OPERATION
To reduce the risk of injury, always
WARNING
wear proper eye protection marked
to comply with ANSI Z87.1.
The pump is shipped without oil and
NOTICE
must be primed for initial use.
To ready the pump for first time use, either:
• Add oil and run the pump for 30 minutes. Change the
oil (or let the oil cool down before beginning work).
• Add oil and wait 1 hour before beginning work.
General Operation
1. Check oil level.
2. Insert battery pack.
3. Open the gas ballast valve.
4. Make hose connections to the pump either directly
or using a manifold.
5. Open one intake port and close the isolation valve,
close gas ballast valve, and turn pump on.
6. Make vacuum connections and slowly open isola-
tion valve.
7. Slowly open the gas ballast valve at the beginning
of the evacuation process.
8. After pump settles down from initial volume of air,
close ballast valve and continue evacuating.
9. When finished, close the isolation valve and fully
open the gas ballast valve.
10. Operate the pump for 2-3 more seconds, then
turn off the pump and close the gas ballast valve.
11. Remove hose connections and cap the intake
fittings.
Troubleshooting
Problem Cause
Pump
Pump is outside
won't
temperature
start and
range (32º to
power
122ºF) and the
temperatrure
button
LED is
protection mode
blinking
is engaged
white
Air leak in system
or setup
Tool has been
damaged
Pump
Oil level is filled
won't
past max
start and
power
The internal
button
check valve is
sealed
LED is off
Pump is cold
The tool has
been damaged
Priming
Correction
Bring pump into
temperature range
Inspect for leaks
Contact a
MILWAUKEE
service facility
Remove oil
Remove the fitting
caps, open the
isolation valve, and
turn the pump on to
atmosphere
Bring pump into
temperature range
Contact a
MILWAUKEE
service facility
Pump
Contaminated oil
won't pull
a deep
Oil level too low
vacuum
Air leak in system
or setup
Pump inlet fittings
missing or not
tightened
Missing or
damaged seals or
o-rings
Gas ballast valve
is open
Low battery
Pump
shuts
down and
then low
battery
indicator
is flashing
red, with
audible
beep
Pump
Manifold mode is
sounds
engaged
slower
Cold
temperatures are
causing the pump
to warm up
The tool is
entering low
battery mode to
allow the most
time for alerts
Tool is damaged
Pump has
Gas ballast is
stopped
open and pump
during an
has run for more
evacuation
than 20 minutes
and Power
button
LED is
blinking
white
5
Change oil
Add oil
Prime system
Tighten or replace
fittings
Contact a
MILWAUKEE
service facility
Close gas ballast
valve
Replace battery
Normal operation
Continue to warm
up tool according
to directions
Change/replace
battery pack
Contact a
MILWAUKEE
service facility
Close gas ballast,
wait for power
button LED to stop
blinking