Replacing Accelerators - MacDon R85 Operator's Manual

Replacing Accelerators

Follow these steps to replace the accelerators:
DANGER
To avoid bodily injury or death from unexpected startup of the machine, always stop the engine and
remove the key from the ignition before leaving the operator's seat for any reason.
1. Raise the header fully.
2. Stop the engine and remove the key.
3. Engage header safety props. Refer to
4. Remove disc (D). Refer to
Disc, page 138.
5. Remove bolt and nut (A) and nut (B).
6. Remove accelerator (C) from disc (D).
IMPORTANT:
Do NOT remove cutterblade bolt unless it or the blade
is being replaced. Repeat for other accelerator.
7. Install a new accelerator on disc onto existing
cutterblade bolt. Install nut (B).
NOTE:
Accelerators are handed for clockwise or
counterclockwise operation. Verify the direction of disc
before installing accelerators.
8. Install hex bolt (A) and nut at inboard hole. Bolt head
faces up.
9. Tighten both nuts to 135 Nm (100 lbf·ft).
10. Repeat for other accelerator.
11. Reinstall disc (D) on spindle. Refer to
Cutterbar Disc, page
12. Remove block of wood (if used).
WARNING
Ensure cutterbar is completely clear of foreign objects. These objects can be ejected with
considerable force when the machine is started and may result in serious injury or machine damage.
13. Close the cutterbar doors. Refer to
214366
MAINTENANCE AND SERVICING
3.3 Engaging and Disengaging Header Safety Props, page
5.3.3 Removing a Cutterbar
5.3.4 Installing a
139.
3.5 Cutterbar Doors, page
A
Figure 5.26: Disc Accelerator
33.
147
28.
B
C
D
Revision A