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3
ADJUSTMENTS
3.8
NEUTRAL SENSING SWITCH________________________________________________
The neutral sensing switch is part of the operator backup
system. It is designed to prevent the tractor from starting
unless the traction pedal is in neutral. If this switch fails or
is out of adjustment the tractor will not start.
1. Make sure drive pump and traction pedal linkage are
adjusted to neutral. Sections 3.7 and 3.11.
2. Position switch so pointer (A) on activator plate is
centered over sensing area on switch.
3. Adjust switch so gap between sensing surface on
switch and end of pointer is between 1/16" - 1/8"
(1.5 - 3 mm). Secure switch in this position.
4. After adjustment check operation of operator backup
system.
3.9
FORWARD SENSING SWITCH _______________________________________________
The forward sensing switch allows the tractor to operate
in four wheel drive only with the traction pedal in its
forward position. When operating in reverse the switch
opens and returns the tractor to two wheel drive. If four
wheel drive fails to operate, check adjustment and
operation of sensing switch.
1. Make sure drive pump, traction pedal linkage and
neutral sensing switch are adjusted to neutral,
Sections 3.7, 3.11 and 3.8.
2. Adjust switch so gap between sensing surface on
switch and edge of activator plate is between 1/16" -
1/8" (1.5 - 3 mm).
3. Disconnect switch from wiring harness and connect
a continuity meter across switch leads (B). With
traction pedal in neutral, slide switch back until it
opens, then forward until it closes. Secure switch in
this position.
4. With continuity meter still attached check adjustment
by pressing traction pedal.
Switch closed - traction pedal in neutral and during
full forward range of pedal.
Switch open - Full reverse range of pedal.
5. Connect switch to wiring harness and check
operation of four wheel drive.
GB-12
A
1/16" - 1/8"
(1.5 - 3 mm)
1/16" - 1/8"
(1.5 - 3 mm)
HR010
Figure 3I
B
HR012
Figure 3J
Capítulos
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