Page 18
472H Potato Harvester Owner Operator’s Manual
When
UNHOOKING
the machine from the tractor, follow
this procedure.
1.
Clear the area of bystanders, especially small children.
2.
Select a level, dry area, free of debris.
3.
Position the machine in the location desired.
4.
Shut down tractor and relieve the pressure in all hydrau-
lic circuits.
5.
Disconnect power leads from electrical boxes.
6.
Stow wiring harnesses on the hitch.
7.
Disconnect all hydraulic lines from the tractor and stow
on the hitch. Be sure the ends remain clean and un-
damaged.
8.
Disconnect PTO by pulling the locking collar and simul-
taneously pulling the implement input driveline off the
PTO shaft.
WARNING
Place all controls in neutral or off, stop tractor engine, set
parking brake, remove ignition key, wait for all moving parts
to stop, then properly block machine before servicing, ad-
justing, unhooking, attaching, repairing, or unplugging.
9.
Jack harvester hitch to clear tractor drawbar.
10. Place blocks or a stand under the front of the hitch for
support.
11. Pull tractor slowly away from harvester.
Fig. #9 Unhooking PTO
WARNING
Heavy tongue weight can cause severe injury or death.
Support the jack and tongue securely. Approximate
tongue weight is 3500 lbs. Refer to tractor manual for
drawbar ratings, and follow tractor manufacturer rec-
ommendations if drawbar needs additional support.
3.6 OPERATING (CONT’D)
3.6.2 UNHOOKING IMPLEMENT FROM TRAC-
TOR
