Storch Duomax 9000 Mode D'emploi page 111

9. Help with problems with the Airless Pump
Problem
Electric motor does not start up
Pump not providing suction
Poor material flow
Pump fails to sustain pressure
Not enough pressure
Pump action at gun too strong (pul-
sating spray pattern)
Pump does not build up sufficient
pressure Head of paint level beco-
mes very hot Paint penetrates lubri-
cant container of pump block
Probable cause
1. Mains cable not connected or
fuse blown
2. Electric motor defective
3. Switch defective
1. Air in suction system
2. Pressure insufficient
3. Inlet valve or outlet valve obst-
ructed/clogged
1. No paint
2. Suction filter clogged
3. Filter pump / gun contaminated
4. No suction from pump, material
too heavy
1. Device leaky
2. Suction system leaky.
3. Inlet valve does not sit
4. Seals worn
5. Broken or worn valve seats
6. Suction valve worn
7. Circulation valve leaky
1. Pressure set too low
2. Clogged filter
3. Spray nozzle too large or worn
1. Wrong hose
2. Spray nozzle too large or worn
3. Overpressure
1. Too little hydraulic oil in system
2. Packings leaky and worn
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Remedy
Check
Replacement
Replacement
Tighten up suction pipe or increase
pressure, clean paint in suction posi-
tion, allow to circulate
Check supply, clean, clean or re-
place, thin material
Tighten screw connections, check
for leaks, clean and repair. Replace
/ check/tighten jam nut, turn over or
replace. Replace clean or replace
position higher, clean or replace
change or replace
Replace with spray hose of at least
15 m length, change or replace
earthed nylon version, reduce pres-
sure and motor output
Check hydraulic oil level and top up
if necessary. Check/tension Replace/
Jam nut