McHale V Series Baler
105
9.17 Chain adjustments
It is important for the efficient operation of the machine that all drive chains are kept
correctly tensioned. The following is a general guide to chain adjustment.
The sag is measured at the midpoint of the chain between the sprockets. Always
ensure one side of the chain is tight so that the correct reading is obtained. Even though
some drives differ in detail the basic adjustments stay the same.
The following chains will require an inspection for sagging after the first 500 bales and
must be inspected once per 1,000 bales after that.
9.17.1 Main drive chain adjustment
Adjust turn buckle (A) until the gap between the coils of the spring is 2-3 mm. As the
chain wears the gap (D) will need to be reduced. If there is no more adjustment
available in the turn buckle (A) the end of spring (B) can be moved to location (C) on
the chain tensioner bracket.
Always inspect the chain tension after adjustment.
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