12
MAINTENANCE SCHEDULE
PROCEDURE
DAILY
3 MONTHS 6 MONTHS 9 MONTHS 12 MONTHS
Check engine oil level
(ONLY use the type and grade of oil
specified for this pump.)
X
Change engine oil*****
X
X
X
X
Check water pump oil level
X
Change water pump oil **
X
X
X
X
Oil leak inspection
X
Fuel leak inspection
X
Water leak inspection
X
Hose inspection
X
Water inlet screen inspection
X
Check fuel filter
X
X
X
X
Replace fuel filter
X
Inspect belts
X
X
X
X
Replace high pressure nozzle***
X
X
X
X
Inspect fuel pump filter*
X
Replace fuel nozzle*
X
Check burner air adjustment
X
X
X
X
Check burner electrodes*
X
Test water pressure*
X
X
X
X
Test fuel pressure*
X
X
X
X
Test water temperature*
X
X
X
X
Descale coil****
X
Power Cord/Outlet Socket inspection
(replace worn or damaged parts
immediately)
X
* Must be performed by an authorized service technician.
** The pump oil must be changed after the first 50 hours of operation and then every
250 hours or 3 months, whichever comes first.
*** High pressure nozzle should be replaced whenever pressure drops to less than 85%.
**** Scale build-up will vary with mineral content in the water and amount of usage.
Descaling can range from weekly to yearly maintenance.
***** The engine oil must be changed after the first 8 hours of operation and then every
50 hours or 3 months, whichever comes first.
Summary of Contents for COMMERCIAL HW255E1CNG
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