Troubleshooting; Pressure Relief Procedure - Graco 77X542 Instructions Manual

Fill valve
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Troubleshooting

Troubleshooting

Pressure Relief Procedure

Follow the Pressure Relief Procedure whenever
you see this symbol.
This equipment stays pressurized until pressure is
manually relieved. To help prevent serious injury from
pressurized fluid, such as skin injection, splashing
fluid and moving parts, follow the Pressure Relief
Procedure when you stop dispensing and before
cleaning, checking, or servicing the equipment.
To relieve pressure in the system, use two wrenches
working in opposite directions on valve outlet fitting to
slowly loosen fitting only until fitting is loose and no
more lubricant or air is leaking from fitting as shown in
F
. 4.
IG
Problem
Refill pump slows down or stalls and
no output at the fill valve.
6
F
. 4
IG
Cause
Auto-Fill Shut Off Valve has not
reset
Solution
Be sure to relieve pressure by pull-
ing the Pressure Relief Plunger (R)
(see Component Identification,
page 4).
Make sure Auto-Fill Shut Off valve
pin is down. See F
. 2, page 5
IG
and/or Auto-Fill Shut Off Valve man-
ual.
333393D

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