Pressure Relief Procedure - Graco M73109 A Series Instructions-Parts List Manual

Pressure Relief Procedure

WARNING
PRESSURIZED EQUIPMENT HAZARD
The equipment stays pressurized until pressure is
manually relieved. To reduce the risk of a serious
injury from pressurized fluid, accidental spray from
the gun, or splashing fluid, follow the Pressure Re-
lief Procedure whenever you:
are instructed to relieve the pressure,
stop spraying,
check or service any of the system equipment,
or install or clean the fluid nozzles.
1. When spraying is finished, release the gun trigger
and turn off the air supply to the gun.
2. Turn off the turbine sprayer.
WARNING
The turbine hose outlet may be hot. Carefully
check the hose end before removing the hose.
3. If using a remote pressure pot, relieve its pressure
by following these steps:
a. Turn off the air supply to the pressure pot.
Shutdown
b. 2 Quart Remote Pot: Turn out the pressure
relief knob (113) about one turn. Wait until
pressure is completely relieved before remov-
ing the cover. Close the knob before using the
system again.
See Fig. 4.
Fig. 4
NOTE: Elevate the spray gun and pull the trigger. This
will allow the fluid in the fluid hose to drain back into
the remote pressure pot.
4. Clean the spray gun and cup as instructed in the
turbine gun manual, 308–336.
113
2 quart