8-11: Systems Troubleshooting
5.0 The vacuum blower is locked and will not turn
Possible Cause Solution
5.1 Truckmount has been
inactive for a period of
time and the blower was
not properly lubricated
prior to nal shutdown.
Rust has possibly built up
on the internal surfaces.
Spray penetrating oil into the blower and let sit for
at least 1 hour. Then very carefully use pipe wrench
on the outer diameter of the pulley on the coupler
to attempt to free lobes of the blower. Do not use a
wrench directly on the blower shaft.
If unable to free up the blower in this manner, refer to
a qualied service technician.
5.2 There is internal damage
to the blower.
Refer to a qualied service technician.
6.0 Water in truckmount exhaust
Possible Cause Solution
6.1 The recovery tank has
been lled with foam or
overlled with water.
Inspect the recovery tank. If full, drain the tank.
Inspect the high level shutoff switch for proper
operation. Clean or replace the switch as necessary.
If foam is in recovery tank, use defoamer on the
carpet being cleaned.
6.2 Condensation in system. This will be more common in cool weather and humid
climates. If this is the cause, it should dissipate after
a few minutes of running.
6.3 The heat exchanger is
leaking water.
Inspect and repair or replace as necessary.
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