375, 375H, 400HH, 425, 425H T4F User Manual 3: Specifications
02250223-036 R01
Subject to EAR, ECCN EAR99 and related export control restrictions. 41
3.2 Lubrication guide—compressor
3.3 Lubrication guide—engine
Refer to the Engine Operator’s Manual for engine oil
specifications.
3.4 Application guide
Sullair portable air compressors are filled with Sullair
AWF
®
. Sullair AWF is a heavy-duty, multi-viscosity, all-
weather fluid suitable to a wide variety of conditions,
including conditions that can cause severe fluid oxida-
tion.
In high ambient temperature and high humidity condi-
tions, condensed moisture can emulsify with
the fluid
(indicated by the fluid turning a “milky” color). Change the
fluid if this condition develops.
Do not mix dif
ferent types or brands of fluid. Mixing dif-
ferent types or brands of fluids can lead to operational
prob
lems such as foaming, plugged filters, blocked ori-
fices or lines, or even severe problems like a plugged
cooler
or a locked air end.
Contact your Sullair representative for fluid recommenda-
tions if operating conditions require the use of an
extend
ed life fluid (for example, the ambient temperature
is outside the recommended temperature range for Sul-
lair AWF).
Sullair encourages users to participate in a fluid analysis
prog
ram. The analysis might indicate a need for change
intervals different from those recommended in this man-
ual (for example, to maximize the life of the machine in
d
irty environm
ents). Contact your Sullair representative
for details.
Fluid type
Change
period,
hours
Ambient temperature
range
°F °C
Sullair AWF
®
1
1500 -20 to 120 -29 to 49
1
Sullair AWF part numbers: 250030-757 (5 gallons/18.9 liters) and
250030-758 (55 gallon/208 liter drum)
NOTE
Proper compressor fluid level visible halfway in
fluid sight glass when checked on a level surface
with the compressor not running.
Figure 3-1: Receiver tank
1. Receiver/tank
2. Fluid fill port
3. Sight glass
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