Gradall 534B-9 Operation Manual - Manual (Page 25)

FORK POSITIONER
Capacity:
Maximum load capacity for fork positioner carriage
is the same as standard carriage without fork posi-
tioner (refer to basic Capacity Chart located on
dashboard.) Capacity varies with boom extension
and elevation positions.
Controls:
If your unit is equipped with a multi-function
auxiliary control lever, refer to page 30.
The auxiliary control lever is used to adjust fork
position. Pull lever to rear to close forks and push
lever forward to open forks.
Procedure:
Remove standard carriage/fork combination or
other attachment from boom head (refer to Attach-
ment Installation - page 23).
Install carriage/fork combination with positioner.
Connect auxiliary hydraulic hoses to positioner
cylinders.
Always adjust fork position before engaging load.
Moving forks after engaging load could cause load
to fall from forks.
PRECAUTIONS
Always adjust fork position before en-
gaging load.
As with all other attachments, handler
must be level before handling a load more
than four feet above ground level (refer to
page 19). •
•
Observe all precautions and load capacity
limits (listed previously) when handling
loads with carriage/fork positioner.
LIGHT MATERIAL BUCKET
Capacity:
Maximum capacity of light material bucket is shown
on serial number plate (located on right cab wall) and
may be used in areas where it
does not exceed
capacities shown on standard carriage/fork capacity
chart.
Capacity must be reduced for areas where
maximum bucket capacity would exceed standard
carriage/fork capacity chart.
Controls:
CARRIAGE
TILT LEVER
Because the carriage tilt cylinder is used to tilt the
bucket, the carriage tilt lever is used to control the
bucket. Pull lever to rear to raise bucket lip and push
lever forward to lower bucket lip.
Procedure:
Remove carriage/fork combination or other
attachment from boom head (refer to Attachment
I n s t a l l a t i o n - p a g e 2 3 ) .
PRECAUTIONS
Handler must be level when handling a
load more than four feet above ground
level (refer to page 19).
Retract boom fully before loading bucket.
Loading bucket with boom extended
could damage structural members or
extension cables.
Avoid shock loads; drive into stockpile
smoothly to load bucket.
Do not use bucket as a lever to pry heavy
material. Excessive prying forces could
damage the bucket.
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