218
FAULTS AND REMEDIAL ACTIONS
Fault-module
Fault-module
Fault-module
Fault-module
Valve for mechanical speed limitation either
faulty or incorrectly set.
Replace valve.
Fuel filter soiled.
Replace filter box. Bleed air from the fuel system.
Intercooler pressure too low.
Check the charge air pressure.
10.
Tractor does not pull
Cause
Remedial Action
Feed quantity too flow.
Measure feed and outlet pressure.
Leak in the main circuit.
Measure feed and outlet pressure.
High-pressure limiting valve does not shut.
Measure control pressure.
Flush valve stuck open.
Drive in opposite direction of travel.
11.
System pressure too low
Cause
Remedial Action
No feed for servo pump.
Check lubricating pressure.
Servo pump does not deliver.
Check servo pump pressure.
Leakage in pressure or suction line.
Check oil level in clutch housing (too high).
40 bar pressure limiting valve does not close.
Measure servo pump pressure (= lubrication
pressure).
18 bar pressure control valve does not close.
Measure feed pressure (= system pressure).
Leak in comfort circuit.
Measure feed pressure, visual check.
12.
Inlet pressure too low
Cause
Remedial Action
No feed for servo pump.
Check lubricating pressure (= 0)
Servo pressure less than 18 bar.
Measure servo pressure.
Leak in comfort circuit.
Measure servo pressure, visual check.
Leak in feed line.
Measure output pressure (too low).
Leak in outlet line.
Measure output pressure (too low).
Hydrostatic drive leaks or lifts off.
Measure output pressure (too low).
High-pressure valve is loose.
Measure output pressure (too low).
Output pressure control valve does not shut.
Measure output pressure (too low).
Input pressure control valve does not shut.
Measure output pressure (= input pressure).
13.
Output pressure too low
Cause
Remedial Action
Input pressure too low.
Measure input pressure (too low).
Leak in outlet line.
Measure input pressure (under load too low,
without load OK).
9.
Tractor no longer reaches maximum speed
Summary of Contents for 916 Vario
Page 8: ...8 NUMERICAL INDEX ...
Page 172: ...172 CARE AND MAINTENANCE ETWiring diagram 22 3 Power supply UB 930 900 000 004 Sheet 2 ...
Page 173: ...173 CARE AND MAINTENANCE ETWiring diagram 22 4 Grounding layout 930 900 000 004 Sheet 3 ...
Page 174: ...174 CARE AND MAINTENANCE ETWiring diagram 22 5 Starter control 930 900 000 004 Sheet 4 ...
Page 175: ...175 CARE AND MAINTENANCE ETWiring diagram 22 6 Cold start system 930 900 000 004 Sheet 5 ...
Page 177: ...177 CARE AND MAINTENANCE ETWiring diagram 22 8 STVZO lighting Sheet 1 930 900 000 004 Sheet 7 ...
Page 179: ...179 CARE AND MAINTENANCE ETWiring diagram 22 10 Turn signal system 930 900 000 004 Sheet 9 ...
Page 183: ...183 CARE AND MAINTENANCE ETWiring diagram 22 14 Rear work lamps 930 900 000 004 Sheet 13 ...
Page 186: ...186 CARE AND MAINTENANCE ETWiring diagram 22 17 Heater 930 900 000 004 Sheet 16 ...
Page 191: ...191 CARE AND MAINTENANCE ETWiring diagram 22 22 Comfort bus K bus 930 900 000 004 Sheet 21 ...
Page 192: ...192 CARE AND MAINTENANCE ETWiring diagram 22 23 Instrument panel 930 900 000 004 Sheet 22 ...
Page 197: ...197 CARE AND MAINTENANCE ETWiring diagram 22 28 Transmission control 930 900 000 004 Sheet 27 ...
Page 199: ...199 CARE AND MAINTENANCE ETWiring diagram 22 30 Suspension 930 900 000 004 Sheet 29 ...
Page 200: ...200 CARE AND MAINTENANCE ETWiring diagram 22 31 PTO 930 900 000 004 Sheet 30 ...
Page 202: ...202 CARE AND MAINTENANCE ETWiring diagram 22 33 LBS 930 900 000 004 Sheet 32 ...
Page 203: ...203 CARE AND MAINTENANCE ETWiring diagram 22 34 Engine control 930 900 000 004 Sheet 33 ...
Page 262: ...262 TECHNICAL DATA ...
Page 266: ...266 ALPHABETICAL INDEX ...