Troubleshooting
309028ZAT
53
Pump Troubleshooting
For additional information about the displacement Pump, refer to
on page 3 to find the applicable
instruction manual.
Problem
Cause
Solution
Rapid downstroke or upstroke
(pump cavitation)
Air is trapped in Pump.
Bleed air from the Pump using this
procedure:
1. Place a waste container under
the Pump Bleed Port (Q).
2. Press the PRIME PUMP
Pushbutton to turn on air to the
Pump.
3. Allow material to flow from the
Bleed Port until it is air-free.
4. Release the PRIME PUMP
Pushbutton to shut off air to the
Pump. Close the Bleed Port.
5. Turn air on to the Pump and set
the Pump air regulator for normal
operation.
Downstroke: Lower check in Pump
is worn.
Upstroke: Upper check in Pump is
worn.
Rebuild and replace Pump, as
necessary.
Material leaks around Pump outlet
Outlet fitting is loose.
Tighten outlet fitting.
Material leaks around Bleed Port (Q) Bleed Port fitting is loose.
Tighten Bleed Port fitting.
Pump won’t move up or down
Problem with air motor.
chart on page 54.
Foreign object lodged in Pump.
Remove object and rebuild Pump
assembly.
Wet cup leaks
Worn throat packings.
Tighten wet cup. Replace throat
packings.
Содержание 309028ZAT
Страница 14: ...Component Identification 14 309028ZAT FIG 5 Pneumatic Logic Panel Interior AJ AK AL ...
Страница 41: ...Junction Box Panel Service 309028ZAT 41 FIG 20 T10196 Pressure Switch Solenoid Valve ...
Страница 75: ...Parts 309028ZAT 75 Follower Plate Assembly 241891 and 243510 FIG 32 ...
Страница 77: ...Parts 309028ZAT 77 PLC Pneumatic Logic Panel FIG 33 915 909 905 915 910 917 906 ...
Страница 78: ...Parts 78 309028ZAT FIG 34 945a 955 939a 912b 912a 914a 954a 909a 953a 901b 902b ...
Страница 80: ...Parts 80 309028ZAT PLC Interface Accessory Kit 241838 and 24V775 FIG 35 ...
Страница 82: ...Parts 82 309028ZAT Junction Box Panel 195320 and 119773 FIG 36 ...
Страница 84: ...Parts 84 309028ZAT Follower Plate 233041 FIG 37 413c 413b 413a DETAIL A DETAIL B SEE DETAIL B SEE DETAIL A ...
Страница 88: ...Parts 88 309028ZAT Elevator Assembly 241902 FIG 39 Ref Ref Ref ...
Страница 93: ...Pneumatic Diagram 309028ZAT 93 ...