Scag Power Equipment STT-31BSD - Manual (Page 25)

Section 6
21
B. The steering control levers are in the full forward
position and the mower pulls to one side or the
other when traveling in a forward direction.
(Tracking Adjustment, See Page 22).
Neutral Adjustment
1. Be sure the dump valve levers are in the run position
and the steering control levers are in the neutral lock
position.
2. With an operator in the seat, start the engine and
disengage the parking brake.
3. Run the engine at full operating speed and check if the
machine creeps forward or backwards.
Figure 6-3. RH Steering Control Rod Adjustment
4. Adjust the RH wheel by loosening the jam nuts on
the steering control rod and turning the rod until the
drive wheel turns in the forward direction. Turn the
rod back until the drive wheel stops moving. Turn
the rod an additional 1/2 turn. (See Figure 6-3).
5. Tighten the jam nuts and repeat for the LH wheel.
(See Figure 6-4).
6. Actuate the steering control levers forward and
reverse several times and return them to the neutral
position.
7. Check that the drive wheels remained in neutral and
readjust if necessary.
8. Check that the steering control levers hit the stop
before the pumps reach full stroke. Adjust as needed.
Figure 6-4. LH Steering Control Rod Adjustment
2KBSGRHCRA
LOOSEN HERE
ADJUST HERE 2KBSGLHCRA
LOOSEN HERE
ADJUST HERE
390S0149-1
CONTROL
ROD
LOOSEN
HERE
390S0147-1
LOOSEN
HERE