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CAUTION
To avoid tip-over, the cart must be on a flat and level
surface. Failure to follow this caution could result in
injury or equipment damage.
Prime the Pump
WARNING
FIRE AND EXPLOSION HAZARD
Do not plug in or unplug the power cord
in any area containing flammable fluids
or fumes, to avoid fire or explosion
resulting in serious injury.
1. See Fig. 3. Unplug the heater power cord before
priming the pump.
2. Remove the tip guard and spray tip from the gun
(106). See the gun manual.
3. Close the gun air filter/regulator (G), pump air
regulator (F), and bleed-type air valves (B, E).
4. Close the fluid drain valve (D).
5. Connect the air line (A) to the swivel of the air
manifold (H).
6. Check that all fittings throughout the system are
tightened securely.
7. Turn the 3-way valve (45) to CIRC. Hook the drain
hose (46) onto a waste container.
Operation
8. Place the pump suction tube (26) into the fluid
supply container.
9. Open the back pressure regulator (40) (fully coun-
terclockwise).
10. Open the bleed-type air valves (B, E) and the gun
air filter/regulator (G).
11. Hold a metal part of the gun (106) firmly to the side
of a grounded metal pail and hold the trigger open.
12. Slowly open the pump air regulator (F) until the
pump starts.
NOTE: To open the air regulator, turn the T-handle in
(clockwise). To close the regulator, turn the handle
counterclockwise. To lock the regulator setting, tighten
the jam nut.
13. Cycle the pump slowly until all air is pushed out
and the pump and hoses are fully primed.
14. Release the gun trigger and lock the trigger safety.
The pump will continue to cycle as long as air is
supplied and the back pressure regulator is open.
15. If the pump fails to prime properly, open the drain
valve (D). Use the drain valve as a priming valve
until the fluid flows from the valve. Close the valve.
NOTE: When changing fluid containers with the hose
and gun already primed, open the drain valve (D) to
help prime the pump and vent air before it enters the
hose. Close the drain valve when all air is eliminated.
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