Boom head-mounted winch – Gradall 534D-10 (9134-4052) Operation Manual User Manual
Page 37
Form No. 20219
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534D-9/534D-10 Owner/Operator Manual
13.5
• Tilt carriage to left or right to align forks with load and engage load.
• Raise load slightly and then level carriage.
• Travel with load lowered to travel position 4 feet (1.2m) or less above ground.
Boom Head-Mounted Winch
Capacity:
The boom head-mounted winch maximum load capacity is shown on the
standard carriage capacity chart. However, maximum capacity may be used
only in areas where it does not exceed capacities shown on standard carriage/
fork capacity chart (located on dashboard). Also note that maximum winch
capacity is less than carriage/fork maximum capacity. Capacity rating is based
on load being lifted and suspended vertically from the boom and with no load
on forks.
Observe the following Special Precautions:
• Never drag the load; lift vertically.
• Use tag line to guide and steady a suspended load. Tag lines must be long
enough to keep helpers clear of load and handler.
• Beware of wind. Wind can cause a suspended load to swing and cause
dangerous side loads - even with tag lines.
• Start, travel, turn and stop slowly to prevent load from swinging.
• Weight of all rigging (slings, etc.) must be included as part of load.
• Do not attempt to use handler frame-leveling to compensate for load swing.
Attachment Tilt Controls:
Figure 13-6
The auxiliary control lever is used to control
the boom head-mounted winch. Pull the
lever back to raise winch load; push the
lever forward to lower winch load.
Installation Procedure:
1. Install winch on boom head and connect hydraulic hoses at winch motor.
2. Position winch hook directly above balance point of load and secure using
appropriate rigging.
Operation:
• Attach tag lines to load and transport load to delivery site.
• While helpers guide load with tag lines, position load at delivery point.
WARNING
!
Do not handle a load with Boom
Head-Mounted Winch attachment
until you study and understand the
“Boom Head-Mounted Winch
Capacity Chart” carefully. If your
handler does not have a “ Boom
Head-Mounted Winch Capacity
Chart,” ask your supervisor to get
one before using the attachment.
WARNING
!
PRECAUTIONS
• Maximum winch load capacity
is reduced from normal
carriage/fork load rating.
• Always level handler before
lifting a load.
(See Page 11.0)
• Travel with load and boom
lowered to travel position load
4 feet (1.2m) or less above
the ground.
• Always lower load to rest
before leaving handler.
WARNING
!
AUXILIARY
CONTROL LEVER
LOWER
WINCH
LOAD
RAISE
WINCH
LOAD
A side load or a swinging
load could cause the
handler to tip over and/or
damage the boom.