User's Manual
Injector Cover Kit 115119
308953M 3
Injector Cover Kit 115119
Plastisol cap for Graco GL-1 Injectors
Installation Instructions
1. Apply a light coating of transparent lubricant to the
inside of cap (21).
2. Slide cap (21) over the indicator stem of the injector
far enough to cover the groove in the piston plug.
3. Slide the o-ring (22) down over the cap to the
groove in the piston plug, forcing the cover into the
groove to form a seal.
Technical Data
*Maximum adjustment setting is when adjusting screw (2) is just making contact with the indicator pin (8) with no inlet
pressure. Turn adjusting screw clockwise (in), to reduce output. To adjust, loosen lock nut (3) and turn adjusting
screw (2) the number of turns indicated on the GL-1 Volume Adjustment Table to obtain the desired volume. Tighten
lock nut (3) when desired volume setting is reached
.
Item Description Qty
21 Plastisol cap 1
22 O-ring 1
groove
21
22
Maximum operating pressure . . . . . . . . . . . . . . . . . . . . . . . . . . 3500 psi (24 MPa, 241 bar)
Suggested operating pressure . . . . . . . . . . . . . . . . . . . . . . . . . 2500 psi (17 MPa, 172 bar)
Reset pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600 psi (4.1 MPa, 41 bar)
Output volume per cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
adjustable*: 0.008 to 0.08 in.
3
Wetted parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . carbon steel, stainless steel, copper, fluoroelastomer
Recommended fluids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N.L.G.I. #2 grease down to 32° F (0° C)
GL-1 Volume Adjustment Table
Description
Number of
Turns
Volume
in.
3
cc
Maximum Adjustment* 0 0.080 1.31
360° Clockwise Turn 1 0.071 1.16
360° Clockwise Turn 2 0.062 1.02
360° Clockwise Turn 3 0.053 0.87
360° Clockwise Turn 4 0.044 0.72
360° Clockwise Turn 5 0.035 0.57
360° Clockwise Turn 6 0.026 0.43
360° Clockwise Turn 7 0.017 0.28
Minimum Adjustment 8 0.008 0.13




