Ariens 991086 Lawn Mower User Manual


 
EN - 25
5. Move the steering levers from Forward
to Reverse several times to make sure
controls are free. Then return steering
levers to neutral position.
6. Check wheel(s) for movement.
NOTE: The right and left hydraulic pumps are
adjusted the same way.
7. If a wheel moves, adjust the return to
neutral mechanism on the hydraulic
pump:
a. Loosen the return to neutral screw
on the pump.
b. Slowly move the speed and
direction control bracket clockwise
or counterclockwise until the
wheel stops moving.
c. Hold the stop bracket in position
and tighten the return to neutral
screw on the pump.
8. Move steering levers from Forward to
Reverse several times and return
steering levers to neutral position.
Check wheel(s) for movement.
9. If wheel is still moving, repeat steps 7
and 8.
10. Shut OFF engine.
11. Replace drive wheels.
Aligning the Steering Levers
(Figure 13)
1. Shut OFF engine. Engage parking
brake. Remove the ignition key.
2. Place seat in the service position (See
Service Position on page 20).
3. Loosen brake interlock on the same side
as steering lever to be adjusted.
4. Loosen tie rod jam nuts and turn tie rod
until steering levers are aligned.
5. Tighten jam nut on tie rod, tighten brake
interlock.
ADJUSTING THE UNIT TO TRACK
STRAIGHT
Check and adjust tire pressure. Increase
pressure on side unit tracks to. DO NOT
exceed maximum recommended tire
pressure (See Specifications on page 33).
If tire pressure adjustment does not solve
tracking problem, adjust the limiter bolts on
the stop bracket (Figure 13). Front bolts
adjust forward and rear bolts adjust reverse.
Lengthen the limiter bolt (move closer to
lever) on side which is too fast.
Figure 12
Axle Direction
Return to Neutral
Adjusting Screw
Speed and
Direction
Control Arm
WARNING: Prior to adjusting the
tracking of the unit, shut OFF
engine, engage parking brake,
and remove the ignition key.
1. Tie-Rod Jam Nut
2. Tie-Rod
3. Steering Lever
4. Brake Interlock
5. Hydrostatic Transmission
Figure 13
1
2
3
4
5
1