SaMASZ SAMBA 160 Operator's Manual page 39

OPERATOR'S MANUAL REAR DISC MOWERS
Defect type
Belt's slipping
Lack of wheels axial
symmetry
V-belt are on fire
Winding the grass onto
drums
Mower is not mowing even
though drive is transmitted
from tractor
The mower slows down
despite constant rpm
Mower is not hydraulically
compacted
Mower is blocked
Excess vibrations when
operating
Oil leak from gearbox or
gear heating
Oil leak from cutterbar
Leaking cylinder
SAMBA
Cause
Mower is clogged with grass or foreign body
Damaged bearings on PTO shaft
Mower is clogged with grass or foreign body
Too low tractor's engine rpm
Mowing lodged grass without inclining
cutterbar
Damaged part of power transmission unit
Burned v-belts
Improper belt tension
Very hard working conditions and a lot of
cut material cause slipping on the PTO
shaft's cluch
Burned v-belts
Improper belt tension
Damaged or dirty fastening elements of
hydraulic assembly
Damaged hydraulic unit of tractor
Wrong position of locking pin
Non-greased sliding sleeves in gearbox
Too low mowing speed
Swath guides are spaced to tight
Improper rpm of tractor engine
Strings or wires wound under discs on
modules
Damaged cogwheel in cutterbar or in gearbox
Deflected PTO shaft
Some of knives are missing
Damaged disc or drum
Leakage from unit
Too much oil in gearbox
Too much oil in cutterbar
Leakage from cutterbox
Contaminated oil in tractor's hydraulic
assembly
Damaged cylinder sealing
Mechanical damaged piston rod surface
Recommendations
Wash mower thoroughly. Check that nothing
is wound on the disc modules (e.g. strings)
Replace bearings with new ones
Wash cutterbar thoroughly. Check that
nothing is wound on the disc modules (e.g.
strings)
Mow at recommended rpm
Mow on the low level and the speed must be
adjust to field conditions (V > 8km/h)
Check drive transmission systems one after
another and replace damaged parts if
necessary
Replace set of V-belts
Adjust the v-belt tension with instruction
manual
Reduce tractor speed
Replace set of V-belts
Adjust the v-belt tension with instruction
manual
Replace or clean fasteners in hydraulic
assembly
Check hydraulic unit of tractor condition and
fix it if necessary
Move locking pin in the right position
Grease sliding sleeves. Check permeability
of grease nipples.
Suggested mowing speed > 8 km/h
Space between swath guides to their
maximum
Check that the tractor is not operating at
"economy" speed. Set the speed to nominal
depending on the type of machine (540 or
1000 rpm)
Dismount disc and remove undesirable
objects
Replace damaged parts
Examine condition of PTO shaft and if need
be, replace with new one
Replenish knives
Replace damaged parts
Examine tightness and check oil level
Check oil level, excess oil should removed
Check oil level, excess oil should removed
Check sealing of stoppers and tighten it if
necessary
Replace oil in tractor's hydraulic assembly
(recommended oil purity class acc. to NAS
1638 is 9-10). Order brand new cylinder
repair kit and replace worn gaskets
Replace sealing
Replace cylinder
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