5.
Release the tine ground engagement foot switch
to raise the tines.
6.
While holding the position of the knob for the
weight control valve, tighten the jam nut.
Note:
If you are having difficulty maintain the
valve adjustment while tightening the jam nut,
use a hex key in the shaft of the weight control
valve.
g249603
Figure 60
1.
Set screw (knob)
2.
Hex socket (shaft—weight
control valve)
Removing the Weight
Control Knob
1.
Loosen the setscrew in the knob for the weight
control valve; refer to
in
Operator Weight Control Valve (page 47)
.
2.
Lift the knob straight from the shaft.
Note:
Do not twist the knob while removing
it. If you need help maintaining the position of
the control-valve shaft, use a hex key in the
hex socket of the shaft to hold the align; refer
to
in
Control Valve (page 47)
.
3.
If the setscrew of the knob raised a burr on
the shaft of the weight control valve, carefully
remove the burr.
4.
Store the knob for future adjustments.
Tine Maintenance
Checking the Tines
Service Interval:
Before each use or daily
1.
Shut off the engine, engage the parking brake,
remove the key, and wait for all moving parts to
stop before leaving the operating position.
2.
Raise the machine and support it with jack
stands with a 460 kg (1,015 lb) capacity.
CAUTION
Raising the machine for service
or maintenance relying solely on
mechanical or hydraulic jacks could be
dangerous. The mechanical or hydraulic
jacks may not be enough support or may
malfunction allowing the machine to fall,
which could cause injury.
Do not rely solely on mechanical
or hydraulic jacks for support. Use
adequate jack stands or equivalent
support.
3.
Remove the 2 thumbscrews (3/8 x 1 inch) and
2 washers (3/8 inch) that secure the rear-cover
panel to the chassis, and remove the panel
(
).
g249698
Figure 61
1.
Chassis hole
3.
Washer (3/8 inch)
2.
Rear panel
4.
Thumbscrew (3/8 x 1 inch)
4.
Remove rocks and other debris from the tines.
5.
Inspect the tines for wear and damage.
Note:
Replace any tines that are worn or
damaged.
6.
Align the holes in the rear-cover panel to the
holes in the chassis (
).
48
