5
Stationary Single Stage Vertical Air Compressors
Assembly
ADDITIOnAl hARDWARe neeDeD
Purchase hose, regulator and shutoff
valve that has a minimum rating of
175 psi and exceeds the maximum
working pressure of the compressor .
BReATheR InSTAllATIOn
Remove cap from oil fill opening . Install
breather (found in parts bag with this
manual or hanging from cylinder) . See
Figure 7 .
OIl DRAIn exTenSIOn
Some models include an oil drain
extension and cap (found with the
owner’s manual) . Install the oil drain
extension and cap before adding oil
to the pump . To avoid oil leaks, apply
pipe thread sealant or thread tape to
the threads on each end of the oil drain
extension . Screw the cap onto one
end of the extension . Remove the oil
drain plug from the base of the pump
and install the oil drain extension (See
Figures 8 and 9) .
lUBRICATIOn
ChECk FOR PROPER
OIL LEVEL BEFORE
OPERATINg!
SOME MODELS ARE ShIPPED WITh OIL IN
ThE PUMP.
Ensure oil drain extension and cap has
been installed (if included) then remove
the breather (See Figure 8) and fill
pump oil according to the chart .
See specification label on air tank for
pump model number and refer to the
chart for the proper oil capacity .
OIl
Use SAE 30 industrial grade air
compressor oil or full synthetic motor oil
like Mobil 1 10W30 . Do not use regular
automotive oil . Additives in regular
motor oil can cause valve deposits and
reduce pump life . For maximum pump
life, drain and replace oil after the first
hour of run time .
pump
Approx. Oil Capacity
VT4700
8 .5 oz
VH3000
32 oz
Dipstick
Breather
Add Oil
Oil Drain Extension*
Cap*
Full
Add
Low
Max
Dipstick Oil Read
Full
Add
Sight Glass
* Not included with all models.
Oil Fill Cap
(Dispose of
properly)
Breather
OR
Figure 8
Figure 7
Remove Cap
Install Breather
Install Dipstick
Breather
OR
Figure 9 -
Pump oil fill
Full
Add oil
Oil Fill
Sight glass
Oil drain
plug
