MHD56209 - Edition 2
17
MAINTENANCE
• Use of other than genuine Ingersoll-Rand replacement parts
could result in damage to the unit and void the warranty.
• Never perform maintenance on the Jib Crane while it is
supporting a load.
• Before performing maintenance, tag unit:
WARNING - DO NOT OPERATE -
EQUIPMENT BEING REPAIRED.
• Only allow service personnel trained in safety and
maintenance on this unit to perform maintenance.
• After performing any maintenance on the unit, adjust and
test unit in specified application before returning to service.
Maintenance Intervals
The Maintenance Interval chart is based on intermittent operation
of the unit eight hours each day, five days per week. If unit
operation exceeds eight hours per day, or use is under HEAVY or
SEVERE conditions, more frequent maintenance should be
performed. Refer to ‘Periodic Inspection’ in the “INSPECTION”
section on page 14 for interval guidance.
Disassembly
700J Jib Crane
Refer to Dwg. MHP1993 on page 22 and MHP1996 on page 24.
1.
Turn off all power to lifting device and disconnect power
source.
2.
Remove lifting device from Jib Crane trolley.
3.
Remove capscrews (31), nuts (32) and end caps (30) and (34)
from boom (41) tip.
4.
Remove cotter pin (20) then loosen nuts (21) on tie rod (39).
5.
Support the weight of the boom (41) and remove shoulder
screw (11) and nut (10) from suspension clevis (25).
6.
Remove capscrew (2), nut (8) and washer (7) from lower
boom clevis (40).
7.
Slide boom from mounting bracket (17) or column (12) and
carefully lower to the floor. Save thrust bearing (6) and thrust
washer (3) which will come loose when boom is removed.
8.
Remove capscrew (2), nut (8) and washer (7) from top clevis
(5).
9.
Remove tie rod and top clevis assembly. Save thrust bearing
(6) and thrust washer (3) which will come loose when tie rod
and top clevis assembly is removed.
10. Remove shoulder bolt (9) and nut (10) from top clevis (5) and
separate parts.
11. Loosen nuts (27) on suspension clevis and slide suspension
brackets (24) from boom (41).
800J Jib Crane
Refer to Dwg. MHP1994 on page 26.
1.
Turn off all power to lifting device and disconnect power
source.
2.
Remove lifting device from Jib Crane trolley.
3.
Remove capscrews (31), nuts (32) and end cap (30) from
boom (41) tip.
4.
Remove cotter pin (20) then loosen nuts (21) on tie rod (39).
5.
Support the weight of the boom (41) and remove shoulder
screw (11) and nut (10) from suspension clevis (25).
6.
Remove capscrews (36) and nuts (35) from upper mast (13).
7.
Slide boom from upper mast mounting bracket and carefully
lower to the floor.
8.
Remove shoulder screw (11) and nut (10) from upper mast.
9.
Remove tie rod assembly.
10. Remove capscrews (9), nuts (8) and lockwashers (7) which
secure upper mast (13) to pivot assembly (52). Remove upper
mast.
11. Remove capscrews (2), nuts (8) and lockwashers (7) from
lower column (12). Remove pivot assembly from lower
column.
900J Jib Crane
Refer to Dwg. MHP1995 on page 28.
1.
Turn off all power to lifting device and disconnect power
source.
2.
Remove lifting device from Jib Crane trolley.
3.
Remove capscrews (36) and nuts (35) from boom (41) at
column end.
4.
Support the weight of the boom (41) and slide boom from
upper mast mounting bracket (13). Carefully lower to the
floor.
5.
Remove capscrews (9), nuts (8) and lockwashers (7) which
secure boom mount (13) to pivot assembly (52). Remove
boom mount.
6.
Remove capscrews (9), nuts (8) and lockwashers (7) from
column (12). Remove pivot assembly (52) from column.
INTERVAL
MAINTENANCE CHECK
Start of each shift
(Operator or
Maintenance
Personnel)
Make a thorough visual inspection of
the Jib Crane and attached components
for damage. Do not operate the unit, or
components, if damaged.
Operate the unit through the normal
range of movements. Unit must operate
smoothly without sticking, binding or
abnormal noises.
3 months
(Maintenance
Personnel)
Check operation of lifting device. Refer
to manufacturer’s manual for
maintenance information.
Yearly
(Maintenance
Personnel)
Inspect pivot assembly.
Check all the supporting members,
including the clamps, fasteners, nuts,
etc. for indications of damage or wear.
Repair or replace as required.
Содержание Zimmerman 700J
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