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5 - 3
Section F
Transmission
9803/6020
Section F
5 - 3
Issue 1
Traction Motor/Reduction Gear
Fault finding (cont’d)
Symptom
15
Does not change from high
speed to low speed.
Possible cause
a
Faulty operation of switching
valve.
b
Faulty operation of 2-speed
switching piston.
Remedy
Check for spool damage. Repair or
renew if necessary.
Inspect and repair or renew if
necessary.
Summary of Contents for JS70
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Page 189: ...Section E Section E Hydraulics 9803 6020 Issue 1 33 4 33 4 Control Valves Control Valve 291360...