Filter
Top Products
Repair / Réparation / Reparación
26 313314B
Repair / Réparation / Reparación
Troubleshooting / Dépannage / Solución de problemas
Mechanical/Fluid Flow / Mécanique/écoulement de fluide /
Problemas mecánicos/caudal de fluido
Relieve Pressure, page 15. / Décharger la pression, voir page 15. / Alivie la presión, página 15.
TYPE OF PROBLEM
WHAT TO CHECK
If check is OK, go to next check
WHAT TO DO
When check is not OK, refer to this column
Pump output is low 1. Spray tip worn 1. Follow Pressure Relief procedure Warning,
then replace tip. See your separate gun or tip
manual.
2. Spray tip clogged 2. Relieve pressure. Check and clean spray tip.
3. Paint supply 3. Refill and reprime pump.
4. Intake strainer clogged 4. Remove and clean, then reinstall
5. Intake valve ball and piston ball are
not seating properly
5. Remove intake valve and clean. Check balls
and seats for nicks; replace if necessary;
see pump manual 310643. Strain paint before
using to remove particles that could clog pump.
6. Suction hose connections 6. Tighten any loose connections. Check for
missing or damaged seals.
7. Fluid filter, tip filter, or tip is clogged
or dirty.
7. Clean filter; see gun manual 311861.
8. Prime valve leaking 8. Relieve pressure. Replace or clean prime
valve.
9. Verify pump does not continue to
stroke when gun trigger is released
(prime valve not leaking).
9. Service pump; see pump manual 310643.
10. Leaking around throat packing nut
which may indicate worn or damaged
packings.
10. Replace packings; see pump manual 310643.
Also check piston valve seat for hardened paint
or nicks and replace if necessary. Tighten
packing nut/wet-cup.
11. Pump rod damage 11. Repair pump. See pump manual 310643.
12. Low stall pressure 12. Turn pressure knob fully clockwise. Make sure
pressure control knob is properly installed
to allow full clockwise position. If problem
persists, replace pressure transducer.
13. Piston packings are worn
or damaged
13. Replace packings; see pump manual 310643.