Oil Changes
CHANGE OIL AFTER EACH USAGE
to protect pump components from con-
taminants pulled into pump during service.
Place used oil in a sealable container and
dispose of properly in accordance with local
regulations.
YELLOW JACKET vacuum pump oil is
specially rened and formulated for ex-
tremely low vapor pressure and high pump
efciency at all temperature conditions.
This means it can help you get a continued
return on your pump investment.
In fact, with proper maintenance, your
pump can keep making money for you up
to ten years and more. Proper maintenance
includes:
Change the oil immediately after every
use while the oil is still warm. This
insures that contaminants are still in sus-
pension and are removed with the oil.
1)
If contaminants cool, solidify and stay in
the pump, the lower vacuum efciency.
In extreme cases, the oil stops lubricat-
ing and the pump seizes.
Oil may look clean, but still be contami-
nated. “Looking clean” is not enough.
One job is more than enough to con-
taminate oil. The only way to determine
oil condition is to test vacuum pulled
with an electronic vacuum gauge.
When nished with the pump, replace
the tethered cap on the intake ttings
(check for o-rings in caps). This keeps
out moisture and contaminants.
Vacuum levels can be reached only when
the correct amount of YELLOW JACKET
oil is used. Damage done by improper
oil maintenance or by using the wrong
type of oil is not covered under waranty.
Refrigerant oil, brake uid and any other
oil such as motor oil cannot be used.
2)
Dual Voltage Motor Power Conversion (if applicable)
STEP 1
Disconnect the
motor from the
power supply and
remove. Re-
move the yellow
“CAUTION”
sticker from the
back of the motor.
STEP 2
Pull up on the white plastic “arrow” switch
using needle-nosed pliers until the switch
is loose inside the motor housing (it will
not come
completely out
of the motor).
Note: Do not
try to turn or
rotate the switch
until it has been
pulled up and
is loose.
STEP 3
Point the arrow toward the desired voltage
setting and push the
switch back down
into the motor. The
arrow on the switch
should be sub-ush
of the motor housing
when correctly in-
stalled at the desired
voltage.
HI = 230 VAC / 50 Hz
LO = 115 VAC / 60 Hz
STEP 4
Replace the yellow “CAUTION” sticker
over the voltage
selector switch.
Ensure that the voltage
setting corresponds
with the power sup-
ply that the motor is
plugged into.*
*Warranty is void if the set vacuum pump voltage does not match the power supply.
Dual voltage motors are factory set to 230 V/50Hz.
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