SaMASZ KDT 220, Operator'S Manual

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OPERATOR’S MANUAL REAR DISC MOWER KDT
8. MALFUNCTION AND THEIR REPAIRS
Tab. 9. Defects and their repair
Defect Reason Repair
Mower stops working
(partly) – leaves stripes of
uncut grass between the
discs
Lack of knives Put on knives
Worn knives Replace knives
Improperly mounted knives
(left – right)
Put on knives strictly acc. to
instructions
Improper front inclination
Adjust inclination strictly acc. to
instructions
Too high PTO rpm
(The most frequent mistake)
Reduce PTO rpm
Too low work speed Speed up to V≥10 km/h
Slidind V-belts
Too low spring tension – regulate
spring tension acc. to instructions
Worn V-belts – Replace V-belts
Damaged tractor’s PTO Repair
Check tractor’s PTO if it has 540 E. E
stands for economical rpm – around
380 rpm
In that case operate with 1000
PTO rpm but low tractor’s rpm –
around 1200 rpm
Mower with either tine or roller conditioner may mow improperly in case of
very small grass or after the rain
The grass is wound on the
forming drums
Mowing lying grass without inclination
towards the front
Always mow low and fast –
inclination towards the front –
4 cm
Grass blocks the mower –
lack of grass flow or the
flow is uneven
Too low work speed Speed up to 10 km/h or more
Swath guides are set too narrow
Widen swath guides to the
maximum
Safety device is working
often incorectlly without
clear reason
Insufficient spring tension
Adjust spring tension acc. to
instructions
Worn elements of safety device Replace the safety device
Mower does not work, even
though the drive is
transmitted from the tractor
Torn off shaft of intersecting axis gear
Replace intersecting axis gear
023.01.COER
Mower is blocked
Damaged gears in the cutterbar.
Damaged bearings in the disc hub
This repair must be done by
SaMASZ service
Mower’s hydraulics does not
work
Damaged or dirty hydraulic cylinder
and check valve
Replace or clean hydraulic
connector and check valve
Tractor’s hydraulic system is
damaged
Check tractor’s hydraulic system
Leaking cylinder Dirty oil in hydraulic unit of the tractor
Replace oil in hydraulic unit of the
tractor. Purchase repair kit of the
cylinder and replace damaged
sealings
Excesive vibration during
work
Damaged PTO shaft
Check the condition of PTO shaft
and if need be replace
Oil leak in gear Not tight assembly
Examine tightness and check oil
level.