UN41 0598GN
I
II
A
A
B
D
D
C
E
L
H
G
F
M
English language
Use and maintenance
32
INFORMATION CONCERNING REPLACEMENTS
8
For this operation, proceed as outlined below.
1) Loosen the nuts (
A
) and remove the casing (
B
).
2) Turn the engagement device (
D
) to position (
II
) to
lock the chain tensioner (
C
).
3) Pull the chain downwards.
4) Remove the chain (
E
).
CAUTION
The tensioner could move unexpectedly, causing in-
jury to the hands.
Proceed with the utmost caution.
5) Unscrew the screw (
F
) and remove the pinion (
G
).
6) Unscrew the screw (H) and remove the pinion (
L
).
7) From the range of pinions (
M
), select the most sui-
table pinion to obtain the required plant spacing
(see page 20).
8) Fit the new pinions and tighten the screws (
F
-
H
)
respectively.
9) Fit the chain on the pinions and the tensioner.
NOTICE
Fit the chain with the joining link positioned as
shown in the figure.
10) Pull the chain downwards
11) Turn the engagement device (
D
) to position (I) to
release the chain tensioner (
C
).
12) Slowly release the chain to tension it.
13) Fit the casings (
B
) and tighten the nuts (
A
).
Replace the driving wheel pinions
