Caution – MacDon A40-D Pull-Type User Manual
Page 163
SECTION 7 MAINTENANCE AND SERVICING
169000
161
Revision F
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
reinstalled, check torque after one hour
of operation. Maintain 120 ft·lbf
(160 N·m) torque.
7.14.2 Removing Wheel
a. Lower header to the ground.
b. Retrieve jack (5000 lb. capacity) from storage
position on Articulating Power Tongue (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 Installing Wheel
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 Articulating Power Tongue (APT).
1
2
3
4
5
6
A
BLOCK