H&S HDNR 7+4 Operator's Manual / Parts Book page 19

Front & rear unload forage box
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OPERATION OF FRONT UNLOAD FORAGE BOX
1. Park the Forage Box on level ground whenever possible during unloading. Lock tractor parking brake
2. Connect the PTO to a tractor with a 540 PTO ONLY, locking securely in place as stated in the
PREPARING FOR OPERATION SECTION.
3. Engage PTO
NOTE: Do NOT exceed the rated 540
RPM operating speed of the Forage
Box
4.
To engage cross conveyor
INTERMITTENTLY,
lever (A) clockwise and hold with hand
pressure.
If
hand
removed, the cross conveyor will
stop.
5. To engage the cross conveyor
CONTINUOUSLY, rotate clutch lever
clockwise until it locks in the engage
position. Cross conveyor speed is
controlled by the tractor RPM only.
6. Quickly engaging/disengage beater lever will allow beaters to clear material a little at a time to avoid
exceeding blower capacity. This single lever controls both beater engage/disengage and the speed of
the main feeder aprons. CAUTION: DO NOT ENGAGE BEATERS OR MAIN APRONS WHEN CROSS
CONVEYOR IS FULL OF MATERIAL OR DAMAGE TO FORAGE BOX WILL RESULT.
7. When beaters are clear of material, move control lever to apron speed position. Variable speed
drive offers you a number of unloading speeds to choose from. Rotating the lever downward
starts and gradually increases main apron speed. With experience and depending on the type of forage,
you will be able to select a speed which will match your blower capacity. Unloading speed may also
be varied by increasing or decreasing engine speed of tractor.
8. If it is necessary to trip the stop mechanism and disengage the Forage Box drive before the box
empty, restart unloading by engaging clutch lever.
9. Clean out position is for cleaning out the forage box at the end of the load.
10.
When the Forage Box is empty, move the control lever to disengage position. AFTER
UNLOADING, ALWAYS RETURN THE CONTROL LEVER TO THE NEUTRAL POSITION WITH PTO
RUNNING.
11.
Disconnect the PTO and place it in the convenient holder for field and road use.
OPERATION
rotate
clutch
is
pressure
A
-17-
B

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