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John Deere Air Reel Owner’s Manual
54
ASSEMBLY
Separate gearbox and fan. Refer to Figure 74.
Loosen the set screw securing the indicator
weldment and remove from butterfly shaft.
Remove 3/8” x 1-1/4” bolts connecting fan
housings and separate.
Loosen 3/4” castle nut and remove washer
and nut from gearbox shaft.
Remove fan rotor and spacer washers.
Remove bolts connecting lower fan housing
to gearbox flange.
Attach extension shaft/hub assembly.
Bolt extension shaft/hub assembly to gearbox
flange with 1/2” x 1” bolts. Rotate extension
shaft so the key in the coupler at the bottom
of the shaft lines up with the keyway on the
gearbox shaft.
Place bearing retainer plate and washers onto
end of extension shaft/hub assembly.
Bolt lower fan housing to extension flange with
1/2 x 1” bolts.
Attach spacer washers and fan rotor to exten-
sion shaft and secure with washer and 3/4”
castle nut.
Bolt upper fan housing to lower fan housing
with 3/8” x 1-1/4” bolts.
Reinstall indicator weldment onto butterfly
shaft and tighten set screw.
1.
A.
B.
C.
D.
E.
2.
A.
B.
C.
D.
E.
F.
Mount gearbox/fan extension to combine.
Refer to Section 4.4 for fan/gearbox installa-
tion instructions.
Select appropriate support bracket for com-
bine model.
Bolt mounting bracket onto header.
Remove upper RH bolt on gearbox mount
plate. Bolt support bracket in the location
bolt was removed using provided 1/2” X 1-
1/2” bolt.
Attach gearbox/fan extension to support
bracket with provided u-bolt.
Operate the Air Reel as instructed in this
manual.
3.
A.
B.
C.
D.
E.
F.
4.27.3 GEARbOX/FAN EXTENSiON
The gearbox/fan extension option is designed to extend
the fan up to eliminate clearance problems with headers
smaller than 20’ and combines with dual tires. When in-
stalling the gearbox fan extension kit, follow this proce-
dure.
iMPORTANT
Place all controls in neutral or off, stop combine engine,
set parking brake, remove ignition key, set cylinder
stops, wait for all moving parts to stop, then properly
block machine before servicing, adjusting, repairing, or
unplugging.
4.27 OPTiONAL EqUiPMENT