30
3. If an adjustment is necessary, adjust as follows:
A. Loosen the pivot nut securing the pump mount to
the pump support (Fig. 32).
1
2
3
Figure 32
1. Pump
2. Pivot nut
3. Adjusting nut
B. Loosen the adjusting nut securing the pump and
pump mount to the slotted pump support (Fig. 32).
C. Loosen the 3 capscrews securing the pulley guard
bracket to the control panel and pump support.
D. Use a pry bar to pull the pump toward the outside of
the machine until the proper belt tension is attained;
then tighten the adjusting nut securing the pump and
pump mount to the pump support (Fig. 32).
E. Tighten the pivot nut securing the pump mount to
the pump support (Fig. 32).
F. Tighten the 3 capscrews securing the pulley guard
bracket to the control panel and pump support.
Adjusting the Transmission for
Neutral
If the machine moves when the lever is released, an
adjustment to the transmission neutral is required.
1. Park the machine on a level surface, stop the engine,
and open the hood.
2. Lift the drive wheel off of the ground using a jack.
Block the front and rear of the wheels.
3. Start the engine and release the parking brake.
4. Slightly loosen the locknut on the top of the neutral
adjustment cam (Fig. 33) and rotate the cam hex until
the traction wheel stops rotating. Tighten the locknut.
2
1
3
Figure 33
1. Neutral adjustment cam
2. Locknut
3. Switch tab
5. Move the traction bail completely up and down. Release
the handle and check for wheel rotation. If the wheel
continues rotating, repeat step 4.
6. If the problem continues, stop the engine, check the
linkage for binding or damage, then do the adjustment
procedure again.
7. Set the hole spacing control in the lowest setting (to the
left) and move the transport/aerate switch to the aerate
position (transport tires retracted). Loosen the 2 screws
and adjust the switch tab (Fig. 33) so that the switches
are actuated when the pump control is in neutral and not
actuated when the pump is stroked.
8. Move the ignition switch to the ON position, but do not
start the engine. Move the traction bail in both
directions; the red traction light should come on. Repeat
step 7 if the light does not come on when the bail is
moved in both directions. The second limit switch must
simultaneously activate when the red traction light is
OFF. This switch enables the engine start circuit.
Adjusting the Aeration Speed
1. Park the machine on a level surface, stop the engine,
and open the hood.
2. Put the speed control lever (Fig. 34) into the second slot
from the left (while facing the control panel).
3. Lower the machine into aerate mode so that the
transport wheels are off of the ground.
4. Lift the drive wheel off of the ground using a jack.
5. Start the engine and release the parking brake.
6. Operate the engine at full speed.
7. Move the traction handle UP to full speed.
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