10 308-879
Operation
Pressure Relief Procedure
WARNING
INJECTION HAZARD
To reduce the risk of serious injury, in-
cluding fluid injection or splashing in the
eyes or on the skin, always follow the
Pressure Relief Procedure whenever you
Are instructed to relieve the pressure
Shut off the pump
Check or service any of the system equipment
Install or clean the grease fitting couplers
1. Disconnect power from the timer control.
2. Close the pump air regulator and/or bleed-type
master air valve.
3. Disconnect the air coupler (3) from the tee (6) on
the vent valve.
See drawings on page 11.
Start-up
1. Close the air regulators and bleed-type master air
valves to all but one pump.
2. Open the master air valve from the compressor.
3. Disconnect the supply lines from the injector
manifolds, open the bleed-type master air valve,
and open the pump air regulator slowly, until the
pump is running and all air has been purged out of
the lines. Reconnect the supply lines, remove the
zerk cap from the injector, and use a standard
grease gun to prime the feed lines to the bearings.
Note: When the pump is primed, and with
sufficient air supplied, the pump starts when the
timer activates the air line solenoid valve, and it
shuts off when the timer deactivates the air valve.
4. Set the air pressure to the pump at the lowest
pressure needed to get the desired results.
5. Read and follow the instructions supplied with
each component in your system.
6. To shut off the system, disconnect power to the
central timer, and turn off the air supply.
In an emergency situation, any of the following
methods can be used to shut down the
system:
Turn off the electrical power to the system.
Shut off the air supply with the bleed-type
master air valve (M).
Disconnect the air line quick coupler (3)
from the air line fitting (4) on the vent valve
tee (6).
WARNING
The maximum working pressure of each pump in
your system may not be the same. To reduce the
risk of over-pressurizing any part of your system,
be sure you know the maximum working pressure
rating of each pump and its connected compo-
nents. Never exceed the maximum working pres-
sure of the lowest rated component connected to a
particular pump.
To determine the fluid output pressure using the air
regulator reading, multiply the ratio of the pump by
the air pressure shown on the regulator gauge. For
example:
50:(1) ratio x 70 psi air = 3500 psi fluid output
50:(1) ratio x 0.48 MPa air = 24 MPa fluid output
50:(1) ratio x 4.8 bar air = 240 bar fluid output
Limit the air to the pump so that no air line or fluid
line component or accessory is over-pressurized.
CAUTION
Never allow the pump to run dry of the fluid being
pumped. A dry pump will quickly accelerate to a high
speed, possibly damaging itself. If your pump accel-
erates quickly, or is running too fast, stop it immedi-
ately and check the fluid supply. If the supply con-
tainer is empty and air has been pumped into the
lines, prime the pump and lines with fluid, or flush it
and leave it filled with a compatible solvent. Be sure
to eliminate all air from the fluid system.
Note: A pump runaway valve, Part No. 224–040, can
be installed on the air line to automatically shut off the
pump if it starts to run too fast.
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