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10/7/02
Page 7-1: Vacuum System
Boxxer 421
Vacuum System
T
he vacuum pump in this machine is commonly referred to as a ‘positive dis-
placement lobe’ type blower. The performance and life of this unit is greatly
dependent on the care and proper maintenance it receives.
Because of the close tolerances between the lobes and housing of the vacuum blower,
solid objects entering the inlet will damage the internal lobes, gears, bearings or drive
system.
To prevent this, a stainless steel filter screen has been placed at the vacuum inlet
inside the vacuum recovery tank. This stainless steel screen is ‘finger’ tight and
should be removed for cleaning weekly.
Caution should be used when machine is being run for test purposes and the
vacuum inlet on top of the machine is open.
To protect the vacuum blower from overloading and damaging itself, there is a vacuum
relief system installed on the vacuum tank. When the vacuum tank inlet is completely
sealed off, a maximum of 12 HG will be attained.
At the end of each day, an oil based lubricant should be sprayed into the blower
lubrication port before shutting down the machine. Lubricate the vacuum blower
daily
to prevent rust deposits and moisture that will decrease the life of the vacuum blower.
Foam passing through the blower could lead to serious problems.
It is important to keep the vacuum tank foam free.
Read the vacuum blower manual carefully for proper oil change and grease applica-
tion. The maintenance log may differ slightly from the manual, but the truck-mounted
carpet cleaning machine application is very demanding of the vacuum blower and
therefore it should be maintained more regularly.
Содержание Boxxer 421
Страница 28: ...Page 8 23 Electrical System Boxxer 421 Figure 1 4 Hard Water Map...
Страница 31: ...Page 2 3 Cleaning and Chemicals Boxxer 421...
Страница 52: ...HydraMaster Corporation Page 6 6 High Pressure Pump Boxxer 421 Figure 6 2 HydraPump II C5043 Rev...
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Страница 76: ...Page 8 2 Electrical System Boxxer 421 Figure 8 1 Wiring Schematic D 5149 Rev H...
Страница 77: ...Page 8 3 Electrical System Boxxer 421 Figure 8 2 Wiring Schematic D 5148 Rev H Sheet 2...
Страница 78: ...Page 8 4 Electrical System Boxxer 421 Figure 8 3 Wiring Schematic D 5148 Rev H Sheet 3...
Страница 79: ...Page 8 5 Electrical System Boxxer 421 Figure 8 4 Wiring Schematic D 5148 Rev H Sheet 4...
Страница 84: ...Page 9 5 Water and Chemical Boxxer 421 Figure 9 2 Wiring Schematic D 5150 Rev Sheet 1 3...
Страница 85: ...Page 9 6 Water and Chemical Boxxer 421 Figure 9 3 Wiring Schematic D 5150 Rev Sheet 2 3...
Страница 86: ...Page 9 7 Water and Chemical Boxxer 421 Figure 9 4 Wiring Schematic D 5150 Rev Sheet 3 3...
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Страница 104: ...Page 11 1 Machine Assemblies and Parts List Boxxer 421 Machine Assemblies and Parts Lists...
Страница 124: ...Page 11 21 Machine Assemblies and Parts List Boxxer 421 Figure 11 18 Fuel Pump Assembly B 4627 Rev...
Страница 159: ...Page 12 1 Chemical Wand Parts Boxxer 421 Cleaning Wand Parts Figure 12 1 HydraHoe Two Jet Cleaning Wand Assembly...
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