119
Fig. 9.20
Fig. 9.17
Fig. 9.18
1
1
Fig. 9.19
MAINTENANCE
Hydraulic fans
ALWAYS KEEP THE HYDRAULIC CONNECTIONS IN GOOD CONDITION. THE PRESSURE OF THE
HYDRAULIC CIRCUIT MAY CAUSE SERIOUS DAMAGE TO PERSONS. PRESSURE LOSSES IN THE HY-
DRAULIC CIRCUIT WILL RESULT IN A LACK OF SEEDS IN THE SEED DISC.
9.4 TRANSMISSION CHAIN
All chains in the chain transmissions need to be
properly lubricated to work optimally.
Most types of transmission chains have AUTOMA-
TIC TENSIONERS with spring. For this reason, it is
not necessary to manually adjust their tension (Fig.
9.17).
However, some chain transmission have FIXED TENSIONERS (Fig. 9.19) which need to be ma-
nually tensioned following these steps:
1- Remove the securing screws (1, Fig. 9.18) to remove
the lids.
2- Using two wrenches, loosen the tensioners (Fig.
9.20).
3- Push the tensioners towards the chain until it is
properly tensioned
CHECK THAT ALL THE TRANSMISSION CHAINS OF THE
PLANTER ARE TENSIONED. IN THE CASE THAT A CHAIN IS
NOT TENSIONED, CHECK THE CHAIN’S CONDITION AND RE-
PLACE IT IF NECESSARY.
PERIODICALLY LUBRI-
CATE THE TRANSMIS-
SION CHAINS(SEE SEC-
TION 9.2 GREASING
AND LUBRICATION).
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