check all the nuts and bolts. Tighten as needed.
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One time engine oil change after 25 hours of operation. every 50 hours, thereafter.
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(Every 25 hours if operating in high ambient temperatures.) Change oil filter every oil
change.
Monthly Maintenance
Check the engine air filter. Replace as necessary.
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Check the water level in battery. fill as needed.
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Clean the battery terminals as needed.
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Quarterly Maintenance (or every 500 Hours, Whichever Comes First)
Check the fuel lines. Repair or replace as needed.
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Change primary fuel filter.
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Clean and gap the spark plugs to 0.031 - 0.035” (0.8 - 0.9 mm). Replace if excessive
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carbon buildup is visible or every 250 hours.
Change the blower oil after first 100 hours of use. (Every 500 hours, thereafter).
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One time change of the high pressure pump oil after 50 hours of operation. (every 500
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hours, thereafter.)
Check the engine valve clearance (intake and exhaust 0.012” [0.30 mm]).
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yearly Maintenance (or every 1,000 Hours, Whichever Comes First)
Check the fuel tank to ensure it is secure, and check that all components such as the
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fill cap and vent are working properly.
Inspect coupler; replace as necessary.
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