Auger And Auger Drive, A30-S And A30-D; Auger Drive Chain, A30-S; Tension; Removal - MacDon A30-S Operator's Manual

7.11 AUGER AND AUGER DRIVE,
A30-S AND A30-D
CAUTION
To avoid personal injury, before servicing
windrower or opening drive covers, follow
procedures in Section 6.1, Preparation for
Servicing.
7.11.1

Auger Drive Chain, A30-S

7.11.1.1 Tension

Adjust chain (A) tension as follows:
a. Open LH end shield.
A
b. Loosen three bolts (B).
c. Loosen jam-nut on adjuster bolt (C).
d. Turn adjuster bolt (C) to adjust chain (A) tension.
Deflection at (A) should be ¼ inch (6 mm).
e. Tighten bolts (B).
f. Tighten jam-nut on adjuster bolt (C).
g. Close end shield.
Form # 169000
MAINTENANCE/SERVICE
C
B
138

7.11.1.2 Removal

Remove chain (A) as follows:
a. Open LH end shield.
E
A
b. Loosen three bolts (B).
c. Loosen jam-nut on adjuster bolt (C).
d. Turn adjuster bolt (C) to loosen chain (A).
e. Remove chain.

7.11.1.3 Installation

Install chain (A) as follows:
a. Position chain (A) on sprockets as shown.
b. Turn adjuster bolt (C) to adjust chain tension.
Deflection at (A) should be ¼ inch (6 mm).
c. Tighten jam-nut on adjuster bolt (C).
Minor belt tension adjustments may be
made without affecting chain tension. For
major adjustments, like after repositioning
reel or auger, adjust chain tension before
belt tension.
d. Check auger drive V-belt (D) tension. Each belt
should deflect 3/16 in. (4 mm) at mid-span when
a load of 8-12 lbf (35-40 N) is applied to each
belt. If necessary, adjust as follows:
1. Loosen jam-nut on adjuster bolt (E).
2. Turn adjuster bolt (E) to achieve tension as
per above.
3. Tighten bolts (B).
4. Tighten jam-nut at (E).
e. Close shield before engaging header.
C
D
B
NOTE
Model Year - 2009