Tennant 235, Operator'S Manual

Page: 67 / 82

MAINTENANCE
3-31
235 MM166 (3--94)
DEBRIS HOPPER AND DUST FILTER
DEBRIS HOPPER
The debris hopper collects debris swept by the
machine and should be dumped after every work
shift. The hopper floor clearance should be
checked and adjusted periodically.
TO CHECK AND ADJUST HOPPER FLOOR
CLEARANCE
1. Empty the hopper and park the machine on
a smooth, level surface.
2. Lower the hopper.
3. Stop the engine and set the machine
parking brake.
FOR SAFETY: Before Leaving Or Servicing
Machine; Stop On Level Surface, Set Parking
Brake, Turn Off Machine And Remove Key.
4. Check the hopper bumper to machine frame
match. They should line up within 0.12 in
(5 mm). Adjust by repositioning the stop
bolts on the frame above the front wheels.
B
A
03372
BUMPER STOP BOLT
A. Frame
B. Stop Bolt
5. Check the distance between the floor and
the bottom metal edge of the hopper. The
floor clearance should be 1 in (25 mm)
across the width of the machine. To adjust
the hopper floor clearance, unlatch and
remove the filter cover and adjust the
hopper stop bolt.
B
A
C
03387
HOPPER STOP BOLT
A. Hopper
B. Stop Bolt
C. Lintel
6. Replace the filter cover and check the
hopper cover seal. It should be slightly
compressed.
THERMO SENTRY
t
The Thermo Sentry
t
stops the machine
vacuum and closes the hopper door in case of a
fire in the hopper. Check to make sure the
Thermo Sentry
t
is operating properly after
every 100 hours of operation.
TO CHECK THE THERMO SENTRY
t
1. Stop the engine and set the machine
parking brake.
FOR SAFETY: Before Leaving Or Servicing
Machine; Stop On Level Surface, Set Parking
Brake, Turn Off Machine And Remove Key.
2. Unlatch the filter cover latches and remove
the filter cover.
3. Place the vacuum lever in the “Normal
Sweeping”position.