7.11 FRAME, DRAWBAR, ATTACHMENTS
7.11.1 Frame
Check the welding for cracks or deformations once a month.
7.11.2 Main components, fastening points
Check all major bolt connections and re-tighten if necessary.
l Drawbar—frame
l Drawbar—eye
l Chamber—frame
l Feed hopper—frame
l Elevator—frame
Pay extra attention to the bolts fixing the draw bar and eye. (574 Nm)
Figure 7.30 :
Fixing bolts for drawbar eye
7.12 CHAMBER ROLLER BUSHINGS
IMPORTANT: The bushings must be controlled every 5000 bales produced, or when 1000 hours of operation are
reached. Whatever comes first.
IMPORTANT: The distributed load to the bearings will not be even, and therefore the wear is not evenly dis-
tributed inside the bearing.
7.12.1 Wear inspection
A quick control of the degree of wear (clearance) might be done with a crowbar and a dial gauge. If no
excessive wear is found, there’s no need for further dismantling of the bushings.
7 MAINTENANCE AND MECHANICAL ADJUSTMENTS 84
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