General Information
02-4 79034308 B Rev.
Variable Speed Drive Lockout
FIG. 2: Corn Header - The variable speed feature of
this drive is used only with the corn header. The variable
speed header drive can be very beneficial when
harvesting corn by enabling the operator to match the
corn header speed to the various field and operational
conditions.
Grain Header - When operating the machine with a grain
header, the variable speed header drive must be locked in
the slowest position as shown to prevent over speeding of
the header.
IMPORTANT: Over speeding will damage the grain
header.
FIG. 3: Lockout Position - When using a grain header,
actuate the variable speed lockout by slowing the variable
speed header drive to the slowest position.
The drive sheave on the pivot jackshaft must be out
against the heads of the drive pins (1).
Loosen the three bolts (2) that fasten the lockout ring (3)
to the sheave.
Rotate the ring clockwise as far as possible and tighten
the bolts.
Be sure the lockout ring covers the heads of the drive
pins, preventing inward movement of the sheave even if
the speed change control switch in the operator's console
is accidentally depressed.
Feeder Chain Speed
FIG. 4: The top feeder shaft (pivot) is belt driven from the
bottom feeder shaft (countershaft).
Install the drive belt (1) on the small driven pivot sheave
and on the large drive sheave (2).
FIG. 2
FIG. 3
FIG. 4
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