MacDon PW8, Operator'S Manual

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Revision A
Figure 5.63: Drive Sprocket
2. Install drive sprocket (A), washer (B), and castle nut (C)
onto driveshaft.
3. Reinstall drive chain, but do NOT fully tension. Refer to
Installing Auger Drive Chain, page 189 .
Figure 5.64: Driven Sprocket
4. If header is not attached to combine, place a pry bar or
equivalent through a hole in the driven sprocket (A) and
against the frame to stop the driveshaft from rotating.
Figure 5.65: Drive Sprocket
5. Torque castle nut (A) to 68 Nm (50 lbf
∙
ft). If slot in castle
nut and hole in driveshaft are not aligned, continue to
tighten castle nut to 81 Nm (60 lbf
∙
ft). If alignment is still
not achieved, back off castle nut until it is possible to
install the cotter pin (B).
6. Install cotter pin (B) into driveshaft, and bend cotter pin
around castle nut (A).
7. Set drive chain (C) tension. Refer to Adjusting Auger
Drive Chain Tension, page 189 .
8. Close left endshield. Refer to 3.3.2 Closing Left
Endshield, page 30 .
MAINTENANCE AND SERVICING