Pressure Relief Procedures; Fluid Pressure Relief Procedure - Graco UniDrum C59784 Instructions And Parts List

Pressure Relief Procedures

These procedures describe how to relieve pressure
from the system.
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 spraying and before
cleaning, checking, or servicing the equipment.
309169ZAF

Fluid Pressure Relief Procedure

This procedure describes how to relieve pressure on
the Follower Plate (D) and in the Pumps (C). Use this
procedure whenever you shutoff the Pumps and before
checking or adjusting any part of the system.
At the Pneumatic Logic Panel (G) (F
following steps:
1. Close the Main Air Inlet Valve (E). See F
2. Open any downstream fluid valves that may be part
of the system.
NOTE: Depressurization kit not included with all
models. See page 2 for a complete list of models and
features.
Depressurization
Valve
F . 10
IG
NOTE: In order to fully relieve system pressure,
including ram cylinders, the steps in the Pneumatic
Pressure Relief Procedure on page 28 must be
performed.
Pressure Relief Procedures
. 11), perform the
IG
. 11.
IG
27