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6. Roll the cutting unit away from the traction unit.
Alternate Method
1. Lower center and wing cutting units to the ground,
set parking brake and stop engine.
2. Disconnect (3) hydraulic lines (quick couplers) and
wire harness at rear of deck.
3. Remove socket head screws securing drive shaft
yoke to gear box input shaft. Slide yoke off shaft.
4. Remove (2) capscrews and locknuts securing
cutting unit carrier frames to traction unit lift arms
(FIg. 17).
5. Slowly back traction unit away from cutting unit.
MOUNTING CUTTING UNIT TO TRACTION
UNIT
(Fig. 16–17)
1. With cutting unit on a level surface, move traction
unit into position, aligning drive shaft yoke with gear box
input shaft and lift arm ball joints with mounting holes in
castor arms. Shut engine off.
2. Secure ball joint mounts to castor arms with
capscrews, flatwashers and flangenuts. Tighten
capscrews and flangenuts to 100–110 ft–lb.
MAINTENANCE
3. Line up holes in yoke and input shaft of gear box.
Slide yoke onto shaft and secure together with socket
head screws. Torque screws to 20–25 ft–lb.
4. Start engine, raise center cutting unit slightly, so
rear deck straps can be mounted on lift arm brackets.
Stop engine after cutting unit is raised.
5. Secure rear deck straps to H.O.C. brackets on deck
with hair pin cotters and H.O.C. pins. Start engine and
lower center cutting unit completely to floor. Assure all
lift levers are in the float position and stop engine.
6. Connect wire harness and (3) hydraulic lines
couplers at rear of deck.
SAFETY DOOR ADJUSTMENT
On each side of the center deck is a safety door that
opens and closes as the wing decks are lowered and
raised (Fig. 18). The doors open to provide overlap of
the cutting blades when the wing units are down. The
doors close to provide safety and protection when the
wing units are raised. Check to make sure the forward,
lower edge of door (Fig. 18) is even or 1/4" higher then
lower edge of door guide when wing decks are in the
fully raised, transport position. If an adjustment to the
door is required, proceed as follows:
1. Loosen jam nuts securing ball joints to threaded
rod.
2. Rotate threaded rod to raise or lower edge of door
until is even or 1/4" higher then lower edge of door guide
when wing decks are in the fully raised, transport
position.
3. Tighten jams nuts to lock adjustment.
14
(Fig. 18)
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