JLG X23J - X700AJ Service Manual - Manual (Page 303)

SECTION 3 - CHASSIS & TURNTABLE
3-276 – JLG Lift – 3121448
Maintenance
ONLY CARRY OUT MAINTENANCE WORK WITH THE ENGINE
SWITCHED OFF.OBSERVE ALL RELEVANT LAWS AND REGULA-
TIONS GOVERNING THE HANDLING AND DISPOSAL OF USED OIL,
FILTERS AND CLEANING AGENTS. PROTECT THE STARTING KEY
AGAINST UNAUTHORISED USE. ON ENGINES WITH AN ELECTRIC
STARTER, DISCONNECT THE BATTERY’S NEGATIVE TERMINAL.
WHEN MAINTENANCE WORK HAS BEEN COMPLETED, CHECK
THAT ALL TOOLS HAVE BEEN REMOVED FROM THE ENGINE AND
ALL PROTECTIVE GUARDS FITTED AGAIN. BEFORE STARTING
THE ENGINE, ENSURE THAT THERE ARE NO PERSONS IN THE
DANGER AREA CLOSE TO THE ENGINE OR EQUIPMENT.
MAINTENANCE CHART
Maintenance interval Maintenance work required
8-15
Every 8 – 15
operating hours,
or before each
daily start-up
Check oil level.
Examine the lower section of the oilbath air cleaner
to ensure correct oil level and freedom from con-
tamination; change the oil if it contains sludge.
On version with cyclone-type dust trap, empty the
dust collector.
Check combustion and cooling air intake zone.
Check air-cleaner maintenance indicator.
Check the water trap.
250
Every 250
operating hours
Oilbath air cleaner maintenance.
Change engine oil.
Check and adjust valve clearances.
(Not applicable with automatic self adjusting valve
clearance models, see next page)
Clean cooling air area.
Check screw connections.
Clean mesh insert for exhaust.
500
Every 500
operating hours Change fuel filter element.
Dry-type air cleaner maintenance.
1000
Every 1000
operating hours
Clean the oil filter.