Service Manual

12 ZT-4400
WARNING
POTENTIAL FOR SERIOUS INJURY
Certain procedures require the vehicle engine
to be operated and the vehicle to be raised off
the ground. To prevent possible injury to the ser-
vicing technician and/or bystanders, insure the
vehicle is properly secured.
RETURN TO NEUTRAL SETTING
The return to neutral mechanism on the transax-
le is designed to set the directional control into
a neutral position when the operator removes
their hand from the control lever. Follow the
procedures below to properly adjust the return
to neutral mechanism on the transaxle:
1. Conrmthetransaxleisintheoperatingmode
(bypass disengaged). Raise the vehicle’s drive
tires off the ground to allow free rotation.
NOTE: Itmaybenecessarytoremovethe
drivetirefromtheaxlehubtoaccess
thelinkagecontrolandthetransaxle
returnarm.
2. Remove the Original Equipment Manufac-
turer’s (OEM’s) control linkage at the control
arm.
3. Start the engine and increase the throttle to
full engine speed.
4. Check for axle rotation. If the axles do not
rotate, go to Step 5. If the axles rotate, go
toStep6.
5. Stop the vehicle’s engine. Reattach and
adjust the OEM linkage according to the
OEM manual. Recheck according to Step
3 and 4. Start the vehicle engine.
6. Notetheaxledirectionalmovement.Stop
the vehicle engine. Loosen the lock down
screw (61) until the control arm (54) can
be rotated. Rotate the control arm in the
opposite direction of the wheel rotation 5
degrees. Tighten the lock down screw. Re-
check according to steps 3 and 4. Refer to
Figure 4.
Figure 4, Return to Neutral
61
54
Rotation “A” Rotation “B”