MAC215990
378
Revision A
2.
Adjust drive roller (A) to change
C
(refer to Table
and Figure
) as follows:
a.
Loosen nuts (F), (M), and (N), and jam nut (G).
b.
Turn adjuster nut (H).
c.
Tighten nuts (F), (M), and (N), and jam nut (G).
3.
Adjust idler roller (B) to change
D
(refer to Table
and Figure
) as follows:
a.
Loosen nut (J) and jam nut (K).
b.
Turn adjuster nut (L).
NOTE:
If the draper does not track at the idler roller end after the idler roller has been adjusted, the drive roller is likely not in
line with the deck. Adjust the drive roller, and then readjust the idler roller.
c.
Tighten nut (J) and jam nut (K).
4.12.6
Inspecting Draper Roller Bearing
The draper rollers have non-greaseable bearings; however, the external seal should be checked every 200 hours (more
frequently in sandy conditions) to achieve maximum bearing life.
Using an infrared thermometer, check for faulty draper roller bearings as follows:
1009699
B
A
C
Figure 4.250: Roller Arms
1.
Engage the header and run the drapers for approximately
3 minutes.
2.
Check the temperature of the draper roller bearings at each
of roller arms (A), (B), and (C) on each deck. Ensure the
temperature does not exceed 44°C (80°F) above the
ambient temperature.
Replace roller bearings that exceed maximum
recommended temperature. For instructions, refer to:
•
4.12.8 Replacing Side Draper Deck Idler Roller Bearing,
page 380
•
4.12.11 Replacing Side Draper Drive Roller Bearing, page
385
4.12.7
Removing Side Draper Deck Idler Roller
The side draper deck has a roller on either end of the deck. One is the idler roller and one is the drive roller.
DANGER
To prevent bodily injury or death from the unexpected start-up or fall of a raised machine, always stop the engine and
remove the key before leaving the operator
’
s seat, and always engage the safety props before going under the
machine for any reason.
DANGER
Ensure that all bystanders have cleared the area.
1.
Start the engine and engage the header until the side draper connector is accessible (preferably close to the outboard
end of the deck).
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