SAFETY INFORMATION RT530E-2 OPERATOR’S MANUAL
2-30 Published 5-3-2016, Control # 555-02
- Rope stretch (elongation).
- Integrity of end attachments.
- Evidence of abuse or contact with another object.
- Heat damage.
- Corrosion.
NOTE: A more detailed rope inspection procedure is given
in the Service Manual.
• When a rope has been removed from service because it
is no longer suitable for use, it must not be reused on
another application.
When installing a new rope:
• Keep all parts of your body and clothing away from
rotating hoist drums and all rotating sheaves.
• Never handle the wire rope with bare hands.
• Follow proper instructions for removing rope from a reel.
• Apply back tension to the storage/payoff reel of the new
rope to insure tight, even spooling onto the hoist drum.
• Operate the new rope - first through several cycles at
light load and then through several cycles at
intermediate load to allow the rope to adjust to operating
conditions.
When using a wedge socket:
• Always inspect socket, wedge, and pin for correct size
and condition.
• Do not use parts that are damaged, cracked, or
modified.
• Assemble the wedge socket with live end of rope aligned
with the centerline of pin and assure proper length of tail
(dead end) protrudes beyond the socket.
Sheaves
Inspect the boom nose and hook block sheaves for proper
operation, excessive wear, and damage every 50 hours or
weekly. Inoperable, damaged and/or worn sheaves cause
rapid deterioration of rope.
Ensure sheaves carrying ropes that can be momentarily
unloaded are equipped with close fitting guards or other
devices to guide the rope back into the groove when the load
is reapplied. Ensure sheaves in the lower load block are
equipped with close fitting guards that will prevent the ropes
from becoming fouled when the block is lying on the ground
with loose ropes.
To attain maximum hoist rope life and minimize hook block
rotation, it is recommended that even numbers of parts-of-
line be used in multiple-part reeving whenever possible.
The use of nylon (polyamide) sheaves, as compared with
metallic sheaves, may change the replacement criteria of
rotation-resistant hoist rope.
NOTE: The use of cast nylon (polyamide) sheaves will
substantially increase the service life of rope.
However, conventional rope retirement criteria
based only upon visible wire breaks may prove
inadequate in predicting rope failure. The user of
cast nylon sheaves is therefore cautioned that a
retirement criteria should be established based
upon the user’s experience and the demands of his
application.
Batteries
Battery electrolyte must not be allowed to contact the skin or
eyes. If this occurs, flush the contacted area with water and
consult a doctor immediately.
When checking and maintaining batteries, exercise the
following procedures and precautions:
• Wear safety glasses when servicing batteries.
• If equipped, disconnect battery with the battery
disconnect switch before disconnecting the ground
battery cable. For cranes with a Cummins engine using
an engine ECM:
a. Ensure that the key switch has been off for 2
minutes.
b. Turn the battery disconnect switch to the OFF
position.
c. Remove the ECM power fuse.
d. Remove negative battery cables.
• Do not break a live circuit at the battery terminal.
Disconnect the ground battery cable first when removing
a battery and connect it last when installing a battery.
• Do not short across the battery posts to check charge.
Short circuit, spark, or flame could cause battery
explosion.
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