Ram Pressure Relief Procedure - Graco Therm-O-Flow 20 Instructions - Parts Manual

Ram Pressure Relief Procedure

Follow Pressure Relief Procedure when you stop
spraying and before cleaning, checking, servicing, or
transporting equipment.
To relieve air pressure in the ram:
1. Relieve the supply unit pressure, see page 30.
2. Place the ram UP/DOWN lever in the DOWN posi-
tion. Move the ram to the DOWN position.
3. When the ram reaches the full down position, place
the ram UP/DOWN lever in the center position (off).
4. Close the system bleed-type master air valve (A).
311976K
TI8141A
A
TI8135A
5. Exhaust air from both sides of the ram:
a. Move the ram UP/DOWN lever to the DOWN
position until all air is exhausted from one side
of the ram.
b. Move the ram UP/DOWN lever to the UP posi-
tion until all air is exhausted from the other side
of the ram.
Operation
TI8141A
TI8141A
31