Prochem Blazer GT Manuale Utente Pagina 29

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27
Operations
Vacuum System
The engine turning the vacuum pump generates
vacuum. The air is channeled in one side of the
vacuum pump, compressed and discharged on the
opposite side, creating airflow.
The movement of air is used to do the work necessary
for the extraction process. A vacuum nozzle applied to
the carpet surface removes moisture, dirt and spent
chemicals. These elements are conveyed back to a
separating tank utilizing hoses and the force of air.
Particles of moisture and dirt are separated in the
vacuum tank using a series of changes in direction and
velocity. The air is then filtered and rushes into the
vacuum pump.
The vacuum pump compresses and heats the incoming
air. The hot discharged air is forced down stream into a
silencer for noise abatement. After exiting the silencer,
this hot air is mixed with hot air exhaust gases from the
engine. This mixture of hot air and gases are then
forced through 2 radiators serving as heat collectors.
Heat from the engine and vacuum pump is then trans-
ferred into the plumbing system raising the water
temperature for better cleaning.
The vacuum pump speed is factory set to maximize
vacuum pressure and provide sustained system life.
Do not alter the vacuum speed outside the recom-
mended range shown in the Technical Specifications
section.
86317260 BLAZER GT
VACUUM
PUMP
VACUUM
SILENCER
VACUUM
RELIEF
VALVE
LEVEL SENSOR
(ENGINE SHUT-OFF SWITCH)
FILTER
HOT AIR TO
HEAT EXCHANGER
VACUUM
INLET
STRAINER
WASTE TANK
LUBRICATION
CUP
VACUUM
GAUGE
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