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QTFSG/QTFSD 98349 05/15/03
4-6
TRANSMISSION JACKSHAFT BELT
The transmission belt transfers power from the
engine to the transmission jackshaft on the gasoline
machines and from the engine jackshaft to the
transmission jackshaft on the diesel powered
machines.
TO REPLACE BELT
1. Turn off machine and set parking brake.
FOR SAFETY: Before leaving or servicing machine,
stop on level surface, apply parking brake, turn off
machine and remove key.
2. Raise rear cover.
3. Disconnect batteries from machine.
4. Remove the belt guard cover.
5. Remove the tension spring for the idler on the
transmission drive belt. Loosen tension on
impeller belt.
6. Loosen, but do not remove the four bolts in the
base of the shaft mounting bracket.
7. Slide mounting bracket toward engine to create
slack in the belt.
8. Loosen, but do not remove 4 bolts in the bases
of the rear jackshaft mount and pump mount
bracket.
9. Loosen tensioning nut and bolt on the rear of
rear jackshaft mount. Slide rear jackshaft mount
away from engine.
10. Remove the bolts retaining the bearings on
transmission jackshaft.
11. Lift the jackshaft and bearings from the mount
and remove the transmission drive belt, then the
transmission jackshaft belt.
12. Remove the bolts retaining the bearing on the
rear jackshaft. Remove the belt controller rod.
13. Loosen bearing collars on rear jackshaft
bearings.
14. Remove first the main broom belt, then the
pump drive belt.
15. Slide the rear jackshaft outward to disengage
the pump coupling, then lift the shaft up to
remove drive belt in reverse order.
16. Reinstall belt in reverse order.
ADJUSTING THE JACKSHAFT BELT
Proper alignment is important for all belts on
Tracer machines. To properly align the
transmission jackshaft belt:
Repeat Steps 1-8 from above then:
9. Move the transmission jackshaft belt off its
pulley and loosen the setscrew in the pulley.
10. Using a straightedge between the pulleys to be
aligned, move the pulley left or right on it’s shaft
until proper alignment is established.
11. After this adjustment, check the transmission
belt alignment.
12. Reverse steps 1-8.
13. If jackshaft belt idler pulley does not center on
belt, adjust by adding or removing washers
behind the idler pulley.
TRANSMISSION BELT
The transmission belt transfers power from the
transmission jackshaft to the transmission.
TO REPLACE BELT
1. Repeat steps 1-10.
11. Lift the jackshaft and bearings from the mount
and remove the transmission belt off the end of
shaft.
REAR JACKSHAFT (PUMP DRIVE) BELT
The rear jackshaft belt transfers power from
transmission jackshaft to rear jackshaft.
TO REPLACE BELT
1. Turn off machine and set parking brake.
FOR SAFETY: Before leaving or servicing machine,
stop on level surface, apply parking brake, turn off
machine and remove key.
2. Raise rear cover.
3. Disconnect battery from machine.
4. Remove the belt guard cover.
5. Remove belt controller rod from rear jackshaft
mount and take main broom drive belt off double
pulley located on rear jackshaft.
6. Loosen, but don’t remove 4 bolts in base of rear
jackshaft mount and pump mount.
7. Loosen tensioning nut and bolt at rear jackshaft
mount, and slide mount away from engine.
8. Remove rear jackshaft belt.