PRE-DELIVERY INSPECTION
169603
29
Revision
B
D. SICKLE DRIVE BELT TENSION
IMPORTANT
To prolong belt and drive life, do
not
over-tighten belt.
I. NON-TIMED DRIVE: SK and DK
a. Open
endshield.
b. A force of 20 lbf (80 N) should deflect belt (A)
3/4 in. (18 mm) at mid-span.
c. Only if necessary, adjust tension as follows:
1. Loosen two bolts (B) on sickle drive mounting
bracket, and jam-nut (C).
2. Turn adjuster bolt (D) to move drive motor
until tension is achieved.
3. Tighten jam nut (C), and bolts (B) on drive
mounting bracket.
d. Close
endshield.
II. TIMED
DRIVE:
DK
a. Open
endshield.
Timing Belts
a. A force of 6 lbf (27 N) should deflect timing belt
(E) 1/2 in. (13 mm) at mid-span.
b. Only if necessary, adjust tension as follows:
1. Loosen two nuts (F) on sickle drive belt idler
bracket.
2. Insert a long punch (or equivalent) into hole
(G) in idler bracket, and pry downward until a
force of 6 lbf (27 N) deflects timing belt 1/2 in.
(13 mm) at mid-span (E).
3. Tighten nuts (F) on idler mounting bracket.
(continued next page)
G
LH SHOWN - RH OPPOSITE
E
LH SHOWN - RH OPPOSITE
F
E
LH SHOWN - RH OPPOSITE
C
B
D
A