PL-MANW
Rev.B, Nov’20
- 12 -
Condition:
Cause:
Suggested Correction:
E. Appearance of Water in
the Air Lines and/or Oil
‘milky’ in Colour.
Tank is not being drained regularly.
Unit is not being used enough to burn off
any water in the Pump.
Drain the Tank on a daily basis. Purchase a
Tank Autodrain if required.
If using the Unit very infrequently, run for 30
minutes when used to burn off water.
An oil/water mixture can cause premature
issues with the Pump. Check the oil regularly
and change more often then suggested in the
Maintenance Schedule.
F. Compressor Over-
heating.
Undersized Unit for air requirements.
Dirt accumulation on outside of Pump.
Compressor too close to building
wall/obstructions.
Pump rotating in wrong direction.
Air leaks on Unit or in air lines.
Non-ventilated Room.
Improper level or type of oil in Pump.
Worn or carbonned Valves in Cylinder Head,
Aftercooler Tube, or Check Valve.
Maximum operating time, based on an 8 hour
day, is 75% to 80%, which related to 45 minutes
per hour.
Clean Pump.
Move Compressor so Beltguard is a minimum of
18” away from nearest obstruction. See Page 2.
Correct rotation of the Flywheel. See Page 8.
Fix leaks. Soap/water mixture will assist in
finding small leaks.
Require fresh air ducting and ventilation.
Refer to ‘Lubrication’ on Page 6.
Clean or replace as required.
G. Belts Roll Off Motor
Pulley and/or Flywheel.
Flywheel and Motor Pulley are not aligned.
If two or more Belts are used, Belts may not
be matched set.
A nick or tear on the edge of a belt.
Belts do not match the Flywheel/Pulley
groove (such as ‘A’ or ‘B’ section).
Align using a straight edge.
Purchase a new set of matched belts.
Purchase a new set of matched belts.
Purchase a new set of Belts, paying close
attention to ‘A’ or ‘B’ section requirement.
H. Unloader Does Not
Function, or Leaks When
Unit Operating.
Unloader may be dirty or faulty.
If using a CPR, the Pump may not be
turning fast enough for CPR Valve to close.
Minimum rpm for CPR Valve to close is 500
rpm.
Clean, repair, or replace.
Ensure the Pump is operating at a minimum of
500 rpm.
I. Unloader Leaks
Constantly When Unit is
Not Operating.
The Disc inside the Tank Check Valve is not
seating properly, allowing the compressed
air in the Tank to escape.
Clean or replace the Check Valve as required.
