SECTION 6: TROUBLESHOOTING
VIPER DIESEL
PAGE - 28
090058-OP_r0 (AUGUST-2014)
VANAIR MANUFACTURING, INC.
(800) 526-8817 • www.vanair.com
COMPRESSOR (CONTINUED)
Excess amount of oil in air
discharge (continued)
Compressor oil level too high
The correct oil level is is to the center of the
sightglass.
Scavenger system not operating
Inspect scavenger line for obstructions or
leaks. Replace if necessary.
Coalescer element plugged or
damaged
Replace the coalescer element.
Excessive moisture in the
compressed air
Moisture accumulating in air tank
Drain water from air tank (if applicable to
installation).
System oil appears to be cloudy or
milky
Excessive moisture in system oil;
defective thermal valve
Check/replace thermal valve. Consult
factory for assistance.
6.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
Possible Cause
Corrective Action
6.3 EXTREME CONDITION
OPERATION
When operating in extreme cold or hot
conditions, in the presence of high humidity,
or at a high altitude, extra attention should be
given to any indication that could lead to a
serious problem. Engine power and
compressor air output will be reduced at high
altitude or hot ambient temperatures.
Machine review and maintenance check
schedules should be more frequent than the
normal suggestions given in the
Maintenance Schedule Tables (
Table
5.3A
, and
Table 5.3B
in
Section 5
)
.
Become acquainted with the situation-
adjusted operation approaches given in this
section before operating the power system
package in any type of extreme ambient
condition. For additional operation
information consult the Engine Operator’s
Manual, or visit the engine manufacturer’s
web site given in that manual.
6.3.1 HIGH MOISTURE CONDITION:
EMULSIFICATION OF OIL IN ROTARY
SCREW COMPRESSOR SYSTEMS
Consult the information in
Table 6.3A
for
preventative and/or repair measures. If
machine is operating in a high moisture
environment, water contamination may
persists after following the regular
preventative maintenance schedule and
standard operating procedures.
