Iveco EuroCargo (12 to 26 t). Manual — part 81
Adjust fluid level.
YES
Incorrect fluid level.
NO
Overhaul valve block. Replace defective valves.
YES
Solenoid valves stuck or blocked.
YES
NO RESPONSE FROM
GEAR SELECTOR
6
Incorrect fluid level.
Adjust fluid level.
NO
See point 8.
YES
Line pressure low.
NO
Overhaul valve block. Replace defective valves.
YES
Solenoid valves stuck or blocked.
172
ALLISON GEARBOX MD 3060P
E
URO
C
ARGO
T
ECTOR
12-26 t
Base - February 2003
YES
7
CLUTCH SLIP AND VIBRATION
IN ALL RANGES
Replace the speed sensors.
YES
Incorrect signals from speed sensors.
NO
Adjust fluid level.
YES
Incorrect fluid level.
NO
Line pressure low.
See point 8.
Incorrect fluid level.
Adjust fluid level.
NO
Replace filter.
YES
Line filter clogged.
NO
Clean or replace intake filter.
YES
Intake filter blocked or faulty.
LOW LINE PRESSURE IN ALL
RANGES
8
NO
Replace seals. Tighten any loose screws.
YES
Leaks from control module.
YES
ALLISON GEARBOX MD 3060P
173
E
URO
C
ARGO
T
ECTOR
12-26 t
Incorrect fluid level.
Adjust fluid level.
YES
NO
Replace filter.
YES
Lubrication filter clogged.
LOW LUBRICATION PRESSURE
9
Air in fluid. Incorrect fluid level.
Adjust fluid level.
YES
NO
Replace temperature sensor.
YES
Temperature sensor inaccurate.
OVERHEATING IN ALL RANGES
10
Dipstick cap loose or worn.
Tighten dipstick cap.
Replace dipstick if necessary.
YES
NO
Drain off fluid to obtain correct level.
YES
Fluid level too high.
SOME OIL EMERGES FROM FILLING
PIPE AND/OR EXHAUST
11
(To be continued)
174
ALLISON GEARBOX MD 3060P
E
URO
C
ARGO
T
ECTOR
12-26 t
Base - February 2003
Clean or replace breather.
YES
Breather clogged.
Fluid level low.
Top up to correct level.
NO
Replace filter cartridge.
Air entering system through fluid intake filter cartridge.
INTERMITTENT NOISE (BUZZING)
NO
Replace fluid filters.
Fluid filters clogged.
NO
Adjust fluid level.
YES
Air in fluid causes noisy operation of pump.
NO
See point 8.
YES
Line pressure low.
12
YES
YES
YES
ALLISON GEARBOX MD 3060P
175
E
URO
C
ARGO
T
ECTOR
12-26 t
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