Pressure Relief Procedure - Graco Therm-O-Flow 200 Instructions - Parts Manual

Operation

Pressure Relief Procedure

Follow the Pressure Relief Procedure When-
ever 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 clean-
ing, checking, or servicing equipment.
NOTE: If using a different dispense applicator, see the
applicator manual for pressure relief instructions.
1. Engage the trigger lock.
F . 23: Engaged
IG
2. Close the system master air slider valve (CA).
34
3. Set the ram director valve (CC) to the neutral posi-
tion.
4. Disengage the trigger lock.
F . 24: Disengaged
IG
5. Hold a metal part of the gun firmly to a grounded
metal pail. Trigger the gun to relieve pressure.
6. Engage the trigger lock.
7. Open all fluid drain valves in the system, having a
waste container ready to catch drainage. Leave
drain valve(s) open until you are ready to dispense
again.
CA
8. If you suspect the tip or hose is clogged or that pres-
sure has not been fully relieved after following the
steps above, VERY SLOWLY loosen hose end cou-
pling to relieve pressure gradually, then loosen
completely. Clear hose or tip obstruction.
CC
334130L