Drive Belts And Drive Chains - MacDon A30-S Unloading And Assembly Instructions

A. DRIVE BELTS AND DRIVE
CHAINS
The drive systems for each of the three models
of auger headers differ slightly, and therefore
require different procedures for checking and
making any necessary adjustments.
the appropriate section for your particular
header.
I. A30-S SINGLE KNIFE
a. Open shield on header RH side.
A
b. Reel drive belts (A) should deflect 3/16 in.
(4 mm) when a load of 8–12 lbf (35–40 N) is
applied to each belt at mid-span.
c. Reel drive chain (B) slack should be 1/4 in.
(6 mm).
d. Close shield.
e. Open shield on header LH side.
D
A30-S
f. Sickle drive belt (C) should deflect 1/4 inch
(6 mm) when a load of 20 lbf (80 N) is applied at
mid-span).
g. Auger drive chain (D) deflection at mid-span
should be 1/4 inch (6 mm).
h. Auger drive belts (E) belt should deflect 3/16 in.
(4 mm) when a load of 8–12 lbf (35–40 N) is
applied to each belt at mid-span.
169078
PRE-DELIVERY CHECKS
Refer to
B
A30-S
E
C
i. Close shield.
j. Proceed to STEP 20B. AUGER STRIPPER
BAR CLEARANCE.
II. A40-D DOUBLE KNIFE
a. Open shield on header RH side.
b. Sickle drive timing belt (M) should deflect
0.55 inch (14 mm) when a load of 5–6.5 lbf
(22–30 N) is applied at mid-span).
c. Open shield on header LH side.
d. Sickle drive timing belt (N) should deflect
0.55 inch (14 mm) when a load of 5–6.5 lbf
(22–30 N) is applied at mid-span).
e. Sickle drive V-belts (O) should deflect 3/16 in.
(4 mm) when a load of 8–12 lbf (35–40 N) is
applied to each belt at mid-span.
f. Close shields.
45
M
A40-D
N
A40-D
Revision E
O