Kubota GR1600EC2, Workshop Manual, Page: 131 / 241

2-S2
GR1600EC2, WSM TRANSAXLE
(Continued)
W1026435
Symptom Probable Cause Solution
Reference
Page
Loss of Power Oil level is low Fill oil to proper level G-8, 2-S11
Control linkage defective (Speed change pedal
to speed control arm) Repair control
linkage 2-S6, S15
Charge pressure is too
low Oil filter cartridge
clogged Replace oil filter
cartridge G-30
Charge pump
defective Replace charge
pump 2-S18
Charge relief valve
defective Repair or replace
charge relief valve 2-S18
Check valve defective Replace check valve 2-S19
By-pass valve defective Replace by-pass
valve 2-S19
HST component parts defective Replace HST
assembly 2-S17, 20
Oil Heat Over Oil level is low Fill oil to proper level G-8, 2-S11
Excessive machine load Reduce machine
load –
Charge pressure is too
low Oil filter cartridge
clogged Replace oil filter
cartridge G-30
Charge pump
defective Replace charge
pump 2-S18
Charge relief valve
defective Repair or replace
charge relief valve 2-S18
Machine Will Not
Stop in Neutral
Position Control linkage defective (Speed change pedal
to speed control arm) Repair control
linkage 2-S6, S15
Improper adjustment of neutral arm holder shaft Adjust 2-S6
System Operates in
One Direction Only Control linkage defective (Speed change pedal
to speed control arm) Repair control
linkage 2-S6, S15
Check valve defective Replace check valve 2-S19
KiSC issued 07, 2006 A