PN 12071 R122210
13
NOTE
Apply a medium strength thread locking agent to the bolts
used to secure the gearbox mount to the header and the
gearbox to the mount.
ASSEMBLY
GEARBOX
MOUNT
PLATE
1/2” x 1-1/4” SERRATED
FLANGE BOLT
MOUNT PLATE
SUPPORT
1/2” x 1-1/4” SERRATED
FLANGE BOLT
4.3 GEARBOX/FAN MOUNT
Place all controls in neutral or off, stop combine engine,
set parking brake, remove ignition key, wait for all mov-
ing parts to stop, then properly block machine before
servicing, adjusting, repairing, or unplugging.
WARNING
Figure 6: Mount plate support
1. Position the mount plate support on the rear right hand
side of the header as shown in Figure 6. Refer to Table
1 for Dimension “A.”
2. Using the mount plate support as a template, drill four
27/64” holes through the top and bottom mount plate
support holes and into the rear header panel. Tap the
holes for 1/2” bolts.
3. Install the mount plate support to the header with four
1/2” x 1-1/4” serrated flange bolts (Figure 7). Torque
bolts to 75 ft-lbs.
4. Attach the gearbox mount plates to the mount plate
support with four 1/2” x 1-1/4” serrated flange bolts and
locknuts. Do not tighten yet.
5. Use a jack or hoist to position the gearbox inside the
gearbox mount plates. Using four 1/2” x 1-1/4” serrated
flange bolts and washers, attach the gearbox to the top
set of mount plate holes. Do not tighten yet.
6. Check the gearbox and, if necessary, fill the gearbox
with lube before use.
Use Mobilube SHC 75W-90 synthetic gear lube or
equivalent with the following specifications:
API Service GL-5/MT.1
MIL-L-2105D
MACK GO-J PLUS
SAE J2360
Capacity: 40 oz. (1.2 L)
HEADER WIDTH
DIMENSION “A”
15’
23.50”
16’
23.50”
18’
29.50”
20’
23.50”
22’
29.50”
25’ (8200 & Challenger headers)
16.00”
25’ (all other headers)
23.50”
30’ (8200 & Challenger headers)
25.50”
30’ (all other headers)
29.50”
35’
29.50”
Table 1, Measurements for Dimension “A”
Figure 7: Gearbox mount kit