Page 12 of 17
Open the master air valve from the compressor.
Open the dispensing valve into a grounded metal waste container, making firm metal-to-metal
contact between the container and valve. Open the bleed-type master air valve and open the
pump air regulator slowly, just until the pump is running. When the pump is primed and all air has
been pushed out of the lines, close the dispense valve.
If you have more than one pump, repeat this procedure for each pump.
Set the air pressure to each pump at the lowest pressure needed to achieve desired results.
Relieve pressure before you check or service any system equipment.
Troubleshooting
Problem
Possible Cause
Corrective Action
Pumps fails to
operate
Inadequate air supply pressure or
restricted air lines
Increase air supply and/or
clear restriction
Closed or clogged control valves
Open and/or clean
Clogged fluid line, hose, valve, or
other accessory
Relieve pressure
Clear obstruction
Damaged air motor
Assess damage and service air
motor
Exhausted fluid supply
Refill and re-prime or flush
Continuous air
exhaust
Worn or damaged air motor
gasket or seal
Assess wear or damage, and
service air motor
Erratic pump
operation
Exhausted fluid supply
Refill and re-prime or flush
Worn pump seals
Replace pump seals
Damaged hose
Replace hose
Pump operates but
output low
Worn piston seal
Replace piston seal
Worn seals
Replace seals
Clogged fluid line, hose, valve, or
other accessory
Relieve pressure
Clear obstruction
Leaking from
muffler plates
Worn throat seal
Replace throat seal
Содержание 58267
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