Start The System And Operation; Start The System; Operation - Graco Jockey 24Z764 Instructions Manual

Automatic lubrication system
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Start the System and Operation

Start the System and Operation
AUTOMATIC SYSTEM ACTIVATION HAZARD
The system is equipped with an automatic timer that
activates the pump lubrication system when power
is connected or when exiting the programming
function. Unexpected activation of the system could
result in serious injury, including skin injection and
amputation.
Before you install or remove the lubrication system
components from the system, disconnect the battery
and isolate all power supplies and relieve all
pressure.

Start the System

The system is ready to start after installation of the
pump, main line, feed line, and modules.
Fill the Main Line
An automatic lubrication system must be free of air to
generate enough pressure to discharge grease from the
injectors. The main feed line must be filled with grease.
1. Remove a plug or injector from the top of each
manifold assembly. Place a rag below the injector
to capture excess grease.
2. Start the pump.
3. Watch for grease to come out of the manifold from
the open outlet port (See Step 1). Allow grease to
flow out of the port for up to one minute to be sure
that the grease is free of air and flowing freely.
72
F
. 73
IG
4. Stop the pump.
5. Reinstall the injector into the outlet port. Torque to
8 ft-lb +/- 2 (10.8 +/- 2.7 N•m).
6. The system is ready.

Operation

The following steps describe a typical lubrication cycle.
1. The pump starts.
2. The paddle stirs the grease in the reservoir.
3. The vent valve closes. Pressure builds in the
system to approximately 1900 psi (13.1 MPa, 131
bar) and dispenses grease to all injectors in the
system and provides lubrication to all of the
lubrication points on the vehicle.
NOTE: The controller is factory set to 7 minutes ON
time. This provides the pump with time to reach the
maximum pressure; approximately 1900 psi (13.1
MPa, 131 bar).
4. If there is any additional ON time (time remaining
after building to approximately 1900 psi (13.1 MPa,
131 bar)) the relief valve opens, and relieves
pressure from the system back to the reservoir.
5. After the pump stops pumping grease. The vent
valve opens and allows the grease and pressure in
the fluid lines to flow back into the pump reservoir.
The injectors reset.
3A5082N

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