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Greensmaster 3320/3420
DPA Cutting Units
Page 8 -- 15
CAUTION
Contact with the reel, bedknife or other cutting
unit parts can result in personal injury. Use
heavy gloves when handling the bedbar.
7. Remove bedbar assembly from cutting unit.
8. Inspect nylon bushings (item 15) and rubber bush-
ings (item 14) in side plates for wear or damage. Re-
move bushings and replace if necessary.
Bedbar Installation (Fig. 15)
1. If rubber bushing was removed f rom either cutting
unit side plate, apply grease to outside surface of new
bushing and install into side plate. The bushing should
be installed flush with the inside of the side plate (Fig.
16).
2. If removed, install the nylon bushings (item 15) with
flange facingoutward. Applyantiseize lubricantto inside
of flange bushing.
3. Apply antiseize lubricant to the bedbar threads and
the shoulder area of each bedbar pivot bolt (Fig. 16).
IMPORTANT: When installing washers (items 16
and 17), make sure that plastic washers are posi-
tioned on either side of the cutting unit sideplate
(Fig. 16).
4. Slideone(1)metal washer (item17) and thenone( 1)
plastic washer (item 16) onto each bedbar p ivot bolt.
CAUTION
Contact with the reel, bedknife or other cutting
unit parts can result in personal injury. Use
heavy gloves when handling the bedbar.
5. Position bedbar into cutting unit. Make sure that the
top ofeach bedbar arm isbetween washer (item 11) and
adjuster screw flange ( item 4).
6. Position one (1) metal washer (item 17) and one (1)
plastic washer (item 16) between bedbar and each cut-
ting unit side plate (Fig. 16).
7. Install the bedbar pivot bolt assemblies. Make sure
that plasticwashers are notcaught on the threads of the
pivot bolts. Torque each bedbar pivot bolt from 190 to
240 in--lb (22 to 27 N--m).
8. Tighten both lock nuts (item 10) until outside wash-
ers do not have any endplay but still can be rotated. Do
not over tighten the lock nuts as this can distort the side
platesandaffectreelbearingadjustment.When thelock
nut is correctly tightened, there may be a gap at the in-
side washers.
9. Tightenthe lock nut (item 13) on eachbedbar adjust-
er assembly until the adjuster spring is fully com-
pressed, then loosen lock nut 1/2 turn.
10.Adjust cutting unit (see Cutting Unit Operator’s
Manual).
11.Install cutting unit to machine.
1. Cutting unit sideplate
2. Rubber bushing
3. Nylon bushing
4. Plastic washer
5. Metal washer
6. Bedbar
7. Bedbar pivot bolt
8. Lock nut
Figure 16
1
2
3
4
6
7
8
5
4
Antiseize
Lubricant
5
DPA Cutting
Units