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GENERAL MAINTENANCE
Note: Although not required for normal maintenance
procedures, the cutting unit may be pivoted (tilted) to a
upright position. Should you desire to tilt the cutting unit,
use the following procedure:
To Pivot (Tilt) Cutting Unit Upright:
1. Drive machine onto ramps to raise front of machine.
2. Lower center and wing cutting units to the ground:
then raise center cutting unit slightly, until rear deck
straps hang freely on lift arm brackets. Stop engine after
cutting unit is raised. Set parking brake.
2. Disconnect (3) hydraulic lines (quick couplers) and
wire harness at rear of deck (Fig. 14).
3. Remove hairpin cotters and H.O.C. pins securing
rear deck straps to H.O.C. brackets on deck (Fig. 14).
4. Start engine and lower center cutting unit to the
ground. Stop engine after cutting unit is lowered.
5. Remove socket head screws securing drive shaft
yoke gear box input shaft. Slide yoke off shaft (Fig. 15).
MAINTENANCE
6. Sit on seat, start the engine and slowly raise the
center cutting unit allowing cutting unit to pivot upright.
Stop the engine and remove the key from the ignition
switch.
To Pivot Cutting Unit down into Operating Position:
1. Sit on seat, start the engine and slowly lower the
cutting units to the ground: then raise center cutting unit
slightly, so rear deck straps can be mounted to lift arm
brackets. Stop engine after cutting unit is raised. Set
parking brake.
2. 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.
3. 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.
4. Connect wire harness and (3) hydraulic lines
couplers at rear of deck.
SEPARATING CUTTING UNIT FROM
TRACTION UNIT
1. Lower center and wing cutting units to the ground:
then raise center cutting unit slightly, until rear deck
straps hang freely on lift arm brackets. Stop engine after
cutting unit is raised. Set parking brake.
2. Remove hairpin cotters and H.O.C. pins securing
rear deck straps to H.O.C. brackets on deck. Start
engine and lower center cutting unit completely to floor.
Stop engine after cutting unit is lowered.
3. Disconnect (3) hydraulic lines (quick couplers) and
wire harness at rear of deck.
4. Remove socket head screws securing drive shaft
yoke to gear box input shaft. Slide yoke off shaft.
5. Remove (4) capscrews, flatwashers and flange
nuts securing ball joint mounts to castor arms on cutting
unit.
13
(Fig. 16–17)
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