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4-7 UNHITCHING FROM TRACTOR
WARNING
TO AVOID SERIOUS INJURY OR
DEATH, STOP TRACTOR ENGINE,
SHIFT TO PARK POSITION OR SHIFT
TO NEUTRAL AND SET BRAKES BE-
FORE UNHITCHING.
Figure 4-12 Lockup in Lockup Position
4-10
4-7.1
Chisel Lowered
IMPORTANT
TO PREVENT CHISEL POINT DAMAGE, DO
NOT LOWER CHISEL ON CONCRETE OR
ROCKS.
a. Choose a level area to unhitch. Lower chisel
plow to ground.
b. Using tractor control lever, relieve pressure
in hydraulic system.
c. Disconnect hydraulic hoses and install cou-
pler dust caps.
d. Install jack. Remove transport safety chain
and hitch pin.
e. Perform "End of Day" service as outlined in
the SERVICE Section.
4-7.2
Chisel Raised
a. Choose a level area to unhitch.
b. Install lockup on rockshaft and secure with
L-pin and cotter pin (See Figure 4-12).
c. Securely block wheels.
d. Follow Section 4-7.1., steps b. - e.
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