MacDon A40-D - Manual (Page 69)

SECTION 6 OPERATION
169000 / 169040
67
Revision E
i. Open RH endshield.
j. Loosen reel drive belts as follows:
1. Loosen jam nut on adjuster bolt (H) and nuts
(J).
2. Turn adjuster bolt (H) to loosen reel drive
belts (K).
k. Loosen three bolts (L).
l. Loosen jam nut on adjuster bolt (M), and turn
bolt (M) to adjust auger fore-aft position.
m. Tighten jam nut and bolts (L).
n. Tighten belts as follows:
1. Turn adjuster bolt (H) to move pulley so that
each belt (K) deflects 3/16 in. (4 mm) when
a load of 8–12 lbf (35–40 N) is applied to
each belt at mid-span.
2. Tighten jam nut on adjuster bolt (H) and nuts
(J).
o. Check reel drive chain tension. Total chain
slack at (N) should be 1/4 in. (6 mm).
If necessary, adjust as follows:
1. Loosen bolt (O) on sprocket, and jam nut on
adjuster bolt (P).
2. Turn adjuster bolt (P) to move idler sprocket
downward until chain slack is achieved as
above.
3. Rotate auger and check chain for slack at
tightest point. Re-adjust position of idler
sprocket to achieve required slack.
4. Tighten jam nut at (P) and nut (O) on
sprocket. Re-check tension.
p. Close shields before engaging header.
L
M
J
K
H
O
N
P