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3200 & 4200 Series -- 14 –
Operating Procedures: See “REAR UNLOAD OPERATION” (HYD or PTO) Page 18
HYDRAULIC CHECK VALVE AT REAR OF BOX
NOTE: The rear unloading gearbox and hydraulically
driven motor, hydraulic return line features a check
valve to protect and prevent any accidental damage
by mistakenly, or incorrectly coupling hydraulic hoses
to the tractor. The check valve is equipped with a re
-
verse flow feature which will allow the box to run in a
reverse direction for drive plate removal. Reverse hy
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draulic flow approximately 10-15 seconds to rotate
gearbox drive plate away from the removable drive
plate. DO NOT RUN IN REVERSE FOR UN
-
LOADING!
INDEPENDENT OUTFEED CLUTCH LEVER
STEP 3
Move the Independent Outfeed Clutch lever to
“STOP” (UP).
NOTE: The PTO driven independent outfeed
clutch can be used to clean out accumulation of
forage from the front unit cross conveyor without
changing the drive coupler for forage boxrear un
-
loading.
(Shield Removed For Illustrated Purposes Only)
PTO DRIVE REAR UNLOAD ENGAGE LEVER
STEP 4a (PTO DRIVE) or
Move the lever for PTO drive rear unloading to
the “ENGAGE” position (DOWN).
STEP 4b (HYDRAULIC DRIVE)
Couple both supply and return line hydraulic hoses of
the forage box to the hydraulic outlets of the towing trac
-
tor.