6draper roller maintenance, Inspecting draper roller bearing, Draper roller maintenance – MacDon FD75 OM User Manual
Page 354: 6 draper roller maintenance
5.
Set deck (A) to 5/16–3/8 in.
(8–9 mm) below the
cutterbar (C) to create a seal.
6.
Tighten deck support hardware (D).
7.
Check dimension (B) again it should be set to
5/16–3/8 in. (8–9 mm).
8.
Tension draper. Refer to
.
Figure 6.172: Deck Support
6.11.6
Draper Roller Maintenance
The draper rollers have non-greaseable bearings. The external seal should be checked every 200 hours (and
more frequently in sandy conditions) to obtain the maximum bearing life.
Inspecting Draper Roller Bearing
Procedure to inspect draper roller bearings.
1.
If a bad bearing is suspected in one of the
draper rollers, a quick way to check is using a
infrared thermometer.
2.
Engage header and run for approximately 3 minutes.
3.
Check
the
temperature
each
of
the
roller
arms (A), (B), (C) on each deck.
They should not
exceed 80°F (27°C) above ambient temperature.
Figure 6.173: Roller Arms
169894
340
Revision A