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713 Manipulator Arm
Refer to Dwg. MHP1888 on page 30.
1.
Install bearings (38) in cable sheave (39). Position sheave
assembly in front mast (2) and secure with capscrew (40) and
nut (45).
2.
Install washer (53) and bearing cone (23) on front mast pivot
post.
3.
Install bearing cups (24) in rear mast (3).
4.
Install front mast pivot post through bore in rear mast. Install
second bearing cone (23), washer (53), lockwasher (52) and
locknut (51). Ensure inside tab of lockwasher locates in slot
on front mast pivot post. Torque nut to 40 ft. lbs. (54 Nm).
5.
Increase torque as needed to bend one lockwasher (52) tab
into locknut (51) slot.
6.
Install the Balancer on front mast (2). Secure with capscrews
(17), nuts (15) and bushings (16). Feed wire rope through
mast.
7.
Slide air manifold (5) onto front mast (2). Tighten setscrew
(44).
8.
Install pivot assembly (7) on rear mast (3) with capscrews
(11), washers (19) and nuts (20). Torque to 72 ft. lbs. (98
Nm).
9.
Install manipulator arm to carriage or support with
capscrews (10), nuts (20) and washers (9). Connect air line.
10. Install hook assembly on end of wire rope and adjust per
Lash-Up procedure in "INSTALLATION" section.
Pivot Assembly and Installation
Refer to Dwgs. MHP1566 and MHP1873 on page 29.
1.
Clean bearings (62) and (68) with mineral spirit solution to
remove all grease. Dry bearings.
2.
Re-pack bearings with grease (Zimmerman P/N 10885 –
refer to "LUBRICATION" Section).
3.
Install bearings to bearing hub (64) and bearing post (61).
4.
Install bearing hub (64) on bearing post (61).
5.
Install lockwasher (65) on bearing post (61).
MHD56162 - Edition 2
CAUTION
• The following torque procedure must be followed to ensure
that spanner nut torque is correct, bearings have been seated,
and nut will not lose torque. Failure to follow these
instructions will decrease performance of the pivot and may
cause damage to the arm assembly.
6.
Tighten spanner nut (66) to 200 ft.-lbs. (271 Nm)
7.
Rotate pivot assembly left and right to seat bearings.
8.
Torque spanner nut to 200 ft.-lbs. (271 Nm)
9.
Rotate pivot assembly left and right to seat bearings.
10. Torque spanner nut to 200 ft.-lbs. (271 Nm)
11. Rotate nut clockwise until a lockwasher tang is aligned with
a slot on spanner nut. Bend tang into slot.
12. Install pivot assembly on arm and mounting carriage/
column.
13. Torque pivot mounting bolts to 50 ft.-lbs. (68 Nm)
NOTICE
• Ensure the tang on the lockwasher in the upper housing
engages a slot on the pivot pin.
• Tighten pivot spanner nut securely, but not so much that the
lower housing assembly will not swivel.
Testing
Prior to initial use, all new, altered or repaired Manipulator Arms
shall be tested to ensure proper operation.
1.
Check Manipulator Arm movement through full operational
range. Ensure movement is smooth and without binding.
Ensure there are no obstructions through the operation range.
2.
Ensure all guards are in place and undamaged.
3.
Install handling device expected to be used. Check position
and regulator adjustments.
4.
Check operation of balancer. Ensure balancer responds
correctly to control operation.
19
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