Defects And Their Repairs; Disassembly And Withdrawal From Use; Repair - SaMASZ UNO 410 Operator's Manual

8. DEFECTS AND THEIR REPAIRS

Tab. 6. Defects and their repairs
Defect
The rake does not lift/lower
hydraulically
Leaking cylinder
The rake leaves most most part
of the swath
Raking tines damaged
Excesive vibration during work
The carousel gearbox jams /
loud gearbox operation
Oil leakage from the gearbox

9. DISASSEMBLY AND WITHDRAWAL FROM USE

9.1. Repair

NOTE:
Prior to commencing repair works the machine should be disconnected from
the tractor.
32
UNO
Reason
Damaged or dirty components
of hydraulics
Damaged hydraulic unit of the
tractor
Closed valve on the machine
hydraulic power supply
Dirty oil in hydraulic unit of the
tractor
Bent tines of the rake or lack of
them
Too low rotation speed
Wrong height of operation
Raking tines set too low
Damaged PTO shaft
Incomplete number of raking
arms
Defective input shaft, damaged
disc wheel in the gearbox
Damaged bearings
Improper oil quantity
Gearbox unsealing
ROTARY RAKE OPERATOR'S MANUAL
Repair
Replace or clean connecting
components of the hydraulics
Check condition of hydraulic
unit of the tractor
Open the valve
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
Exchange tines
Increase rpm
Regulate operation height
according to point 5.6.
„Preparing the rake to
operation"
Set the correct raking height
with the adjusting crank or the
chassis
Check the condition of PTO
shaft and if need be replace
Replace missing raking arm
Replace damaged parts
Check the oil level
Check the sealing and the oil
level