SaMASZ UNO 410, Operator'S Manual

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OPERATOR’S MANUAL ROTARY RAKE UNO
8. DEFECTS AND THEIR REPAIRS
Tab. 6. Defects and their repairs
Defect Reason Repair
The rake does not lift/lower
hydraulically
Damaged or dirty components
of hydraulics
Replace or clean connecting
components of the hydraulics
Damaged hydraulic unit of the
tractor
Check condition of hydraulic
unit of the tractor
Closed valve on the machine
hydraulic power supply
Open the valve
Leaking cylinder
Dirty oil in hydraulic unit of the
tractor
Replace oil in hydraulic unit of
the tractor (recommended
class of cleanliness of oil
according to NAS 1638 is
minimum 9-10). Purchase
repair kit of the cylinder and
replace damaged sealings
The rake leaves most most part
of the swath
Bent tines of the rake or lack of
them
Exchange tines
Too low rotation speed Increase rpm
Wrong height of operation
Regulate operation height
according to point 5.6.
„Preparing the rake to
operation ”
Raking tines damaged Raking tines set too low
Set the correct raking height
with the adjusting crank or the
chassis
Excesive vibration during work
Damaged PTO shaft
Check the condition of PTO
shaft and if need be replace
Incomplete number of raking
arms
Replace missing raking arm
The carousel gearbox jams /
loud gearbox operation
Defective input shaft, damaged
disc wheel in the gearbox Replace damaged parts
Damaged bearings
Improper oil quantity Check the oil level
Oil leakage from the gearbox Gearbox unsealing
Check the sealing and the oil
level
9. REPAIR AND WITHDRAWAL FROM USE
9.1. Repair
NOTE:
Prior to commencing repair works the machine should be disconnected from
the tractor.