Malfunctions And Their Correction - SaMASZ KT 261 Operation Manual

8. MALFUNCTIONS AND THEIR CORRECTION

Malfunction
The mower mows
partially – leaves furrows
between discs
Grass winds on drums
The mower jams up with
grass - windfall is blocked
or uneven
Hydraulic safety activates
too often with no apparent
cause
The mower does not cut
even though tractor power
is transferred to the
mower
The mower siezes up
The mower will not
fold up
Operating manual
Cause
1 Some missing blades
2 Worn blades
Improperly installed blades
3
(left – right)
4 Improper forward tilt
Excessive engine rpm's
5
(most common error)
6 Too slow driving speed
Damaged tractor PTO, does not
7
power the mower
A mower with roller or scarifier may not mow properly with very low grass or
Mowing lying grasses without tilting the
mower forward.
Mowing speed too low
Improperly adjusted or damaged
hydraulic valve
Broken shaft in the gearbox
Relay shafts - incorrect rotation direction
of the unidirectional clutch
Damaged gear in the cutterbar or
gearbox
Damaged or dirty hydraulic connections
Damaged tractor hydraulic system
Rear disc mowers with central suspension
- with hydro-pneumatic or spring suspension
Install or replace blades
Replace worn blades
Install blades according to
Set tilt according to operating manual
Reduce rpm's (recommended rpm's
Increase driving speed above
during rain.
Always mow low and fast – tilt forward
Increase mowing speed to 10 km/hr or
Adjust or have the valve repaired by an
authorized service provider
Check rotation direction
Repair through an authorized service
Replace or clean hydraulic connections
Check the functioning of the tractor
- 4 7 -
Recomendation
the instructions
(See 5.7.1)
1600 - 1800)
V≥10 km/hr
Repair PTO
to 4 cm
more
Replace gear shaft
provider
hydraulic system