3
CF65/75/85 series Pneumatic section of gearbox
DIAGNOSTICS
3-3
SYMPTOM: GATE 1/2 NOT SAFEGUARDED
Possible cause Remedy
No power supply to the gate protection valve Check the wiring
Defective gate protection valve (B293) Replace the gate protection valve
VIC does not receive a speed signal or receives
an incorrect signal
Check speed signal from CTE
Leaking or blocked air pipes Replace the air pipes
No air from neutral position valve in neutral
position
Check neutral position valve and replace if
necessary
Defective low-range switch (E561) Replace low-range switch
Faulty VIC electronic unit Replace electronic unit
SYMPTOM: GATES 1/2 AND 5/6 PERMANENTLY BLOCKED
Possible cause Remedy
Defective gearbox gate protection valve (B293) Replace the gearbox gate protection valve
Gate protection active in high and low range Check low-range switch
1
ᓻ 200337
https://www.truck-manuals.net/
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