Apply grease to lift hook more often if PLS truck mileage is low, but
LHS usage is high.
The 50 hour interval is based on actual LHS or MHC operating hours.
The hours can be tracked by the operator and recorded in the logbook. The
LHS or MHC should be lubricated on a monthly or 50 actual operating hour
interval, whichever comes first.
To allow access to the hook arm cylinder rear grease fittings and LHS
hook arm pin, LHS should be fully extended.
Use oil can sparingly. A single oil can application at each oil can hole is
Lubricate boom wear pads, and exposed rotation gears more often when
cranes are operated in sandy or dusty conditions.
Lift-hook weighs 150 lbs. (68 kg). Attach suitable lifting
device prior to removal or installation of LHS hook arm
pin to prevent possible injury to personnel.
Remove safety pin and washer to remove LHS hook arm pin. Lubricate
LHS hook arm pin and reinstall with washer and safety pin.
3. HYDRAULIC/STEERING SYSTEM.
OE/HDO 30 must be used when temperatures are consistently above 60 degrees F
(16 degrees C).
4. OIL CAN POINTS.
Lubricate doors, side panels, engine cover hinges, locks and pivot points every 1,500 mi.
(2,414 km) or Semiannually. Lubricate more often if usage is high. Lubricate door
rotary locks and latches with lubricant cleaner.