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• 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 Manipulator Arm while
it is supporting a load.
• Before performing maintenance, tag controls:
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.
• Turn off air supply to unit and be sure wire rope is slack
before attempting any disassembly operations.
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 for interval guidance.
INTERVAL
Start of each shift
Make a thorough visual inspection of the
Manipulator Arm and attached compo-
(Operator or
nents for damage. Do not operate the
Maintenance
unit, or components, if damaged.
Personnel)
Operate the unit through the normal
range of movements. Unit must operate
smoothly without sticking, binding or
abnormal noises.
3 months
Check operation of balancer. Refer to
balancer manual for maintenance
(Maintenance
information.
Personnel)
Yearly
Inspect pivot assembly.
Check all the supporting members,
(Maintenance
including the clamps, fasteners, nuts,
Personnel)
etc. for indications of damage or wear.
Repair or replace as required.
Wire Rope Replacement
• Improper routing of the wire rope can cause severe injury or
death. Wire rope must run through all of the pulleys in the
arm.
1.
Lower load until wire rope is slack and all air pressure has
been bled from balancer.
2.
Turn off air supply.
3.
Remove load from hook.
MHD56162 – Edition 1
MAINTENANCE
MAINTENANCE CHECK
REVIEW COPY 9-7-99
4.
Remove hook from wire rope.
5.
Remove capscrew (17) and nut (15) from upper mounting
bracket of balancer.
6.
Allow balancer to rotate down towards the floor. The lower
mounting bolt will support weight of balancer.
7.
Pull wire rope from balancer until it stops at bottom of travel.
8.
Cut wire rope at the balancer.
9.
Secure wire rope inside of manipulator arm until new wire
rope has been installed in balancer.
10. Remove wire rope from balancer. Refer to the balancer
Service Manual.
11. Install new wire rope to balancer reel.
12. Two full wraps around reel are required for balancer to
function properly. Ensure second full wrap of wire rope is in
the center of the cable guide opening.
13. Make a butt joint splice with old wire rope and free end of
new wire rope.
14. From load end of manipulator arm, pull old wire rope from
manipulator arm until new wire rope comes out of last pulley.
15. Disconnect butt splice.
16. Discard old wire rope.
17. Rotate balancer toward upper mount bracket and install
capscrew (17) and nut (15).
18. Pull all slack wire rope from manipulator arm.
19. Lash hook to wire rope.
20. Apply load and turn on air supply.
Disassembly
• Air lines are connected to the balancer end cap. Use care
when removing end cap.
700C Manipulator Arm
Refer to Dwg. MHP1567 on page 18.
1.
Shut off air supply and disconnect air lines. Remove
capscrews (10), washers (9), nuts (20) and manipulator arm
from carriage or support.
2.
Remove capscrews (11), washers (19), nuts (20) and pivot
assembly (7) from rear mast (3).
3.
Remove hook assembly from end of wire rope.
4.
Remove wire rope, refer to 'Wire Rope Replacement.'
Remove capscrews (17), nuts (15) and bushings (16) which
secure the Balancer. Remove the Balancer and pull remaining
wire rope from arm.
5.
Remove capscrews (13) and washers (14) from connector
plates (4).
6.
Tap out pins (8) and (35) and separate connector plates from
masts (2) or (3) and center link (1).
7.
Note shim pack (22) thickness and position, then remove
from center link. Tap bearing cups (24) from connector plates
and bearing cones (23) from center link (1).
8.
Remove capscrew (29) and separate spacer (25), thrust
washers (26) and pulley (27) from center link.
9.
Remove screws (42) and drive out pins (41) from cable guide
(43). Remove cable guide.
10. Remove capscrew (40) and nut (45) from front mast (2).
Separate bearings (38) and cable sheave (39) from front mast.
11. Loosen setscrew (44) and slide air manifold (5) from front
mast (2).
15
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