Merkury Innovations 312795E Manuale Utente

1.

Lock gun trigger. Remove tip guard and spray tip 
from gun. Refer to gun manual.

2.

Close gun air regulator (D) and pump air regulator 
(H) by turning knobs counterclockwise reducing 
pressure to zero. Close bleed-type air valve (E). 
Also verify that all drain valves are closed.

3.

Check that all fittings throughout system are tight-
ened securely.

4.

Position pail close to pump. Do not stretch suction 
hose tight; let it hang to assist fluid flow into pump.

5.

Hold metal part of gun (L) firmly to side of grounded 
metal pail, unlock trigger, and hold trigger open.

6.

Open bleed-type air valve (E). Slowly open the 
pump air regulator (H) until the pump starts.

7.

Cycle pump slowly until all air is pushed out and the 
pump and hoses are fully primed.

8.

Release the gun trigger and engage the trigger lock. 
Pump should stall against pressure.

9.

In a direct supply system, with the pump and lines 
primed, and with adequate air pressure and volume 
supplied, the pump will start and stop as the 
gun/valve is opened and closed.

10. In a circulating system, the pump runs continuously 

and speeds up or slows down as the system 
demands until the air supply is shut off.

11. Use the air regulator to control the pump speed and 

the fluid pressure. Always use the lowest air pres-
sure necessary to get the desired results. Higher 
pressures cause premature tip/nozzle and pump 
wear.

For a brief shutdown, relieve the pressure, page 14. 
For a longer shutdown, or overnight, always flush the 
pump, page 16, and relieve the pressure, page 14.

NOTE: If the overflow chamber (optional accessory) 
contains fluid, unscrew the bottle (103) and discard. If it 
has not been used, the bottle can remain attached to the 
cap.

The maximum fluid inlet pressure is 15 psi (0.1 MPa, 
1.0 bar). Damage to the bellows may occur if you 
exceed this pressure. Do not use another pump or 
checking device to supply the bellows pump. 

D

E

H

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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 accel-
erates quickly, or is running too fast, stop it immedi-
ately and check the fluid supply. If the supply 
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.

To avoid the buildup of static charge, do not rub the 
plastic bottle with a dry cloth while it is attached to 
the pump. Remove the bottle to clean, if needed.