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

7.11 AUGER AND AUGER 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.

7.11.1 Auger Drive Chain: A30-S

7.11.1.1 Tension
Adjust chain (A) tension as follows:
CAUTION
Stop engine, and remove key from ignition
before leaving Operator's seat for any
reason. A child or even a pet could engage
an idling machine.
a. Open LH endshield.
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 1/4 in. (6 mm).
e. Tighten bolts (B).
f. Tighten jam-nut on adjuster bolt (C).
g. Close endshield.
Form 169000 / 169040
SECTION 7 MAINTENANCE AND SERVICING
C
B
7.11.1.2 Removal
Remove chain (A) as follows:
a. Open LH endshield.
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 1/4 in. (6 mm).
c. Tighten jam-nut on adjuster bolt (C).
Minor belt tension adjustments may be
made without affecting chain tension.
For major
re-positioning 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.
154
C
B
NOTE
adjustments, like after
Revision D
D