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Revision B
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Figure 5.151: Drive Roller Bearing
4.
Install new bearing assembly (A) into roller by pushing on
the bearings outer race. The bearing is properly positioned
when a dimension of 14 mm (9/16 in.) (B) is achieved.
5.
Apply approximately 8 pumps of high temperature extreme
pressure (EP) performance with 1% max. molybdenum
disulphide (NLGI Grade 2) lithium base grease in front of
bearing.
6.
Position seal (C) at roller opening, and position a flat
washer (1.0 in. I.D. x 2.0 in. O.D.) onto seal.
7.
Tap seal into roller opening using a suitable socket on the
washer until it seats on the bearing assembly (A). Seal (C) is
properly positioned when a dimension of 3 mm (1/8 in.) (D)
is achieved.
Installing Draper Drive Roller
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Figure 5.152: Drive Roller
1.
Position drive roller (B) between the roller support arms.
2.
Install bolt (A) to secure the drive roller to the arm closest
to the cutterbar. Torque bolt to 95 Nm (70 lbf·ft).
3.
Grease the motor shaft and insert into the end of drive
roller (B).
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Figure 5.153: Drive Roller
4.
Secure the motor to the roller support with four bolts (B).
Torque to 27 Nm (20 lbf·ft).
NOTE:
Tighten any loosened bolts and reinstall plastic shield (C) if
previously removed.
5.
Ensure the motor is all the way into the roller, and tighten
the two set screws (not shown) through access hole (A).
NOTE:
The set screws are 1/4 turn apart.
