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Operation
Wet Cup
To avoid pinch hazard, do not operate pump with the
rod guard removed.
Before starting, fill wet cup 1/3 full with Graco Throat
Seal Liquid (TSL) or compatible solvent.
Rod Shield
Wet Cup
F
. 3. Fill Wet Cup
IG
Prime the Pump
1. Turn the gun's ES ON/OFF lever to OFF.
2. Close gun air regulator (T) and pump air regulator
(X) by turning knobs counterclockwise reducing
pressure to zero. Close bleed-type air valve (U).
Also verify that all drain valves (C)are closed.
3. Connect air supply line to bleed-type master air
valve (U).
4. Check that all fittings throughout system are tight-
ened securely.
5. Position pail close to pump. Suction hose is approxi-
mately 4 ft (1.2 m) long. Do not stretch hose tight; let
it hang to assist fluid flow into pump.
6. Hold part of gun (H) firmly to side of grounded metal
pail, and hold trigger open.
NOTE: If your pump has DataTrak, see DataTrak
Operation on page 18 or your separate NXT air motor
manual for DataTrak instructions.
14
7. Datatrak equipped units with runaway protection
only: enable the prime/flush function by pushing the
prime/flush button on the DataTrak.
8. Open bleed-type master air valve (U). Slowly turn
clockwise pump air regulator (X) increasing pres-
sure until pump starts.
9. Cycle pump slowly until all air is pushed out and
pump and hoses are fully primed.
10. Datatrak equipped units with runaway protection
only: disable the prime/flush function by pushing the
prime/flush button on the DataTrak.
11. Release gun trigger. Pump should stall against
pressure.
Never allow the pump to run dry of the fluid being
pumped. A dry pump quickly accelerates to a high
speed, possibly damaging itself. If your pump
accelerates quickly, or is running too fast, stop it
immediately and check the fluid supply. If the supply
ti11927a
container is empty and air has been pumped into
the lines, refill the container and prime the pump
and the lines with fluid, or flush and leave it filled
with a compatible solvent. Be sure to eliminate all
air from the fluid system.
Gun Setup
See Pro Xp™ Electrostatic Air Spray Gun manual
(3A2494) for instructions on how to properly setup the
spray gun.
Shutdown
Follow Pressure Relief Procedure, page 13.
Always flush the pump before the fluid dries on the dis-
placement rod. See Flush the Pump on page 15.
NOTICE
3A7004B
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