MAIINTEINAINCE/SERVICE
ROLLS AND
ROLL
DRIVE (continued)
Roll Drive Chain Removal
, .
Raise
he
ader. Stop engine,
remove
I
",ey
and
engage
lift
cy
lind
er
stops.
2.
Remove
bolts securing upper
cove
r
(A)
to
chain case. Loosen clamp bolt (8) and slide
the cover down the drive shaft shield.
3.
Remove
bolts securing lower cover
(C)
and
remo
ve
cover.
4.
Loosen
two
bolts (0)
and
nut
(L)
at
chain
tensioner.
5.
Rotate
tensioner cam
cQunter-clc)ckwise
.
using a
15/16
wrench on welded nut
(E).
6.
Remove
the chain tension
er
sprocket
from
,
inside chain case.
NOTE:
Be
careful not to lose the three
washers between t
he
sp
rocket
and
inner
cam
disc.
7.
Rot
ale upper or lower
roll
universal
joi
nt
to
position chain connector link
(F)
as
shown.
8. Remove connector link (F).
9.
Turn lower roll u-joint to rotate lower sprocket
(G)
counter-clockwise until chain
is
frE
!e of the
lower sprocket.
,
O.
Uft
excess chain up and bring it out of the
chain case through the upper cover
~lole
.
, 1. Turn sickle drive pulley at
le
ft end of
he
ader
to rotate driver sprocket
(H)
clockwise until
chain
is
free of driver sprocket.
58
REMOVE
COVERS
RELEASE
CHAIN
TEN
SION
F
~
G
h
REMOVE
CHAIN
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