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MAINTENANCE
QTFSG/QTFSD 98349 05/15/03
4-7
TO ALIGN BELT
1. Repeat steps 1-7
8. Loosen tension on impeller drive pulley on end
of transmission jackshaft.
9. Slide pulley side to side on shaft to make proper
alignment.
10. Retighten setscrews in pulley.
11. Reverse Steps 1 –7.
MAIN BROOM BELT (Refer to Main Broom Group
in the Parts section)
The main broom belt transfers power from the rear
jackshaft to the main broom pulley. Check the belt
condition and tension every 200 hours of operation.
The main broom and vacuum impeller
automatically begin to operate when the main
broom lever is positioned in the forward end of
its slot.
REPLACING AND ADJUSTING MAIN BROOM
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.
5. Be sure main broom lift lever is in the raised
position. Remove the belt controlling rod from
rear jackshaft mount.
6. Remove belt from pulleys.
7. Install new belt and reinstall belt controlling rod.
TO ALIGN BELT
Repeat steps 1-7 under rear jackshaft (Pump Drive)
belt.
8. Loosen set screws in double pulley located on
the rear jackshaft.
9. Slide pulley side to side to align with main broom
drive pulley below.
10. Retighten setscrews in pulley.
11. Reverse Steps 1 –7.
NOTE: This adjustment may require realignment of
the rear jackshaft belt.
VACUUM IMPELLER BELT (Refer to the Impeller
Group in the Parts section)
The impeller belt transfers power from the auxiliary
motor to the impeller. Check the belt condition and
tension every 200 hours of operation.
The main broom and vacuum impeller
automatically begin to operate when the main
broom lever is positioned in the forward end of
its slot.
REPLACING AND ADJUSTING THE VACUUM
IMPELLER 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 and the side filler panel.
5. Loosen the auxiliary motor base mounting bolts.
6. Slide the auxiliary motor back and remove the
jackshaft belt.
7. Pull the auxiliary motor forward to tension the
jackshaft belt. The belt has proper tension when
the belt deflects 1/4 inch (6 mm) from a force of
6 Ibs (3 kg) applied at the midpoint of the belt.
8. While keeping the motor and jackshaft pulleys
aligned, tighten the auxiliary motor base
mounting bolts.
9. Replace the main broom belt.
10. Replace the side filler panel and the belt guard.