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4
Operating Instructions
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Assembly (Continued)
BREATHER INSTALLATION
Remove cap from oil fill opening. Install
breather (found in parts bag with this
manual). See Figure 4.
LUBRICATION
CHECK OIL LEVEL.
SOME UNITS
INCLUDE OIL. Follow lubrication
instructions before operating
compressor.
Ensure oil drain extension and cap has
been installed (if included) then remove
the breather (See Figure 5) 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 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, it is highly
recommended to apply thread seal
tape or plumber’s putty 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 Figure 5).
OIL
Use SAE 30 industrial grade air
compressor oil or full synthetic motor
oil like Mobil 1 10W30. Do not use
regular automotive oil such as 10W-30.
Additives in 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.
Proper oil fill level is illustrated in
Figure 5.
For pumps with an oil sight glass, oil
level can be monitored and maintained
as shown in Figure 5.
ELECTRICAL DATA
Overheating, short-circuiting
and fire damage will result
from inadequate wiring.
The 120 volt, 15 amp units can be
operated on a 120 volt 15 amp circuit
under the following conditions:
1. No other electrical appliances or
lights are connected to the same
branch circuit.
2. Voltage is 120 Volts.
3. Circuit is equipped with a 15 amp
circuit breaker or a 15 amp slow
blow fuse type T (For Canada use
Type D).
4. The length of copper wire between
the outlet and circuit breaker is not
longer than 40 feet of 14 AWG or 70
feet of 12 AWG.
If the above conditions cannot be met
or if nuisance tripping of the current
protection device occurs, it may be
possible to operate the compressor from
a 120 volt 20 amp circuit. See Figure 6.
Check motor data plate for 240 volt
compatability. A 240 volt unit must be
operated on a 240 volt circuit. The cord
must only plug into a 240 volt grounded
outlet and may require a new cord and
plug. See Figure 7.
GROUNDING INSTRUCTIONS
This product must be grounded. In
the event of an electric short circuit,
grounding reduces the risk of electrical
shock by providing an escape wire for
the electric current. Unit is equipped
with a cord that has a grounding prong.
Improper
use of
grounding plug can result in
a risk of electrical shock.
NOTE: Do not use grounding
adapter.
When converting
to an alternate
voltage, be sure the green ground wire
of the cord connects to the ground pin
of the plug and to the metal body of the
pressure switch.
Pump Approx. Oil Capacity
VS260000KB 6.0 oz
VT470000KB 8.5 oz
VT480000KB 8.5 oz
Figure 4
Remove
Cap
Install
Breather
Figure 6
Grounded OutletGround Pin
Figure 7
Grounded OutletGround Pin
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 5