Fluid Drain/Purge Valve; Pressure Relief Procedure - Graco ToughTek S340e Operation, Repair, And Parts

Fluid Drain/Purge Valve

To avoid injury from splashing fluid, never open a cam-lock
hose or applicator fitting while there is pressure in the fluid
line. See Pressure Relief Procedure, pg. 21.
Open the drain/purge valve (C) to relieve pressure if pump or
hose pack-out occurs, or to relieve pressure inside the hose.
Close valve when spraying.
To prevent material hardening in fluid drain/purge valve,
flush the valve after every time it is used. See Flush, pg.
14.

Pressure Relief Procedure

Follow the Pressure Relief Procedure
whenever you see this symbol
This equipment stays pressurized until pressure is manual
relieved. To help prevent serious injury from pressurized
fluid, such as splashing fluid, and moving parts, follow the
Pressure Relief Procedure when you stop spraying and
before cleaning, checking, or servicing the equipment.
To avoid injury from splashing fluid, never open a cam-lock
hose or applicator fitting while there is pressure in the fluid
line.
3A3437G
NOTICE
1. Turn the flow adjustment knob (H) counterclockwise
until it stops.
2. Turn the motor power switch (S) OFF.
3. Remove the applicator tip and the tip retainer.
4. Hold the applicator firmly against a waste container.
5. Place a waste container beneath the fluid
drain/purge valve (C). Slowly open the fluid
drain/purge valve (C) at the pump outlet.
6. If you suspect there is a clog which will not allow
pressure to be fully relieved, flush the line through
the fluid drain/purge valve (C) using a 3/8
polyurethane tube and water hose.
7. Flush the fluid drain/purge valve (C). See Flush, pg.
14. Close the fluid drain/purge valve (C).
To prevent material hardening in fluid drain/purge valve,
flush the valve after every time it is used. See Flush, pg.
14.
Fluid Drain/Purge Valve
NOTICE
21