Reel And Reel Drive: A30-S, A30-D; Reel Drive Chain: A30-S, A30-D - MacDon A30-S Operator's Manual

7.9 REEL AND REEL DRIVE: A30-S,
A30-D
CAUTION
To avoid personal injury, before servicing
header/mower conditioner or opening drive
covers, follow procedures in Section 7.1
PREPARATION FOR SERVICING.
7.9.1

Reel Drive Chain: A30-S, A30-D

7.9.1.1 Tension
For major adjustments, such as after re-
positioning reel or auger, adjust belt
tension before chain tension.
Adjust reel drive chain (A) tension as follows:
a. Open shield on header RH side.
C
b. Loosen nut (B) on idler sprocket.
c. Loosen jam-nut on adjuster bolt (C), and back
off.
d. To increase tension, turn adjuster bolt (C) to
move idler sprocket downward until total chain
slack at (A) is 1/4 in. (6 mm).
e. Tighten jam-nut at (C) and nut (B), and re-check
tension.
f. Close shield before engaging header.
Form 169000 / 169040
SECTION 7 MAINTENANCE AND SERVICING
NOTE
B
A
7.9.1.2 Removal
Remove reel drive chain (A) as follows:
a. Open shield on header RH side.
D
b. Remove reel drive belt (D) from pulley (E).
Refer to Section 7.9.2 Reel Drive Belts: A30-S,
A30-D.
c. Loosen nut (B) on idler sprocket.
d. Loosen jam-nut on adjuster bolt (C) and back
off.
e. Turn adjuster bolt (C) to loosen chain.
f. Remove chain from sprockets.
7.9.1.3 Installation
Install reel drive chain (A) as follows:
a. Position chain (A) around sprockets as shown.
b. Install and tighten reel drive belts (D). Refer to
Section 7.9.2 Reel Drive Belts: A30-S, A30-D.
c. Turn adjuster bolt (C) to move idler sprocket
downward until total chain slack at (A) is 1/4 in.
(6 mm).
d. Rotate auger, and check chain for slack at
tightest point.
sprocket to achieve required slack.
e. Tighten jam-nut at (C) and nut (B), and re-check
tension.
f. Close shield before engaging header.
145
E
B
C
A
Re-adjust position of idler
Revision D