3
Operating Instructions and Parts Manual
24642
3/19
2019 OEMTOOLS
™
6 CFM SPARK-FREE
VACUUM PUMP
INITIAL PREPARATION
1. The vacuum pump is shipped without oil in the
reservoir. Remove the exhaust/oil fill cap and add oil
until it can be seen in the middle of the oil sight glass.
Re-secure cap.
2. Connect vacuum pump to the proper voltage power
supply.
3. Remove the 1/4" inlet service port cap, turn on the
vacuum pump. After 15 seconds, replace 1/4 cap back
on inlet port.
4. Re-check vacuum pump oil level. Add or remove oil if
necessary. To achieve good final vacuum levels, the oil
level should be visually seen through sight glass.
CAUTION
: DO NOT RUN THIS EQUIPMENT WITH LOW
OR NO OIL. RUNNING THIS EQUIPMENT WITH NO
LUBRICATION WILL CAUSE PREMATURE FAILURE.
VACUUM PUMP IS NOW READY FOR USE.
VACUUM PUMP OPERATION
WARNING
: DO NOT operate on systems under pressure.
Damage to the pump may occur.
1. Check the correct power supply outlet to be used.
2. Connect vacuum pump to the proper voltage power
supply.
3. Check oil level in vacuum pump.
4. Connect vacuum pump as shown in Figure - 1.
5. Open manifold valves.
6. Turn vacuum pump power switch ON.
7. Run vacuum pump until final vacuum level is met.
8. Once the final vacuum level is reached, close manifold
valves, turn power switch OFF.
ROUTINE MAINTENANCE
It is recommended to change the vacuum pump
oil after 50 hours of usage. The purity of the oil will
determine the final vacuum level achieved. Always use
the recommended vacuum pump oil. The oil provided
with the pump has been specially blended to maintain
maximum viscosity at normal running temperatures as
well as cold weather starts.
OIL CHANGE PROCEDURES
1. Be sure the pump oil is warmed up. If not warm, turn
vacuum pump ON for 10 minutes.
2. Make sure vacuum pump is not plugged in.
3. Remove the oil drain cap and drain the contaminated
oil into a suitable container. Tilt the vacuum pump
toward the oil drain port.
4. Once all the oil has been drained, re-secure the oil
drain cap back onto the oil drain port.
5. Remove the exhaust/oil fill cap and add oil until it is
seen in the middle of the oil sight glass. Re-secure
exhaust/oil fill cap.
TROUBLESHOOTING CHART
Condition
Possible Problem
Solution
Unusually
noisy
Bad bearings
Replace motor
Loose motor bolts
Tighten bolts
Coupling drive
Adjust or replace coupling
Dirty, low, or improper oil
Replace oil
Air leaks In connections
Fix leaks
High
temperature
Low or improper voltage
Check power source voltage
Worn bearings
Replace motor
Low oil level
Add or replace
Poor
vacuum
System leaks
Fix leaks
Low oil level
Add or replace oil
Dirty oil
Flush and replace oil
Air leaks at connection
Fix leaks
Air leaks through seal
Replace shaft seal
Worn rotary mechanism
Replace pump
Oil leaks
Oil leaks through exhaust
Oil level is too high
Oil leaks through shaft seal
Replace shaft seal
Oil leaks through reservoir
Tighten bolts or replace gasket
System vented pressure
Check oil level
Pump tipped over
Check oil level
Pump does
not start
No power to motor
Check power cord
Damaged motor
Replace motor
Thermal cutout
Wait for thermal switch to
reset. Check for cause of
thermal.
Thermal
cutout
Low or incorrect voltage
Check voltage, supply
Cold weather
Start and run vacuum pump
with the intake fitting closed
for 1 minute to warm up oil
Dirty oil
Flush and replace oil
