Kubota ZD28-EC User Manual

2-S1
ZD21N-EC, ZD21-EC, ZD28-EC, WSM
TRANSAXLE
1. TROUBLESHOOTING
W1014322
Symptom Probable Cause Solution
Reference
Page
Vehicle Will Not Stop
in Neutral Position
• Improper neutral adjustment
• Improper speed change rod adjustment
Adjust neutral
Adjust
2-S5
2-S5
Vehicle Jerky and
Noisy When Starting
• Transmission oil insufficient
• Air entering from suction pipe
• Oil strainer clogged
• Transmission oil filter cartridge clogged
• Hydrostatic transmission defective
Replenish
Retighten
Clean
Replace
Replace
2-S11
–
G-20
G-18
2-S15
Loss of Power • Control linkage defective
• Transmission oil insufficient
• Oil strainer clogged
• Transmission oil filter cartridge clogged
• Hydraulic pump defective
• Hydrostatic transmission defective
Repair or replace
Replenish
Clean
Replace
Replace
Replace
–
2-S11
G-20
G-18
2-S18
2-S15
System Operates in
One Direction Only
• Check valve defective
• Control linkage defective
Replace
–
2-S16
–
System Operating
Hot
• Transmission oil insufficient
• Oil strainer clogged
• Transmission oil filter cartridge clogged
• HST fan defective
• Overload working
Replenish
Clean
Replace
Replace
–
2-S11
G-20
G-18
2-S14
–
Noise from
Transmission
• Transmission oil insufficient
• Gear worn
• Improper backlash between 16T bevel gear
and 19T bevel gear
• Bearing worn
Replenish
Replace
Adjust
Replace
2-S11
–
2-S24
–
KiSC issued 09, 2006 A

Kubota ZD28-EC Specifications

General

Brand	Kubota
Model	ZD28-EC
Category	Lawn Mower
Language	English