McHale HS2000 Round Bale Wrapper
36
5.9.3 Setup (F)
1. Fit wrapper hitch to baler as appropriate. This will depend on the model of baler
to which it is being fitted.
2. Fit combined flow control/diverter valve in an appropriate position on the baler.
For example at the back end of the baler hitch (above pick up reel).
3. Select a double acting spool valve on the tractor (preferably with a detent to
hold the lever open in one position). This will be used for operating the rear
door and the wrapper.
4. Connect a hydraulic hose from Port B on the flow control/diverter valve to one
side of the selected spool valve.
5. Connect another hydraulic hose from Port A on the flow control/diverter valve
to other side of the selected spool valve.
6. Connect baler door closing hose to Port 3 on flow control/diverter valve.
7. Connect baler door opening hose to Port 1 on flow control/diverter valve.
8. Connect Port 2 on the flow control/diverter valve to the wrapper feed hose. This
ends at the wrapper hitch on the baler.
9. Connect wrapper return directly to a freeflow return to tank on the tractor. Refer
to your tractor manual to see where this is best achieved. This freeflow is very
important so that the working of the wrapper will not be impaired.
10. Remove knob of selected spool valve handle on tractor. Replace with supplied
handle fitted with switch.
11. Connect power lead into lead that supplies electronic control box.
12. Connect solenoid connector to connection on flow control/diverter valve.
13. When baler is removed from tractor the loom may be split at the connector.
The system works as follows:
1. Push switch and move tractor hydraulic valve lever in one direction to open
rear door.
2. Push switch and move tractor hydraulic valve lever in opposite direction to
close rear door. Release switch and hold the lever to supply feed to the
wrapper.
NOTE: The graduated flow control knob must be adjusted to give
an oil flow to the wrapper of 25-30 l/min, just enough to allow the
wrapper to work
The first symptom of low oil flow is that the cut and hold will not release
enough to catch the plastic at the end of the cycle.
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