OPERATOR'S MANUAL
REAR DISC MOWERS
6.2. Controlling condition of knives and holder pins
WARNING!
Condition of knives and holders should be checked each time before
commencing any operation. Damaged or worn elements pose danger of
throwing and are as well health and life threatening.
WARNING!
When operating pay attention whether there are no excessive vibrations of the
mower which may indicate that the disc(s) operate with 1 cutting knife attached
only. Long-term cutting with insufficient amount of knives will cause permanent
damage to the cutterbar, not eligible for a repair under the warranty. When
operating check knives for completeness.
Always check mower before starting work for damaged, missing and/or worn knives. Replace
them (Fig. 18 and Fig. 21), and if necessary, only in sets.
If the knife mounting pin is worn too much and/or the knife mounting is worn or deformed, please
replace it immediately (Fig. 19).
a)
Fig. 19. Permissible wear of knife holder pin on disc a) knife base M12 b) knife base M12 with claw
6.3. Replacing knives and holder pins
Before mounting cutting knives, lift the mower's rear guard Fig. 20. Replace knives, if necessary,
only in set of 2. Make sure all knives in a set are of the same length and weight. The knife holders must
not be damaged or deformed. If the knife holder pin is worn too much, please replace it immediately
(Fig. 19), is worn, replace holder pins with new ones (tightening torque 130 Nm / 96 ft-lb (Fig. 22).
WARNING:
When replacing knives, the engine must be stopped and the cutter bar must lie
on the ground. PTO shaft must be disconnected. Discs should be perpendicular
to the cutter bar.
SAMBA
b)
31