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MAINTENANCE CHECKLIST
OPERATOR MANUAL
NBT60XL
6-2
Published 11-01-2020 Control # 710-00
Daily Inspections/Pre-use
Check the following items:
1.
Engine oil level.
2.
Hydraulic oil level.
3.
Radiator coolant level.
4.
Loose parts or damage to structures or welds.
5.
Operation of lights, safety equipment and gauges.
6.
Condition of tires and suspension.
7.
Condition of hoist rope and end attachment for
corrosion, severe kinking, crushing, cutting, or slippage
of rope clamps or wedge socket.
8.
Loose parts or damage to rope hook blocks.
9.
Position of rope with guides and on sheaves.
10.
Free turning of sheaves.
11.
Lubrication as specified by the Lubrication Chart. For
more information, see “Lubrication Procedure and
Charts” on page 5-1.
12.
Evidence of oil leaks from hoses, gearboxes, or swivel.
13.
Hand and foot controls for malfunction or incorrect
adjustment.
14.
Truck parking brake operation.
15.
Boom proportioning to ensure that all boom sections
extend and retract equally.
16.
All securing hardware such as cotter pins, snap rings,
hairpins, pin keepers, and capscrews for proper
installation.
17.
Proper condition and operation of RCL and anti-two
block systems to include the anti-two block switch
weight and chain at the boom tip (and jib tip if equipped),
power cords, audible alarms, and indicator lights on the
console.
18.
Proper operation of the load hook safety latch.
19.
Hooks and latches for excessive wear, cracks or
damage from heat or chemicals.
20.
Drain holes at rear of the first section of the boom are
clear of all obstructions.
21.
All fasteners retaining the rope retainers are in place and
tight.
22.
All safety covers for proper installation.
23.
Boom lift and outrigger holding valves for proper
operation.
24.
Outrigger pads and cribbing.
25.
Hoist brake for proper operation at hoist capacity load.
26.
Control and drive mechanisms for excessive wear and/
or contamination from lubricants, water or other foreign
matter.
27.
All air, hydraulic, and working mechanisms before
operating the PTO. Perform maintenance per PTO
manufacturer’s specifications.
Weekly Inspections
Check the following items:
1.
Battery water level.
2.
Tire pressure.
3.
Lubrication as specified by the Lubrication Chart. For
more information, see “Lubrication Procedure and
Charts” on page 5-1.
4.
Torque the T-box mounting bolts during the first month of
operation and periodic inspections thereafter.
5.
Torque the swing bearing mounting bolts during the first
month of operation and periodic inspections thereafter.
6.
Torque the boom wear pad retaining bolts during first
month of operation, and monthly thereafter.
7.
Check to see that crane Operation Manual is with the
unit. If the manual is missing, obtain the serial number of
the unit and order an operation manual immediately.
Monthly Inspections
Check the following items:
1.
All cylinders and valves for improper operation or signs
of leaks.
2.
Lubrication as specified by the Lubrication Chart. For
more information, see “Lubrication Procedure and
Charts” on page 5-1.
3.
Load hook for cracks or having more than 15 percent
normal throat opening or 10 degree twist.
4.
All structural members (boom, sub-base, frame, turret,
and outriggers) for bends, cracks, or broken members.
5.
All welds for breaks or cracks.
6.
All pins for proper installation.
7.
All control, safety, and capacity placards for readability
and secure attachment.
8.
Rope clip bolts above wedge socket at the end of the
loadline should be properly torqued. See the NBT
5
60L
Series
Service Manual
for more information.
9.
All boom wear pad retaining bolts.
10.
Boom extension cables for proper tension or evidence of
abnormal wear.
11.
Sheaves and rope drums for wear and cracks.
Fo
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