Pneumax 120-60-DS, Руководство по установке

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Pneumax CAFS "DS" Series Installation Guide
Page 21 of 40
Observed Symptom Probable cause Suggested fix
Engine stalls upon
compressor engagement
Engaging compressor while
under load
Running system without
flowing air causes oil to
accumulate in compressor
acting like hydraulic pump
Underrated engine
horsepower
Auto Sync in FIXED/RUN
setting
High oil level
Compressor locked up
Allow compressor to bleed down
before re-engagement
Bleed down air, restart compressor,
and move air
Raise engine RPM
Engage in AUTO/UNLOAD, then
switch to FIXED/RUN
Check oil level, adjust level to half of
the sight glass with vehicle parked on a
level surface
Repair/replace compressor
Compressor locked up
High oil level
(compressor is flooded)
Sump fire
Low oil level or no oil
Check oil level, adjust level to half of
the sight glass with vehicle parked on a
level surface
Check system and repair
Check system and repair
Air flow meter stuck at "0"
CFM
Air flow meter stuck at high
CFM
Magnet uncoupled in meter Turn air flow on and off to re-couple
Move large amounts of air out
discharge and turn air flow on and off
to re-couple
Using wetting agent and not
foam concentrate.
Foam proportioning control
turned too low.
Foam proportioning control
OFF or turned too low, foam
tank empty.
Use foam concentrate
Increase amount of concentrate
delivered
to manufacturer recommended
amount.
Make sure proportioner is turned on,
foam supply valve is open, foam tank
has concentrate, Y strainer is clean,
supply line is connected to injector.
Poor foam (wet or dry) or no
foam (assuming air pressure
to discharges is OK)
Discharge hose shaking (slug
flow)
Foam proportioner ON,
setting correct, and tank has
foam concentrate, but not
providing foam solution. Refer to foam proportioner
manufacturer's instructions for detailed
calibration and troubleshooting
instructions