SYMPTOM
POSSIBLE CAUSE
SOLUTION
Vacuum motor is running with little or
no vacuum to floor nozzle or hand
tool nozzle.
1.
Lid
is not secure.
1. Secure
Lid (7LID)
with
Bucket
Handle (10086).
2. Defective or missing
Lid Gasket.
2. Replace
Gasket.
(C4
:10081) /
(
C4-A
:10232)
3. Accessory hoses at back of the
machine are not connected.
3. Connect
Black (10070)
and
Gray
(10075) Hose Cuffs.
4. Debris blockage on
Screen
or
Sight Tubes
.
4. Clean
Filter Screen (10079)
, and
Sight Tubes (10177 / 10078).
5. Blockage in
Vacuum Hose
or
Vacuum Nozzle
.
NOTE:
If
Vacuum Nozzle
plugs
repeatedly the
Vacuum Hose
(10256) may be over threaded into
the
Vacuum Nozzle
. Remove
Vacuum Hose
and rethread into
Vacuum Nozzle
without over
threading.
5. First check vacuum at the
accessory hook up at back of unit. If
there is good suction at
Gray Cuff
(10075)
then the block is between
the
Black Cuff (10070)
and floor
Vacuum Nozzle
or
Hand Tool
Nozzle
. Clean
Nozzle
using lint
hook. Clean
Vacuum Hose
using
water, compressed air or a hand held
pipe snake.
NOTE:
Vacuum Nozzle
should be cleaned with a lint hook
regularly. If suction is poor at
Gray
Cuff
, the block is between the
Cuff
and
Lid
or
Lid
and
Duct (10073)
.
6. Loose
Vacuum Cuffs
.
6. Tighten
Vacuum Cuffs
. Check if
threads are sealed with silicone.
NOTE:
DO NOT over tighten. This
may cause
Vacuum Hose
to partially
block
Vacuum Cuff
, catching debris
and blocking vacuum.
ALSO:
Wipe
off any excess silicone squeezed into
hose.
7. Hole in
Vacuum Hose
.
7. If small, patch. If large, replace
Vacuum Hose
.
8. Damaged or missing
Front
(10031)
/
Rear (10002) Nozzle Clips
.
8. Replace
Nozzle Clips
. (See
Repair Manual:
Replacing Front /
Rear Nozzle Clips
).
VACUUM SYSTEM
7
Lid Filter
7
Summary of Contents for C-4
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Page 16: ...MODEL C4 PARTS DIAGRAM 15 ...
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