Flexzilla
Electric Operated, Piston Compressors
9
5. Keep all body parts and any hand-held
tools or other conduc ve objects away from
exposed live parts of the electrical system.
When making repairs or adjustments, stand
on a dry, insulated surface and DO NOT con-
tact any other por on of the compressor.
6. DO NOT leave compressor una ended with
exposed electrical components. Be sure to
tag and disconnect all power if temporary
absence is necessary.
Compressor components can
become hot during opera on.
Avoid bodily contact with hot
liquids, hot surfaces and sharp
edges and corners.
Belt Adjustment
Be sure to relieve all system
pressure, then lock out power and
tag compressor to prevent
unexpected movement of the unit.
Inspect belt tension a er
fi
rst 30 hours of opera on
then every 30 days.
1. Proper belt tension
is determined by
pressing on belt
midway between
motor pulley and
fl
ywheel. There
should be approxi-
Pull ring on
safety valve
before each use.
Figure 12: Safety Valve
4. Do not splash lubrica ng oil on belts or pul-
leys when adjus ng or replacing belts.
Changing Oil
All units are shipped with break-in oil. Change oil
within
fi
rst 50 hours or 30 days of opera on, which-
ever comes
fi
rst.
DO NOT use automo ve type oil.
Change oil every 90 days or if oil becomes milky.
Safety Valve
NEVER a empt to regulate or
tamper with safety valve. Valve is
sealed and cer
fi
ed by ASME code
and is designed to relieve system
pressure when necessary.
Check proper opera on of safety valve before each
use. Refer to
fi
gure 12. If valve does not open man-
ually,
replace immediately.
Discharge pressure is
generally set at 175 psi (12.1 bar). DO NOT a empt
mately 1/2 inch of
de
fl
ec on.
1/2” De
fl
ec on
to open valve while machine is under
pressure.
Tank
2. Adjust belt tension as needed by loosening
the four motor frame nuts then adjus ng
single bolt head on belt tensioner. See
fi
gure
11.
Remember to ghten motor bolts a er
adjustment is made.
3. Always replace all belts with the same brand
at the same me. Make sure belts are uni-
matched. Do not replace belts independently.
Drain daily.
If unit is equipped with electronic auto drain:
1. Check daily to ensure proper opera on.
2. Clean
fi
lter weekly. Refer to
fi
gure 13.
Not included on all units
Manual
OPEN/CLOSE
valve
1. Close manual valve.
2. Remove
fi
lter cap
and
fi
lter.
3. Clean
fi
lter.
4. Reassemble drain.
5. Open manual valve.
Auto drain
fi
lter
Filter cap
Use only Flexzilla Industries Oil.
Use of any other product will cause
product damage and void the
warranty.
TO ACTIVATE
WARRANTY
Scan or go to
for warranty registration
Warranty only valid by following conditions expressed in the Warranty Statement section of the Compressor Operating Manual.
Figure 11: Belt adjustment
Figure 13: Clean filter in automa�c drain
