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

Fluid Fluid Drain/Purge Fluid Drain/Purge Valve Drain/Purge
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, page
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.
NOTICE
NOTICE NOTICE
To prevent material hardening in fluid drain/purge
valve, flush the valve after every time it is used.
See Flush, page 14.
Pressure Relief Relief Procedure
Pressure Pressure Relief
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 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.
3A3437F
All manuals and user guides at all-guides.com
Valve Valve
21.
Procedure
Procedure

Fluid Drain/Purge Valve

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, page 14. Close the fluid drain/purge valve
(C).
NOTICE NOTICE NOTICE
To prevent material hardening in fluid drain/purge
valve, flush the valve after every use.
ti21632a
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