Generac Power Systems C20 Owner's Manual page 17

Maintenance and Troubleshooting
PROBLEM
Pump shuts 1. No fuel.
down during
operation. 2. Low oil sensor shuts down unit.
Oil leakage 1. Engine failure.
at muffler or 2. Engine overfilled with oil.
air cleaner.
Chemical 1. Damaged mechanical seal.*
leakage
between
engine and
pump.
* Mechanical seal damage may be caused by normal wear, overheating, or pumping
incompatible fluids or running pump without liquid.
** Excessive impeller wear is primarily due to cavitation. Causes include restricted suction and
excessive suction lift.
*** Total suction head should not exceed 26 ft (8 m).
Owner's Manual for Chemical Pump
CAUSE CORRECTION
1. Allow engine to cool for 2 minutes,
then fill fuel tank.
2. Make sure unit is on flat surface.
Check oil level and add more if
necessary.
1. Repair or replace.
2. Correct oil level.
1. Replace mechanical seal.*
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