GA-160 Operation & Maintenance Manual
Page 4 of 8
2.3 TROUBLESHOOTING GUIDE:
GA-160, GAS AMPLIFIER TROUBLESHOOTING GUIDE
(Refer to enclosed Exploded View Drawings)
SYMPTOM PROBABLE
CAUSE(S)
REMEDY
Pump will not cycle.
No pressure at output.
No air supply to pump.
Pump
air regulator supply set
too low.
Look for and fix.
Increase setting.
Pump will not cycle with
regulated pressure
at
output.
Four-way Air reciprocating
valve spool stuck at mid-
position.
After trying remedy above,
spool still sticks:
Disconnect/Reconnect air
supply
(Re-sets air spool to end
position.)
Disassemble air valve
assembly
Inspect for contamination
or mechanical bind. Repair
or replace, lubricate seals
with water-proof grease.
Pump makes one cycle,
then stops.
Faulty item 24
"2-way
air
valve"
(Broken, leaks or
contaminated).
Repair or replace.
Pump cycles constantly
when "dead-headed".
External leak at pump or
downstream
high pressure circuit.
Stuck open or contaminated
item 6
"Check Valve" cartridge (4
places).
Internal leak in pump.
Look for and correct.
Clean or replace. Note
valve orientation at
assembly.
Check all dynamic and
static seals
and gaskets. Replace if
necessary.
For further assistance call INTERFACE DEVICES, INC. at 203/878-4648.
