49
Maintenance
HC-10 NEXSTAR
Lubrication and Maintenance Schedule
Service
Performed
Instructions
Daily
Weekly
3
Months Yearly
Load Hook
Inspect hook and latch for
deformation, cracks, and corrosion
X
Cable Drum
Ensure cable is wound evenly on
drum
X
Hoist Cable
Check for flattening, kinks, broken
strands
X
Hyd. Hoses
Visual inspection
X
Hyd. Fluid
Check fluid level
X
Pin Retaining
Bolts
Check torque to 23 ft-lb (Grade 5),
35 ft-lb (Grade 8) as required
X
Mounting Bolts Check torque to 501 ft-lb (Gr 8
hex head), 475 ft-lb (socket head)
X
Rotating Ring
Gear
Lube with MobileTac LL, Lubriplate
or equivalent
X
Sheave Bearings Sealed bearing, replace if rough or
loose
X
All Other Bolts
Check and tighten as required
X
Lift Cylinder
Bearings
Grease with MobilePlex EP-2 or
equivalent at zerk fittings
X
Rotation Bearing Grease with MobilePlex EP-2 or
equivalent at zerk fittings
X
Rotation Bearing
Bolts
Check torque to 225 ft-lb
X
Hoist Mounting
Bolts (HC-10,
12S, 12, 14)
Check torque to 173 ft-lb
X
Hoist Mounting
Bolts (All others) Check torque to 85 ft-lb
X
Slewing Drive
(HC-7x/8x)
Grease with MobilePlex EP-2 or
equivalent at zerk fittings
X
Hydraulic Fluid
Drain, flush, and refill with
Superfilm 5W-20 or equivalent
X
Rotation
Gearbox (HC-
12/14)
Drain, flush, and refill with 52 oz of
GL-5 EP-80/90 gear oil
X
Rotation
Gearbox (All
Others)
Drain, flush, and refill with 58 oz of
EP-140 gear oil
X
Boom Slide Pads
Pads greased when replaced
Filter, Valve
Block
Replace annually, every 200 hours of operation, or as directed by the
dirty filter sensor
For additional information, see OSHA 1910.180 and ASME B30.5