SECTION 7 MAINTENANCE AND SERVICING
Form 169000 / 169040
173
Revision D
7.14 WHEELS, TIRES, AND HITCH:
PULL-TYPE
CAUTION
To avoid personal injury, before servicing
header/mower conditioner or opening drive
covers, follow procedures in Section 7.1
PREPARATION FOR SERVICING.
7.14.1 Wheel Bolts
IMPORTANT
Check and tighten wheel bolts after the
first hour of operation, and every 100
hours thereafter.
IMPORTANT
Whenever a wheel is removed and
re-installed, check torque after one hour of
operation. Maintain 120 ft·lbf (160 N·m)
torque.
7.14.2 Wheel Removal
a. Lower header to the ground.
b. Retrieve jack (5000 lb capacity) from storage
position on APT.
c. Position jack on mount provided on frame leg as
shown, and raise tire just off the ground. Place
block under frame leg.
d. Remove
wheel
bolts.
e. Remove
wheel.
7.14.3 Wheel Installation
CAUTION
When installing wheel be sure to use the
holes that are countersunk to match bolt
head profile.
The “uncountersunk” holes do not seat the
bolts correctly.
IMPORTANT
Follow proper bolt tightening sequence
shown. Be sure valve stem (A) points
away from wheel support.
a. Position wheel on spindle, and install bolts.
Partially tighten.
b. Remove blocks, and raise jack until tire contacts
the ground.
c. Torque bolts to 120 ft·lbf (160 N·m) in
accordance with tightening sequence shown.
d. Raise jack completely, remove from leg and
store on APT.
1
2
3
4
5
6
A
BLOCK
