Ferris Industries DDSKAV15CE Lawn Mower User Manual


 
27
Troubleshooting, Adjustment & Service
TRANSMISSION NEUTRAL &
TRACKING ADJUSTMENTS
Neutral Adjustment
1. Park the machine on a smooth, level surface such as
a concrete floor, away from bystanders and prefer-
ably facing a wall. Disengage the PTO, engage the
parking brake, turn off the engine, and remove the
ignition key.
2. Chock the front caster wheels. Raise the drive
wheels off the ground and secure the machine with
jack stands.
3. Start the engine and adjust throttle control to SLOW
(lowest setting). See the
STARTING THE ENGINE
section for proper starting instructions.
4. Disengage the parking brake.
5. Using a 1/2 deep socket, SLOWLY turn the adjust-
ment nut COUNTER-CLOCKWISE until the drive tire
begins to rotate forward.
6. SLOWLY turn the adjustment nut CLOCKWISE until
the drive tire begins to rotate backwards.
7. Set the adjustment half way in between where the
forward and backwards rotations began.
8. Adjust the throttle control to FULL (highest setting).
Cycle the speed control lever and neutral return
pedal several times to insure and accurate adjust-
ment has been made.
Tracking Adjustment
Before making a tracking adjustment, be sure to check
the following:
Drive tires are inflated to 15 psi (103 kPa).
Caster tires are inflated to 25 psi (172 kPa), are
greased and turn freely.
All controls are free from damage and operate freely.
Machine is at full operating temperature.
Make sure the machine is in neutral when the foot
pedal is depressed. If not, adjust neutral as
described above.
If Machine Veers to the LEFT:
1. Turn the LEFT adjustment nut 1/8 - 1/4 turn
COUNTER-CLOCKWISE.
2. Turn the RIGHT adjustment nut 1/8 - 1/4 turn
CLOCKWISE.
3. Drive machine on a flat, level surface to test and
repeat steps 1 & 2 as necessary.
If Machine Veers to the RIGHT:
1. Turn the RIGHT adjustment nut 1/8 - 1/4 turn
COUNTER-CLOCKWISE.
2. Turn the LEFT adjustment nut 1/8 - 1/4 turn
CLOCKWISE.
3. Drive machine on a flat, level surface to test and
repeat steps 1 & 2 as necessary.
A
B
Figure 29. Neutral & Tracking Adjustment Points
A. Left-Hand Adjustment
B. Right-Hand Adjustment