John Deere WASHERS AC-3500GHH User Manual
Page 20
20
John Deere Operator's Manual
MAINTENANCE CHART
PROCEDURE
DAILY
3 MONTHS 6 MONTHS 9 MONTHS 12 MONTHS
Check engine oil level
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 filter inspection
X
Check fuel filter/water separator
X
Inspect belt
X
X
X
X
Replace high pressure nozzle***
X
X
X
X
Replace fuel filter/water separator
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
*
Must be performed by an authorized service technician.
**
The pump oil must be changed after the first 50 hours of operation and every 250 hours or 3 months, whichever
comes first.
***
High pressure nozzle should be replaced whenever pressure is less than 85%.
****
Scale build-up will vary with mineral content in the water and amount of usage. Descaling can range from monthly
to yearly maintenance.
***** The engine oil must be changed after the first 8 hours of operation and every 50 hours or 3 months,
whichever comes first.