USE AND MAINTENANCE
ENGLISH
42
cod. G19503010
4.2.2 REPLACEMENT OF BELTS
- Unscrew the screws (M, Fig. 47) and remove the protective
casing.
- Loosen the belt tensioner completely (N, Fig. 47).
- Replace the worn belts with new ones.
- Put these at the optimum tension using the belt tensioner. Belt
play should not exceed 2 centimetres.
- Put the protective casing back in position and fi x it in place with
the screws (M, Fig. 47).
4.2.3 REPLACEMENT OF PULLEYS
Notes for replacement of pulleys, if necessary.
- Unscrew the screws (M, Fig. 47) and remove the protective
casing.
- Loosen the belt tensioner completely (N, Fig. 47).
- Remove the belts.
To replace the driving pulley (O, Fig. 48), turn it clockwise; vice
versa, turn the driven pulley (P, Fig. 48) counterclockwise.
Fig. 48
Fig. 47
N
O
P
M
Normal Section
(SN)
Self sharping double section
(SD)
Replaceable tooth
(DSE)
Tooth normal
(DNE)
TABLE APPROXIMATE FOR CHOICE OF THE CUTTING BAR
TYPE OF THE GROUND
TYPE OF THE FORAGE
Dry and lignifi cated
(gramineae)
Humid, packed and
low (cat coat)
Humid and packed
(Lucerne-Clover)
Big and high
(forage
of the sorghum, corn)
Level
Normal
DNE - SD/SN DNE - SD DNE - SN DNE - SN
Stny fi eld
DSE - SD/SN DSE - SD DSE - SN DSE - SN
Hill
Normal
DNE - SD/SN DNE - SD DNE - SN DNE - SN
Stny fi eld
DSE - SD/SN DSE - SD DSE - SN DSE - SN
Mountain
Normal
DNE - SD/SN DNE - SD DNE - SN DNE - SN
Stny fi eld
DSE - SD/SN DSE - SD DSE - SN DSE - SN