Systems Troubleshooting: 8-10
VACUUM SYSTEM
1.0 A 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.
2.0 A 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
3,200 rpm under no vacuum load.
2.3 The vacuum gauge is
defective.
Test the gauge and replace if necessary.
3.0 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.
4.0 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.
Summary of Contents for Truckmount to Go TMTG 4000
Page 2: ......
Page 5: ...iii TMTG 4000 Owner s Manual ...
Page 31: ...3 5 Cleaning Information ...
Page 33: ...3 7 Cleaning Information 16 2 Evolution Flood Wand Item 000 163 058 Only 6 8 lbs ...
Page 58: ...6 3 Water and Chemical System Figure 6 1 Flow Diagram View 1 of 3 000 179 038 Rev A ...
Page 59: ...Water and Chemical System 6 4 Figure 6 2 Flow Diagram View 2 of 3 000 179 038 Rev A ...
Page 124: ......