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Installation Instructions - Graco GL-1 114901 Instructions-Parts List Manual

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Installation Instructions

Installation Instructions
The reference letters used in the following instructions
refer to the figure on page 3.
Group injectors to minimize feed line length.
Install injectors in locations that allow easy and safe
servicing access.
Install injectors in areas that minimize accidental
injector damage by moving equipment.
Injector outputs can be combined for a common
bearing point with a large grease requirement but
the output for a single injector cannot be split into
multiple bearing points.
Use steel tubing instead of pipe and hose for sup-
ply lines when possible. Pipe is often contaminated
with scale and requires proper cleaning prior to
use. Hose lines expand under pressure which leads
to longer pump cycle time.
1. Relieve pressure. See Pressure Relief Procedure,
in the pump instruction manual included with your
automatic lubrication system.
2. Install injectors on a flat, hard surface using mount-
ing brackets.
3. Connect fluid supply line to injectors.
NOTICE
To prevent rupturing supply lines due to over-pres-
surizing the components, only use supply lines and
fittings that meet or exceed the pressure rating of the
injectors.
4. Connect lube point feed lines.
5. Flush the system with low viscosity oil or mineral
spirits to remove contamination introduced during
installation.
6. Use a purge gun or run the pump until clean lubri-
cant is dispensed at the end of each feed line to
purge the system of flushing fluid or air.
2
7. Run the system at full output and verify that all
injectors are cycling.
8. Adjust injector volume output. see Volume Adjust-
ment, page 2.
9. Connect feed lines to lubrication points.
Volume Adjustment
*Maximum adjustment setting is when the adjusting
screw (2) is just making contact with the indicator pin
(8) with no inlet pressure. Turn the adjusting screw
clockwise (in) to reduce output. To adjust, loosen the
lock nut (3) and turn the adjusting screw (2) the number
of turns indicated on the GL-1 Volume Adjustment
Table to obtain the desired volume. Tighten the lock nut
(3) when the desired volume setting is reached
GL-1 Volume Adjustment Table
Description
Maximum Adjustment*
360° Clockwise Turn
360° Clockwise Turn
360° Clockwise Turn
360° Clockwise Turn
360° Clockwise Turn
360° Clockwise Turn
360° Clockwise Turn
Minimum Adjustment
.
Volume
Number
of Turns
3
cc
in.
0
0.080
1.31
1
0.071
1.16
2
0.062
1.02
3
0.053
0.87
4
0.044
0.72
5
0.035
0.57
6
0.026
0.43
7
0.017
0.28
8
0.008
0.13
308953ZAC

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