Auger Position; Auger Fore-Aft Adjustment - A30-S - MacDon A30-S Operator's Manual

6.17.4

Auger Position

CAUTION
To avoid personal injury, before servicing
windrower or opening drive covers, follow
procedures in Section 6.1, "Preparation for
Servicing".
The auger position has been factory set and
should not normally require adjustment. For
nearly all conditions, the auger performs best
when set as close as possible to the stripper
bars without rubbing. This is especially important
in grass and other crops which have a tendency
to wrap. Component
clearances to become excessive, resulting in
feeding problems and uneven windrows.
To make adjustments to auger position, refer to
the following paragraphs 6.17.4.1 to 6.17.4.6.
In heavier crops it may be necessary to
remove the front stripper bar for smoother
crop flow across the auger.
Section 7.11.7, Stripper Bars.
1 – 4 mm
(1/32 – 5/32")
CLEARANCE
1 – 4 mm
(1/32 – 5/32")
CLEARANCE
The auger should clear the stripper bars
on the auger pan by approximately 1/32 –
5/32 in. (1 - 4 mm). Shimming the stripper
bars may be required. Refer to Section
7.11.7, Stripper Bars.
Form # 169000
wear may cause
NOTE
Refer to
NOTE
1 – 4 mm
(1/32 – 5/32")
CLEARANCE
OPERATION
6.17.4.1 Auger Fore-Aft Adjustment – A30-S
a. Open LH end shield.
b. Loosen auger drive chain (A) as follows:
1. Loosen three bolts (B).
2. Loosen jam-nut on adjuster bolt (C).
3. Turn adjuster bolt (C) to loosen chain (A).
E
AUGER
c. Loosen the four nuts (D).
d. Loosen jam-nut on adjuster bolt (E) and turn bolt
(E) to adjust auger fore-aft position.
e. Tighten jam-nut on bolt (E) and tighten nuts (D).
f. Tighten auger drive chain as follows:
1. Turn adjuster bolt (C) to tighten chain (A).
Deflection at (A) should be ¼ inch (6 mm).
2. Tighten jam-nut on bolt (C).
g. Check auger drive V-belt (F) 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:
3. Loosen jam-nut on adjuster bolt (G).
4. Turn adjuster bolt (G) to achieve tension as
per above.
5. Tighten jam-nut at (G).
h. Tighten bolts (B).
i. Close shield.
54
G
A
B
D
AUGER DRIVE CHAIN
AND SPROCKET NOT
SHOWN FOR CLARITY
(continued next page)
C
F
Model Year - 2009