MAINTENANCE
800D
3-2
Published 5-27-2018 Control # 039-06
16. All securing hardware such as cotter pins, snap
rings, hairpins, pin keepers and capscrews for
proper installations.
17. Proper condition and operation of overload and anti-
two-block operator aid system to include switch,
weight and chain at boom tip (and jib tip if
equipped), power cords and indicator lights on
console. Cycle slowly to check for proper operation.
18. Presence and proper operation of load hook safety
latch.
19. All drain holes at rear of first section boom are clear
of all obstructions.
20. All fasteners retaining loadline centering block are in
place and tight.
21. All safety covers for proper installation.
Weekly Inspections
Check the following items:
1. Battery water level.
2. Tire pressure.
3. Lubrication of points required by
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
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, 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 ft-lb (129 Nm).
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. Unspool 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
overfull range.
5. Hydraulic systems for proper operating pressure.
6. Lift and outrigger/stabilizer cylinders for drift caused
by oil 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. Main frame and stabilizer mount bolts for proper
torque (see Torque Chart).
14. Rotation bearing and gearbox mounting bolts for
proper torque (see Torque Chart). The three turret to
rotation bearing capscrews at the front edge cannot
be torqued without a special tool or removal of the
lift cylinder. These should be torqued anytime that
the lift cylinder is removed for service. It is not
required to torque the bolts at these three locations
Fo
r
Reference
Only
Содержание National Crane 800D
Страница 1: ...Operator and Service Manual National Crane 800D F o r R e f e r e n c e O n l y ...
Страница 4: ...F o r R e f e r e n c e O n l y ...
Страница 98: ...MAINTENANCE 800D 3 10 Published 5 27 2018 Control 039 06 THIS PAGE BLANK F o r R e f e r e n c e O n l y ...
Страница 194: ...SPECIFICATIONS 800D 8 4 Published 5 27 2018 Control 039 06 THIS PAGE BLANK F o r R e f e r e n c e O n l y ...
Страница 216: ...INSTALLATION 800D 9 22 Published 5 27 2018 Control 039 06 THIS PAGE BLANK F o r R e f e r e n c e O n l y ...
Страница 232: ...CRANE INSTALLATION 800D 10 16 Published 5 27 2018 Control 039 06 THIS PAGE BLANK F o r R e f e r e n c e O n l y ...
Страница 252: ...SCHEMATICS 800D 2 Published 5 27 2018 Control 039 06 F o r R e f e r e n c e O n l y ...
Страница 255: ...F o r R e f e r e n c e O n l y ...
Страница 256: ...F o r R e f e r e n c e O n l y ...