MAINTENANCE 1400H OPERATOR AND SERVICE MANUAL
3-2 Published 10-30-2014 Control # 040-09
17. Proper condition and operation of RCL and anti-two-
block system to include switch, weight and chain at
boom tip (and jib tip if equipped), power cords and reel
on main boom and display console at operators station
showing boom length, angle, radius and load status.
Cycle slowly to check for proper operation.
18. Presence and proper operation of load hook safety
latch.
19. Swing system for proper operation of dynamic and park
brakes.
20. All drain holes at rear of first section boom are clear of all
obstructions.
21. All fasteners retaining loadline centering block are in
place and tight.
Weekly Inspections
Check the following items:
1. Battery water level.
2. Tire pressure.
3. Lubrication of points required by Lubrication Chart.
4. Boom lift and outrigger holding valves for proper
operation.
5. Torque mounting bolts during first month of operation of
machine and then during periodic inspections thereafter.
6. Hoist brake for proper operation at hoist capacity load.
7. Torque boom wear pad retaining bolts during first month
of operation, then monthly thereafter.
8. Check to see that crane Owner’s Manual is with the unit.
If not, obtain serial number of unit and order manual
immediately.
Monthly Inspections
Check the following items:
1. All cylinders and valves for signs of leaks.
2. Lubrication of points required by Lubrication Chart.
3. Load hook for cracks or having more than 15 percent
normal throat opening or 10° twist.
4. All structural members (boom, sub-base, 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. Torque of cable clip bolts above wedge socket at end of
loadline should be 95 lb-ft.
9. All boom wear pad retaining bolts.
10. Boom extension cables for proper tension or evidence of
abnormal wear.
11. Sheaves and cable drums for wear and cracks.
12. Un-spool loadline and check according to rope
maintenance procedure.
Periodic Inspection
Check the following items:
1. All items listed under daily, weekly and monthly
inspections.
2. Loose bolts and fasteners in all areas. Torque pin
retainer bolts.
3. All pins, bearings, shafts, and gears for wear cracks or
distortion to include all pivot, outriggers and sheave
pins, and bearings.
4. Boom angle and boom length indicator for accuracy over
full range.
5. Hydraulic systems for proper operating pressure.
6. Lift and outrigger/stabilizer cylinders for drift caused by
leaking around piston.
7. Cylinders for:
a. Damaged rods
b. Dented barrels
c. Drift from oil leaking by piston
d. Leaks at rod seals, welds, or holding valves.
8. PTO drive line system for proper alignment, lubrication
and tightness.
9. Hydraulic hose and tubing for evidence of damage such
as blistering, crushing or abrasion.
10. Top and bottom wear pads for excessive wear.
11. Inspect all electrical wires and connections for worn, cut
or deteriorated insulation and bare wire. Replace or
repair wires as required.
12. Extend and retract cables, sheaves, pins and bearings
for wear or abrasion.
13. Crane to truck frame mounting bolts for proper torque
(see Torque Chart).
14. Rotation bearing and gearbox mount bolts for proper
torque (see Torque Chart).
Other
1. Stability of unit throughout working area. Check stability
procedure in Installation Section annually or when any
change is made to crane or truck.
2. If the boom has not been disassembled and inspected in
the last five years or 3,000 hours of use, the boom is to
be completely torn down to allow a thorough inspection
of the extend and retract cables, sheaves, and pins.