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3.
Remove clamp (21,
Figure 9-2
and tubing (22,
Figure 9-2
filter (20,
Figure 9-2
or 22,
4.
Unscrew filter from reservoir.
5.
Install new filter on reservoir.
6.
Install tubing (22,
Figure 9-2
and clamp (21,
Figure 9-2
new filter.
7.
Clean the drain plug (19,
9-3) thoroughly.
8.
Re-install the drain plug.
NOTE: Refill only with Big Joe hydraulic oil part num-
ber 900855 and only while carriage is fully
lowered. Refill until oil is to the ``FULL'' mark
on the dip stick. Reservoir holds about 1-1/2
gallons of oil.
9.
Remove reservoir vent cap, fill reservoir to
``FULL'' mark on the dip stick, and replace vent
cap.
9-4. LINE OR FITTING REPLACEMENT.
WARNING: Lift carriage must be fully lowered before
performing maintenance on the hydraulic
system.
NOTE: Leaking hydraulic fittings can sometimes be
remedied by simply tightening the fitting. If
this does not remedy the leak, the fitting or
line must be replaced.
1.
Lower lift carriage fully.
CAUTION:
Hydraulic oil can dissolve the battery
case. Wipe off any spilled oil immedi-
ately.
2.
Remove the reservoir drain plug and drain the
hydraulic oil into a suitable container.
3.
Remove the leaking line or fitting and replace it
with a new one.
4.
Clean the drain plug thoroughly.
5.
Re-install the drain plug.
NOTE: Refill only with Big Joe hydraulic oil part
number 900855 and only while the carriage
is fully lowered. Refill until oil is to the ``FULL''
mark on the dip stick. Reservoir holds about
1-1/2 gallons of oil.
9-4
https://forklift-manuals.jimdofree.com
or 23,
Figure
9-3)
or 24,
Figure
9-3) from
Figure
9-3).
or 24,
Figure
9-3)
or 23,
Figure
9-3) onto
Figure 9-2
or 21,
Figure
6.
Remove the reservoir vent cap, fill the reservoir to
the ``FULL'' mark on the dip stick, and replace the
vent cap.
9-5. LIFT/LOWER CONTROL VALVE.
9-5.1. Adjustment.
NOTE: The lift/lower control valve is properly
adjusted, inspected, and checked thoroughly
before leaving the factory. The valve should
rarely need readjusting; but if adjustment is
necessary, the following procedure should be
used to set the valve for lowering and the
hydraulic pump switch for lifting.
NOTE: Refer to
Figure
9-4,
for the following procedure.
1.
Raise lift carriage part way with a moderate load
on the forks to build up pressure in the hydraulic
system.
CAUTION:
Prevent lift control valve clamp (8,
9-5
or
Figure
release cam (3), or the handle return
spring (7) will slip by the roll pins (6).
2.
Loosen upper nut (9,
lift control valve clamp (8).
3.
Using the point where the lift control knob and
handle come together as a reference point, push
handle forward 3/4 inch from neutral position (see
Figure
9-4).
R190
Figure 9-4 Lift/Lower Control Valve Adjustment
Figure 9-5
and
Figure 9-6
Figure
9-6) from slipping off the
Figure 9-5
or
Figure
9-6) on
PDI0404
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Table of Contents
Troubleshooting
