MAINTENANCE
ENSURE COMPRESSOR IS SWITCHED OFF BEFORE
ATTEMPTING ANY MAINTENANCE.
DAILY MINIMUM - Check oil level and drain tank.
Drain oil and flush crankcase after first 20 hours of operation.
Change oil with 68 Grade Hydraulic Oil
- every 6 months for moderately working units
- every 3 months for hard working units
Check that oil level is to red circle on sight glass.
Check that pressure switch cuts in at approximately 600kPa
(85psi or 6Bar) and cuts out at approximately 800kPa (120psi
or 8Bar). This is the standard pressure working range.
Check belt deflection—10mm to 25mm at centre.
Check that unloader valve is operable (audible hiss when
motor stops).
Check air filters clean or replace when necessary.
Check safety valve and pressure gauge.
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