Important Steps Of Initial Start-Up; Vacuum Tips For Best Performance - yellow jacket SuperEvac 9354 Series Operation And Maintenance Manual

Important Steps of Initial Start-Up

1. Make sure motor is off and name plate
voltage on motor bottom matches outlet
voltage.
2. Remove oil fill cap on pump cover. Fill
with YELLOW JACKET
Pump Oil until oil level is even with oil
level line.
3. Make sure blank-off valve is in the open
position (vertical). Stay clear of the oil
fill/exhaust port! Remove intake cap
to open intake to the atmosphere and
then switch on the motor. When pump
reaches running speed, replace cap.
The vacuum indicator gauge should
read 30 inches.
4. To check the pump's performance,
attach a micron gauge to the 1/4" male
flare fitting, making sure that the intake
fitting is capped and the gas ballast
valve is closed. Turn on the pump. The
micron gauge will display the ultimate
vacuum reached.

Vacuum Tips for Best Performance

Quick Tips:
1. For the fastest vacuum, connect your
pump directly to the system. Going
through a manifold slows the job.
2. Use as large a hose as possible, even
though the system has 1/4" fittings. A
1/2" or 3/8" hose allows a much faster
and more complete vacuum.
3. Use as short a hose as practical to
get maximum evacuation speed. Short
hoses make evacuation faster than
longer hoses. Long hoses slow the
process.
4. Metal hoses are the most impervious
so will be most effective in evacuation.
5. Evacuate through both high and low
sides at the same time to speed evacu-
ation.
5. Improve cold weather starting by
6. When turning pump off, open intake
SuperEvac ™
®
7. Disconnect pump and put cap on intake
8. If an extension cord is needed, refer to
6. Use the 4-in-1 Vacuum/Charge Valve &
7. Use two pumps on very large systems
opening intake and running your pump
for 10-15 seconds.
fitting until vacuum indicator gauge
reads zero to break vacuum just prior
to shut-off.
to keep out contaminants.
the below chart for proper sizing.
RECOMMENDED EXTENSION
CORD SIZES
Total Extension Cord Length (feet)
25' 50'
16 Ga. 14 Ga.
Wire Gauge (AWG)
Core Tool (Part #18975) to remove the
Schrader
valves
from the
system
and evacuate through unrestricted
lines for a faster and higher vacuum.
Removing Schraders saves over 30%
in time.
to reduce vacuum time. Put one of the
pumps on the low side of the system
and one pump on the high side of the
system.
100'
12 Ga.
5