Nordson 25B - Page 25

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1044131-06
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Description
1
2
3
4
5
6
7
8
9
10
11
12
Suction Stroke
Air Pistion
Air Valve
Supply Air
Exhaust Air
Fluid Out
Plunger
Pressure Ball Check Closed
Siphon Ball Check Open
Fluid In
Pressure Stroke
Exhaust Air
Supply Air
Shifter
Fluid Out
Plunger
Pressure Ball Check Open
Siphon Ball Check Open
Figure 2-1 
1. Air Valve 6. Connecting tube 10. Pressure ball check
2. Air Motor 7. Plunger 11. Siphon ball check
3. Hydraulic section 8. Solvent chamber 12. Siphon port
4. Shifting mechanism 12. Diaphragm 13. High-pressure port
5. Piston 13. Upper and lower packings