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Caution – MacDon A40-D Pull-Type User Manual

Page 163

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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

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