Allegro Industries 9846 - Manual (Page 11)

4) If there is a drop in outlet pressure:
• Check if exhaust filter housing and canister is cross-threaded or not seated firmly onto housing gasket.
o
Remove canister, inspect threads and gasket and reinstall.
• Check for dirty inlet filter element.
o
Replace if necessary.
• Check if vanes are sticking or worn out.
o
Flush pump with approved solvent.
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If unsuccessful, follow instructions under Disassembly, to check vane condition.
o
Replace if necessary.
• Check adjustment of pressure relief valve.
o
Adjust if necessary.
AIR DRIVEN PUMP:
1. If low torque or speed, or motor runs hot:
• Check for dirt foreign material, rust, or a jammed machine.
• Check for misalignment or poor lubrication.
• Check for insufficient air pressure.
o
Inspect interior of motor, remove contaminants or foreign objects.
o
Realign motor, add lubricant to inline lubricator.
o
Check source of air (compressor) for proper pressure and CFM settings and/or capability.
o
Supply airline to the motor could be too small (1/2”I.D. minimum).
• Ensure the exhaust is not restricted.
o
Clean of debris or ice formed on muffler.
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If ice has formed on muffler, check for excess moisture in air supply.
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Make sure you use muffler extension.
• If runs well, then slows down.
o
Check for proper alignment, and realign.
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Make sure the exhaust port or muffler is not restricted.
o
Make sure machine is not jammed
2. If motor won’t turn at all:
• Check for dirt, foreign material, rust, or a jammed machine.
• Check for misalignment or poor lubrication.
• Contact Allegro Technical Support Department.
WARNING!
Shut down pump and unplug before working on unit.
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