Caster pivot locks (s/n a1057v+), Locking casters, Unlocking casters – Great Plains 3P806NT Operator Manual User Manual
Page 27

Great Plains Manufacturing, Inc.
Operating Instructions
23
2011-12-20
151-143M
Caster Pivot Locks (s/n A1057V+)
(applies to drills with serial numbers A1057V+
for serial number A1056V-, see page 24)
To prevent side movement of the drill when transported
by trailer, the lift-assist casters may be locked in their
full-reversing orientation. The lift assist ONLY locks in
reverse.
Use this feature only for trailer transport. Do not use
these locks for semi-mounted towing or field operations.
Locking Casters
Refer to Figure 15
1.
With drill hitched, raise both tractor 3-point lift arms
and lift assist (page 20). Install lift lock channel
.
2.
Pull or back drill onto trailer bed.
Note: On extremely narrow trailer beds, it may be
necessary to lock the casters before moving the
drill onto the trailer. Make sure drill is precisely
aligned for the final move, as maneuverability is
greatly reduced with lock pins in place.
3.
On both casters lIft and turn spring loaded lock pin
plungers
90 degrees. Move in reverse, lock pins
snap into place in the caster plate cutouts
when
aligned under each lock tube.
4.
Lower drill.
Unlocking Casters
Refer to Figure 15
1.
Hitch drill before unlocking.
2.
Leave the lock pins
in place until the drill is
removed from the trailer, unless the trailer bed has
more than ample width to permit casters to safely
make a full turn.
3.
Lift lock pins
out of lock plate holes and turn 90
degrees to hold in the unlock position.
Figure 15
Caster Pivot Locked (s/n A1057V+)
32058
1
2
3
3
2
1
2
3
2
2