214804
132
Revision A
4.7.9
Knife Drive Box
The knife drive box converts rotational motion from the windrower header driveshaft to reciprocating motion for
the knife.
Figure 4.45: Knife Drive Box
The heavy-duty oil bath knife drive box (A) uses tapered
roller bearings on the input shaft and yoke for increased
durability. The pulley and drive arm connections are straight
splines with clamping bolts.
The oil level in the knife drive box (A) is checked with a
dipstick that is incorporated into the breather (B).
Mounting Bolts
CAUTION
To avoid bodily injury or death from unexpected startup of machine, always stop engine and remove key
from ignition before leaving operator
’
s seat for any reason.
Figure 4.46: Knife Drive Box
Check torque of four knife drive box mounting bolts (A) after
the first 10 hours operation, and every 100 hours thereafter.
Torque bolts to 270 Nm (200 lbf·ft). When tightening, start
with the side mounting bolts.
Содержание A40-D
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