To Adjust Propel Neutral - Tennant ATLV 4300 Service Manual

TO ADJUST PROPEL NEUTRAL

FOR SAFETY: Before Leaving Or
Servicing Machine; Stop On Level
Surface, Set Parking Brake, turn off
machine, and remove key.
1. Open the hopper cover and tilt the hopper
back.
2. Open the top engine cover.
3. Remove the five pan screws holding the rear
engine cover to the machine. Remove the
cover.
NOTE: The rear wheels must be off the ground
when adjusting the neutral centering.
4. Place blocks in front and back of the front
tires.
5. Jack up the rear of the machine at the
indicated jack points. Install jack stands
under the machine frame.
6. Locate the propel pump directional arm hub
on the back side of the pump.
7. Loosen the two outside hex screws on the
hub. DO NOT loosen the cap screw in the
center of the hub. Place an allen wrench in
the cap screw (this will be used to rotate the
hub).
8. Start the machine and observe the rear tires.
If they are not turning----no adjustment is
needed and the hardware can be tightened.
If the tires are rotating----an adjustment is
needed. Go to the next step.
9. Rotate the allen wrench until the tires are
stationary. Hold the allen wrench so the hub
does not move. Tighten the two outside hex
screws. Re--observe the rear tires for
rotation. Repeat step if necessary.
10. Lower the machine and reinstall the rear
engine cover.
11. Operate the machine and check the propel
for proper operation.
ATLV 4300 330495 (10- -98)
CHASSIS
2-27