CropHawk Draper Platform Operators Manual 43
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Feed Drum
Service / maintenance
Drum Internal Inspection
NOTE: Drum covers should be removed and internal components inspected for wear and damage periodically
during the season. A build-up of chaff and dust should also be cleaned out of the drum at this time.
Retractable Finger Guide Replacement
IMPORTANT: Drum components can run hot, use protective equipment when servicing.
1.
Remove drum covers (A).
2.
Remove internal lock nut on guides to be
replaced (B).
3.
Remove guide cover plates (C).
4.
Replace guide (cover and guide seat
should also be replaced if damaged or
worn).
Retractable Finger Replacement
NOTE: Bent or damaged retractable fingers must be replaced immediately, broken or loose fingers floating in-
side the drum can cause serious damage.
1.
Remove drum covers (A) see image
1
above.
2.
Remove finger retainer bolt (D) see image
3
above.
3.
Remove damaged finger (F) see image
3
above
also remove and inspect big-end bearing (E) see image
3
above
.
4.
If damaged or worn replace big-end bearing (E) see image
3
above
, and re-install new retractable finger
(F) see image
3
above
, tighten retractable finger retaining bolts to a maximum of 34nm (25 ft-lb).
5.
Refit drum covers (A) see image
1
above.
NOTE: Big end bearings that show discoloration or fine cracks should be replaced.
A
B
C
D
E
F
Image 1
Image 2
Image 3