MMD Equipment 185S-6C1 - Manual (Page 57)

6. Maintenance
6-4
Symptom Cause Countermeasures
Engine oil pressure lamp
goes on. and engine stops.
(1) Engine oil shortage.
(2) Engine oil filter clogging.
(3) Faulty oil pressure switch.
(4) Loosened or disconnected wir-
ing or connector.
Replenish oil
Change
Change
Check/Fasten
Water temperature lamp
goes on. and engine stops.
(1) Radiator clogging.
(2) Faulty thermostat.
(3) Faulty coolant temp. switch.
(4) Low coolant level.
(5) Fan belt slippage.
(6) Loose wiring, connectors and
desconnection
Clean
Change
Change
Replenish
Re-adjust tension
Check/retighten
Discharge air temperature
lamp goes on. and engine
stops.
(1) Oil cooler clogging.
(2) Oil filter clogging.
(3) Faulty discharged air temp.
switch.
(4) Loose wiring connectors and
disconnection.
(5) Slippage of fan belt.
(6) Shortage of compressor oil.
Clean
Change
Check/inspect
Check and retighten
Re-adjust tension
Replenish oil
Low fuel level lamp
goes on. and engine stops.
(1) Fuel runs short.
(2) Malfunction of sending unit for
fuel oil level drop.
(3) Loosened and disconnected wir-
ing connection and connectors.
Add fuel oil
Inspect/replace
Inspect/retighten
Contact your nearest dealer if you find it difficult to repair by yourselves.
Refer to the engine operation manual for trouble concerning the engine.