SECTION 6: MAINTENANCE
AIR N ARC
®
300 SERIES ALL-IN-ONE POWER SYSTEM
®
PAGE - 86
090010-OP_r0
2. Wipe off the excess oil on the dipstick blade,
and replace the dipstick back into the engine
tube in order to get a clear level reading.
3. Remove the stick again, and observe where
the oil level shows at the gauge-end of the
stick [
C
].
The level should be somewhere between the “
F
” and “
L
”
on the stick. If the level shows low, replenish with the
same type of engine oil currently being used to achieve a
satisfactory level, by adding oil at engine oil fill port [
B
].
If the engine is due for an oil change, or if operating
conditions require more frequent change intervals than
the normal routine maintenance schedule given in this
section, consult the Engine Operator’s Manual for oil
change scheduling, and the procedure on how to change
the engine oil.
6.5.14 ADJUSTING THE ENGINE SPEED
Consult Vanair Service Department for issues relating to
adjustment of engine speed.
6.5.15 ADJUSTING THE PRESSURE SETTING
The
Cut-in pressure
is defined as the pressure in which
the compressor starts pumping. Anytime the pressure in
the tank falls below this pressure the compressor is
allowed to start pumping.
The
Cut-out pressure
is defined as the pressure in
which the compressor stops pumping. When the
pressure in the air tank rises above this pressure the
compressor is signaled to stop pumping.
Pressure settings for both the minimum and maximum
rated capacity levels for this machine are adjusted at the
factory before shipping, and should not need to be
adjusted. However, a situation may occur where it is
necessary to manually adjust or reset either or both of
NOTE
Do not tamper with the governor setting
to increase the maximum engine speed.
Overspeed is hazardous and will void the
engine warranty. The maximum allowable
high idle speed no load for these engines
is 4200 RPM.
WARNING
The compressor cut-in/cut-out pressures
have been factory-adjusted within the
limits of the compressor manufacturer.
The maximum pressure limit of the
compressor is 175 PSI. Pressure should
never be allowed to go beyond this limit
or what has been set by local laws and
regulators. This system will disengage
the clutch at 185 psi. A 200 PSI safety
relief valve is located on the air tank to
prevent over pressurizing the system.
