31. MAINTENANCE
4-19
Remark
On clutch-type lift trucks, the oil is used for both the differential case and the transmission case. However, on
the TORQFLOW transmission lift truck, each case has its own special oil, so it is necessary to check and
change the oil in the TORQFLOW transmission case in addition to checking and changing the oil in the differ-
ential case in two separate operations.
n CHECK SPARK PLUGS FOR BURNING OF ELECTRODE, BURNING OF INSULATOR (GAS & LP)
1. Remove the spark plug using the plug wrench provided
with the lift truck.
2. Clean off any carbon buildup on the tip of the plug or the
surrounding area.
3. Measure gap (A) with plug gap gauge.
n CHECK, ADJUST ALTERNATOR BELT (DRIVE BELT)
TENSION
31.1.4 GENERAL
n TIGHTEN BOLTS AND NUTS
Especially tighten lug nuts (hub nuts), and overhead guard, load backrest and operator's seat mounting bolts
and nuts.
n CHECK BEFORE OPERATION
See “CHECK BEFORE OPERATION” on page 3-20 for details.
31.2 EVERY 2 WEEKS OR EVERY 100 HOURS SERVICE
LOADING EQUIPMENT
n GREASE LIFT CHAIN
31.3 EVERY MONTH OR EVERY 200 HOURS SERVICE
31.3.1 TRAVEL EQUIPMENT
n CHECK WHEEL RIMS FOR DEFORMATION, CRACKING AND DAMAGE
n CHECK WHEEL BEARINGS FOR PLAY AND ABNORMAL NOISE
31.3.2 HYDRAULIC EQUIPMENT
n CHECK HYDRAULIC CYLINDERS FOR LOOSENESS, DEFORMATION, CRACKING, DAMAGE AND
WEAR
n CHECK ALL PIPING/TUBING/CONNECTORS FOR OIL LEAKAGE, DEFORMATION OR DAMAGE
n CHECK OPERATION OF HYDRAULIC CYLINDERS
n CHECK HYDRAULIC DRIFT OF LIFT CYLINDER
n CHECK HYDRAULIC DRIFT OF TILT CYLINDERS
n CHECK MOVEMENT OF WORK EQUIPMENT CONTROL LEVER(S)
31.3.3 LOADING EQUIPMENT
n CHECK FORKS AND FORK STOPPER FOR DEFORMATION, CRACKING, DAMAGE AND WEAR
n CHECK FORKS FOR UNEVENNESS AND TWISTING
n CHECK MAST FOR DEFORMATION, CRACKING, DAMAGE AND WEAR
n CHECK MAST ROLLER FOR PLAY
n CHECK CHAIN AND CHAIN WHEEL FOR DEFORMATION, DAMAGE, RUST AND POOR LUBRICATION
Specified spark plugs
NGK FR2A-D
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