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1. Spray gun tip too large or worn
2. Suction filter clogged
3. Loose suction line connection
4. Malfunctioning pressure gauge
5. Malfunctioning pressure regula-
tor
6. Worn pump suction and dis-
charge valves
7. Over speeding the pump
8. Suction line too small
9. Pulsation dampening chamber
full of water
10. Worn pump valve chamber
11. Foreign object in suction line
12. Plunger packing worn
13. Pump drive belts loose
14. Pressure regulator by-pass
valve open
15. Suction line valve closed
16.
Drive pulley spinning on pump
TROUBLESHOOTING REFERENCE NUMBERS
REPAIR KITS
Page 10
43-530-200
P 530 & P550 Complete Regulator
43-550-525
▲
Pump Packing Rebuild Kit Includes Ref # 45—49N
43-550-335 X
Pump Cylinder Assembly
43-550-550 ●
Pump Valve Kit Includes 6 of Ref #
43-550-580 ■
Pump Rebuild Kit Includes Kit 43-550-525 & 43-550.550
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Содержание P550
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