SERVICE
Service - 60
changing the neutral setting, it is possible that
the power unit will not start, due to the neutral
switch being out of adjustment. Refer to the neu-
tral switch adjustment section for procedure on
correctly setting the neutral switch position.
17. Engage the parking brake and shut off the engine.
18. Reinstall the pump cover onto the power unit.
19. Remove the weight from the power unit seat.
20. Remove the power unit from the jack stands or
supporting blocks and return to the ground.
Neutral Switch Adjustment
1.
WARNING
An improperly adjusted neutral switch can result in
erratic engine cranking or unsafe power unit move-
ment. Check the neutral switch position anytime an
adjustment is made to the neutral position.
Park the power unit on a level surface.
2. Engage the parking brake and shut off the engine.
3. Remove the key from the ignition switch.
4. Remove the pump cover from the power unit.
5.
WARNING
The parking brake must be disengaged as part of
the adjustment procedure. Park the power unit on
a level surface and place wheel chocks in front
and back of wheels to prevent the power unit from
rolling forward or backward.
Place wheel chocks in front and back of wheels
to prevent power unit from rolling.
6. Disengage the parking brake.
7. Turn the ignition key to the key switch’s Run
position to activate the electrical system, but do
not start the engine.
A
8. Open the power
unit’s hood and
locate the trac-
tor control module
(TCM) The neutral
switch input light
(A - 2nd light down
from the top on the
left side of the TCM)
will be used as an
indicator for when the
neutral switch is on
or off.
9. Measure the
B
C
distance between
the front frame
(B) and the pump
arm (C) and
record for refer-
ence.
10. Move the SDLA
lever slowly in
the forward
direction while
watching the
neutral switch
input light. When
the light goes
out, stop the
SDLA lever and
measure the
distance
between the front frame and the pump arm. This
measurement should be a minimum of 1/32” (.8
mm) less and a maximum of 1/16” (1.6 mm) less
than the measurement taken in step 9 (ex. if
measurement in step 9 was 4” (101.6 mm), the
measurement when the light goes out must be
between 3-31/32” (100.8 mm) and 3-15/16” (100
mm)).
NOTE: it may be helpful to have an assistant to
take the measurements.
D
11. If the measurement is not
within the specified range,
adjust the neutral switch
mount (D) by loosening the
two mounting bolts and slid-
ing the mount in the neces-
sary direction. Tighten the
switch mount hardware to
100 in-lbs (11 Nm).
12. Repeat steps 10 and 11 as needed until the
measurement is within the specified range.
13. Turn off the key switch and close the engine hood.
14. Engage the parking brake.
15. Reinstall the pump cover onto the power unit.
16. Remove the wheel chocks.
17. If you are unsure of the correct procedure to
adjust the neutral switch, or if you are unable
to attain the correct setting, contact your autho-
rized Ventrac dealer for assistance.
