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QTFSG/QTFSD 98349 05/15/03
4-11
HOPPER SEALS
The hopper seals prevent dust from exiting around
the hopper where it meets the broom chamber.
There are two side hopper seals and one upper
hopper seal. These seals should be inspected for
wear or damage daily. When correctly adjusted, the
two hopper side seals should clear the floor by 0 to
1/8 inch (0 to 3mm).
REPLACING THE HOPPER SEALS
1. Park the machine on a smooth, level floor.
2. Raise the hopper and engage the hopper safety
arm.
Raised hopper may fall. Engage hopper safety
arm.
3. 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.
4. Remove the retaining bolts and retaining bar.
5. Replace the worn hopper seal with a new seal.
6. Install the retaining bar and bolts.
7. Adjust the hopper side seals.
ADJUSTING THE HOPPER SIDE SEALS
1. Park the machine on a smooth, level floor.
2. Raise the hopper and engage the hopper safety
arm.
Raised hopper may fall. Engage hopper safety
arm.
3. 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.
4. Loosen the three adjustment bolts.
5. Adjust the hopper side seals for correct floor
clearance, then tighten the adjustment bolts.
6. Connect the batteries and lower the hopper.
HOPPER LIP SKIRTS
The hopper lip skirts seal the area between the lip of
the hopper and the floor. They also help deflect
debris into the hopper. The lip skirts should be
inspected for wear or damage daily. The lip skirts do
not require adjustment. They should be replaced
when the lower edge is worn down to the “Perform
Alert™” wear indicator line.
REPLACING THE HOPPER LIP SKIRTS
1. Empty the debris hopper.
2. Park the machine on a smooth, level floor.
3. Raise the hopper and engage the hopper safety
arm.
Raised hopper may fall. Engage hopper safety
arm.
4. 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.
5. Remove the retainer plate on the right side of
the hopper.
6. Loosen the four lip skirt retaining bolts.
7. Slide the four hopper lip skirts out of the retainer
plate.
8. Slide the new hopper lip skirts into place.
9. Tighten the retaining bolts and replace lip skirt
retainer.