Blower - Walinga Grain-Vac 7614F Operator's Manual

6.4 BLOWER

PROBLEM
Low air volume.
Overheating.
Engine overloading.
CAUSE
Slow speed.
Piping blocked.
Excessive pressure rise.
Worn components.
Inadequate lubrication.
Excessive lubrication.
Excessive pressure rise.
Coupling misalignment.
Speed too high.
Pressure too high.
Impellers rubbing.
7614F Grain-Vac Operator's Manual 34-100853-6
SOLUTION
Check blower speed with tachometer.
Increase speed.
Check for slipping belts. Adjust the
belt tension as required.
Check inlet and outlet piping.
Remove obstruction.
Check relief valves. Clean, repair or
replace as required.
Check inlet vacuum and discharge
pressure and compare with
recommended conditions. Determine
the cause before continuing.
Check the clearance and replace
the defective components. Refer to the
Blower Manual.
Check oil level in reservoirs. Add oil
as required.
Check oil level. Correct as required.
Adjust operating conditions to reduce
pressure rise to below 10 psi.
Check and realign.
Check and decrease the speed to the
recommended RPM.
Adjust operating conditions to set
pressure rise to below 10 psi. Add
more air.
Consult your nearest dealer.
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