Daedong CK22 - Troubleshooting; Hydrostatic Transmission

5-13
DS35-W00 May. 2007
CLUTCHCLUTCH CLUTCHCLUTCH
CLUTCH
TRANSMISSIONTRANSMISSION TRANSMISSIONTRANSMISSION
TRANSMISSION
ENGINEENGINE ENGINEENGINE
ENGINE
HSTHST HSTHST
HST
FRONT AXLEFRONT AXLE FRONT AXLEFRONT AXLE
FRONT AXLE
STEERINGSTEERING STEERINGSTEERING
STEERING
BARKEBARKE BARKEBARKE
BARKE
ELECTRICELECTRIC ELECTRICELECTRIC
ELECTRIC
INDEXINDEX INDEXINDEX
INDEX
HYDRAULICHYDRAULIC HYDRAULICHYDRAULIC
HYDRAULIC
GENERALGENERAL GENERALGENERAL
GENERAL
REAR AXLEREAR AXLE REAR AXLEREAR AXLE
REAR AXLE
CK22/CK22H
3.1 HYDROSTATIC TRANSMISSION
3. TROUBLESHOOTING
Vibration
and noise
System will not operate
in either direction
Loss of power
Check linkage
(speed control pedal
to neutral holder)
Check input shaft
Check
(charge pressure)
-(case pressure)
Check oil
lever
turn good good good
Repair or
replace
Fill to proper
level
Repair or
replace
Change oil to
specified oil
not turn
low
defective
Inspect
strainer
Check
vacuum
Low below
minimum
allowable
limit
(5 kg/cm
2
,
71.1 PSI)
High above
maximum
allowable
limit
(7 kg/cm
2
,
99.6 PSI)
good
High above maximum
allowable limit
Clogged
Clean up
Repair or replace
tube connection
Replace oil filter
cartridge
Inspect charge
relief valve
Vibrating pressure
good
Can’t
repair
Repair
(flush)
Replace hydrostatic
transmission assembly
Inspect neutral
and check valve
Inspect high pressure
relief valve
Reset
correctly
Repair
(flush)
Repair (flush)
or replace
defective
good
Can’t
repair
good
goodgood
Can’t
repair
defective
Low below
minimum
allowable limit
Check
high relief
pressure
Can’t repair
(280 kg/cm
2
,
3982.5 PSI)
HST - TROUBLESHOOTING