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Caution – MacDon A40-D Pull-Type User Manual

Page 144

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SECTION 7 MAINTENANCE AND SERVICING

169000

142

Revision F

7.10 REEL AND REEL DRIVE: A40-D

CAUTION

To avoid personal injury, before servicing
header/mower conditioner or opening drive
covers, follow procedures in Section 7.1
PREPARATION FOR SERVICING.

7.10.1 Reel Drive: A40-D

The reel drive gearbox and hydraulic motor are
a factory-assembled unit. The gearbox is sealed,
and requires no scheduled maintenance. If
service is required for either the gearbox or
motor, see your Dealer.

7.10.2 Reel Tines and Tine Bar Bearings:

A40-D

IMPORTANT

Keep reel tines in good condition.
Straighten or replace as required.

Separate procedures are required to replace
reel tines, depending on their location on

the reel.

7.10.2.1 Replacing Tine and Bearing: Cam End

- Disc #1

a. Loosen bolt on cover (A), and slide cover to

expose hole in cam disc. Rotate reel, and align
bearing with hole.

b. Remove cam follower bearing bolt (B),

bearing (C), and nut.

c. Disengage cam arm (D) from the cam track with

a pry bar.

d. Remove three shoulder bolts (E) and

keepers (F) that connect cam arm (D) and end
tines to tine bar.

e. Remove flangette mounting bolts (G), at discs

#1 and #2.

f. Position end of tine bar clear of cam disc, and

remove cam arm assembly (D), complete with
bearing assembly.

g. Replace bearing as follows:

1. Remove bolt (H), separate the flangettes (J),

and remove inboard flangette.

2. Loosen set screw in collar (K), and unlock

collar with a punch.

3. Slide bearing (L) off shaft, leaving outboard

flangette on shaft.

4. Slide replacement bearing onto shaft.

5. Assemble flangettes (J) with bolt (H), but do

NOT tighten.

(continued next page)

DISC #2

DISC #1

A

K

J

H

L

C

B

G

F

E

D

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