Operation; Pressure Relief Procedure - Graco Check-Mate Elite Series Instructions And Repair Parts

Operation

Pressure Relief Procedure

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 skin injection, splashing
fluid and moving parts, follow the Pressure Relief
Procedure when you stop spraying and before
cleaning, checking, or servicing the equipment.
1. Engage the gun/valve trigger.
2. For D200s, D200, D60 and S20 Air Controls: See
F . 3.
IG
a. Close the air motor slider valve and the main air
slider valve.
b. Set the ram director valve to DOWN. The ram
will slowly drop.
c. Jog the director valve up and down to bleed air
from ram cylinders. See F
ti10438a
F . 3
IG
3A8564D
. 3.
IG
Air Motor Valve
Ram Director
Valve
Main Air Valve
3. For L20c Air Controls: See F
a. Close the bleed type air motor valve and the
elevator director valve. The ram will slowly
drop. See F . 4.
IG
Air Motor Valve
F . 4
IG
4. Engage the gun/valve trigger lock.
5. Hold a metal part of the gun/valve firmly to the side
of a grounded metal pail, and trigger the gun/valve
to relieve pressure.
6. Engage the gun/valve trigger.
7. Open the fluid line drain valve and the pump bleed
valve (P). Have a container ready to catch the drain-
age.
8. Leave the pump bleed valve open until ready to
spray again. See F
IG
F . 5
IG
If you suspect that the spray tip/nozzle or hose is
completely clogged, or that pressure has not been fully
relieved after following the steps above, very slowly
loosen the tip guard retaining nut, nozzle, or hose end
coupling and relieve pressure gradually, then loosen
completely. Now clear the tip/nozzle or hose.
Operation
. 4.
IG
Elevator
Director Valve
. 5.
P
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