8-9: Systems Troubleshooting
VaCUUM SySteM
1. Weak vacuum at wand. the gauge reads normal.
possible Cause
Solution
1.1. Blockage in the
hoses or wand tube
Disconnect the hoses and check for an obstruction.
1.2. excessive length of
hose connected to the
truckmount
Do not attach excessive lengths of hose.
2. Weak vacuum
possible Cause
Solution
2.1. Air leak somewhere
in the vacuum system
Check the vacuum relief valve for proper adjustment.
Carefully check all the vacuum hoses for a cut or break.
Check the recovery tank lid gasket.
Make sure the recovery tank drain valve is fully closed.
2.2. The vacuum blower
is turning too slowly.
Check the rpm of the engine. Adjust as necessary to
3,000 rpm under a 12" Hg. vacuum load.
2.3. The vacuum gauge is
defective.
Test the gauge and replace if necessary.
3. the vacuum gauge reads too high with no hoses attached
possible Cause
Solution
3.1. The filter in recovery
tank is clogged.
Remove and clean or replace as necessary.
3.2. The hose from
recovery tank to the
vacuum blower is
collapsed internally.
Inspect and replace as necessary.
4. excessive noise produced by the blower
possible Cause
Solution
4.1. The blower is low on
oil.
Inspect the oil levels and replenish as necessary. Note:
Running the blower with low oil levels can cause severe
damage. If this situation occurs the blower should be
inspected by a qualified service technician.
4.2. The vacuum blower
has internal damage.
Refer to a qualified service technician.
Содержание BoxxerXL
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Страница 97: ...9 9 Assemblies and Parts Lists Figure 9 6 Chemical Jug Tray Assembly 610 015 040 Rev B...
Страница 99: ...9 11 Assemblies and Parts Lists Figure 9 7 Frame Assembly 610 001 727 Rev B...
Страница 102: ...9 14 Assemblies and Parts Lists Figure 9 9 Blower Assembly 610 002 727 Rev B...
Страница 104: ...9 16 Assemblies and Parts Lists Figure 9 10 Engine Assembly 610 004 727 Rev A...
Страница 106: ...9 18 Assemblies and Parts Lists Figure 9 11 Blower Heat Exchanger Assembly 610 005 727 Rev D...
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Страница 122: ...9 34 Assemblies and Parts Lists Figure 9 22 Diverter Valve Actuator Assembly 610 014 727...
Страница 124: ...9 36 Assemblies and Parts Lists Figure 9 23 Diverter Valve Box Assembly 000 169 230 Rev C...
Страница 126: ...9 38 Assemblies and Parts Lists Figure 9 24 Dash Assembly Part 1 of 2 610 018 727 Rev B...
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