MacDon M155, Operator'S Manual

Page: 433 / 510

MAINTENANCE AND SERVICING
Installing Drive Wheel
NOTE:
Windrower must be supported off the ground with
stands. Refer to
Raising Drive Wheel, page 415
.
1. Position drive wheel (A) against the wheel drive
hub (B) so the air valve (C) is on the outside and the
tire tread (D) points forward with the windrower in
cab-forward orientation.
NOTE:
For turf tires (diamond tread), be sure arrow on
sidewall points in forward rotation with windrower
in cab-forward orientation.
2. Lift wheel onto hub using a lifting device.
3. Lower lifting device.
Figure 5.209: Drive Wheel Assembly
4. Line up the holes in the rim with the studs on the wheel
drive hub and install wheel nuts (A).
IMPORTANT:
To avoid damage to wheel rims and studs,
tighten nuts by hand. Do
NOT
use an impact
gun, do
NOT
use lubricant or Never-Seez
®
compound, and do
NOT
overtighten wheel nuts.
5. Torque drive wheel nuts, refer to
Tightening Drive
Wheel Nuts, page 412
.
6. Repeat tightening sequence two additional times
ensuring the speci fi ed torque of 375 ft · lbf (510 N · m) is
achieved each time.
7. Lower the windrower, and remove jack, refer to
Lowering Drive Wheel, page 417
.
8. Repeat torque procedure every hour until two
consecutive checks con fi rm there is no movement of
the nuts.
Figure 5.210: Drive Wheel Nuts
Lowering Drive Wheel
This procedure is for lowering the drive wheel when it is raised on a jack stand. This procedure can be used on
both drive wheels.
CAUTION
Jack stand must be capable of supporting a minimum of 5000 lb (2268 kg).
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417
Revision A