3
R. 12/21 854 815
SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com
2021_12_16-12:00
OPERATION
1.
Open the bleed air valve (86). The pump can now expel any air
trapped in (fig. 2).
2
. Start the pump opening the pumps valve (pos. A), and increasing
the pressure with the regulating filter gradually (pos. B). The
pump starts operating.
3
. Close the pump air bleed valve (86) as soon as the material
trapped air is pumped out of the valve.
4
. The pump starts to pump when an outlet valve is opened (pos. H),
for example a ink fountaing.
TROUBLESHOOTING
SYMPTOMS
POSSIBLE REASONS
SOLUTIONS
The pump is not working or there is
no ink delivery.
No suitable air supply pressure.
Increase the air supply pressure.
Some outlet circuit element is clogged or closed.
Clean or open the outlet circuit.
There is an air pocket in the ink inlet area.
Bleed the air in follower plate.
Air in pump.
Bleed the air in pump (86).
The pump begins to operate very fast. Pump dry-runing. The drum is empty.
Replace the drum.
The pump keeps on operating
although the ink outlet is closed.
There is a ink leakage at some point in the circuit.
Verify and tighten or repair.
Contamination in the piston valve (92).
Disassemble and clean. Replace if damaged (92).
Contamination in the foot valve (110).
Disassemble and clean. Replace if damaged (110).
Air leabreage through the air outlet
muffler (25).
Damage or worm piston U-ring (40).
Replace U-ring (40).
The air seal of the inventor assembly is damaged
and worm (8).
Replace the air seal (8).
Damage or worm spool seals.
Replace the spool.
Ink flow out put too low or diminishes
over time.
Contamination in the foot valve (110).
Remove and clean (110).
Replace if damaged.
Contamination in the piston valve (98).
Remove and clean.
Replace if damaged (98).
The exhaust muffler is clogged log compressed air
dirt or lubricant.
Clean or replace the muffler left (28).
REPAIR AND CLEANING PROCEDURE
SEPARATE THE AIR MOTOR FROM THE PUMP
Operate the pump controlling it with the ball valve on the air motor supply (pos. A).
1.
With the pump bleed valve open (86), it should be possible to stop the pump in the middle of the stroke. Close the bleed valve (86).
2.
Disconnect the air motor supply (pos. D).
3.
Remove the guards (62).
4.
Remove the bolt (63).
5.
Unscrew nut (64).
6.
Remove nut (78) and lift the pump air motor to separate from pump.
Fig. 3
Fig. 4
78
64
63
62