69
MAINTENANCE
INDICATIONS AND CORRECTIONS
PROBABLE CAUSES
Beltswithout tension do not activate the pump.
1 - Loosen belts.
Check for damaged hoses, filter packing rings, etc., and repair if
necessary.
2 - Air in the intake system
Checl the regulator components and clean or replace if necessary.
3 - Pressure regulator.
c - PRESSURE OSCILATION
PROBABLE CAUSES
INDICATIONS AND CORRECTIONS
When the pump runs, liquid will pass through the valve even in closed
position, however flow will be insufficient.
Valve with sealing deficiency or stuck due to impurities.
1 - Valve closed
d - INTERMITTENT PRESSURE
2 - Pump valve deficiency
TROUBLE-SHOOTING
3 - Pump head perforated internally.
Replace it.