INSTALLATION INSTRU CTIONS
3.6 Installing N ew Cutterbar Drive Gearbox
To install the new gearbox (MD #236983) provided in the kit, follow these steps:
1. Attach gearbox mounting plate (A) (MD #236985) to
frame with ten each of the following:
• 1.25 in. long grade 5 hex head bolts (MD #21491)
• USS hardened flat washers (B) (MD #137699)
• Flange lock nuts (MD #50186)
Mounting plate, bolts, washers, and nuts are all
provided in kit.
Figure 3.16: Gearbox Mounting Plate and
Hardware
2. Lift the left-hand end of the top cover and hold it up.
Figure 3.17: LH End of Top Cover
3. Position new gearbox (A) (MD #236983) inside the
frame against the gearbox mounting plate (B) as shown
at right.
IMPORTANT:
Use an appropriate lifting device. The gearbox
weighs approximately 68 kg (150 lb.).
NOTE:
Left-hand frame member and top cover removed
from illustration for clarity.
4. Lower top co ve r.
Figure 3.18: Gearbox Position
147974 18 Revision B
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