MI~INTENANCE/SERVICE
ROLLS AND
ROLL
DRIVE (continued)
Roll Drive
Chain
Installation
1. Feed the chain into chain
case,
2.
Uft
chain up to driver sprocket (H) and
engage on first few teeth,
3, Turn sickle drive pulley
at
left end of header
to rotate driver sprocket counteH:lockwise
until chain engages upper
roll
sprocket
(J)
as
sholM'l.
4. Turn upper roll u-
pi"t
to
rO~lte
upper
sprocket
(
J)
clockwise until
chail1l
engages
lower roll sprocket
(G)
as
shown.
5. Turn the
low
er roll u-pint to rotate lower
sprocket
(G)
counter-clockwise while holding
the first link
of
the chain against sprocket
(G)
.
Continue turning until
chain
is engaged
sufficiently
to
install connector link.
6. Install connector link
(F)
and
install the chain
tensioner sprocket
(K)
.
7 , Tension chain as described
on
pa~le
56
,
"Roll
Drive Chain Tension".
8.
Scrape old silicone off of chain case and
covers, and clean these surfaces
with solvent.
9. Apply new
silicone to
mat
ing surfaces of
chain case, upper and lower covers, and
drive shaft shield.
10. Bolt covers to chain case and tighten boll
which clamps upper cover to drive
shaM
shield.
, 1. Replace chain case grease to capa.city shown
on page 56,
"
Roll
Drive
Cbain
Ca
se
Lubricant".
59
o
ENGAGE
DRIVER
AND
UPPER
SPROCKETS
o
G
ENGAGE
LOWER
SPROCKET
)
C?
~
,(
)
L
F_
If
'\
-
CONNECT
CHAIN
AND
INSTALL
TENS
l
ONER
SPROCKET
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