Multi Pro 5700 - Toro

Pressure Dampener
The pressure dampener is mounted to the pressure line
at the spray pump (Fig. 4) and is used to smooth system
pressure pulsation. Adjust air pressure on the pressure
dampener from 12 to 15 PSI (.83 to 1.03 bar).
2
3
IMPORTANT: Any fluid in the pressure dampener
will include spray system chemicals so take necessary
precautions when working with the dampener.
Use appropriate protective equipment: protective
clothing, chemical resistant gloves and eye protection.
1
If fluid is present when pressure in the dampener is
checked, the diaphragm in the pressure dampener is
damaged and should be replaced.
Dampener Service (Fig. 5) Figure 4
1. Spray pump 3. Pressure hose
IMPORTANT: Make sure to neutralize and remove 2. Pressure dampener
chemicals from pump and hoses before loosening
and removing spray system components.
3
4
1. Loosen and remove twelve (12) cap screws and nuts
5
that secure diaphragm between housings.
2
2. Remove diaphragm from dampener. 8
3. Replace diaphragm and reassemble dampener.
7
6
1
Figure 5
1. Spray pump 5. Diaphragm
2. O–ring 6. Front housing
3. Hex nut (12 used) 7. Cap screw (12 used)
4. Rear housing 8. Air valve
Spray
System
Multi Pro 5700–D Page 6 – 9 Spray System