MMD Equipment 185S-5C2 part 2 - Manual (Page 20)

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
wiring 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) Belt slippage.
(6) Loose wiring, connectors and
desconnection
Clean
Change
Change
Replenish
Re-adjust tension/change
Check/retighten
Discharge air temperature
lamp goes on. and engine
stops.
(1) Oil cooler clogging.
(2) Compressure oil filter clogging.
(3) Faulty discharged air temp.
switch.
(4) Loose wiring connectors and
disconnection.
(5) Slippage of belt.
(6) Shortage of compressor oil.
(7) Malfunction of by-pass valve
Clean
Change
Check/inspect
Check and retighten
Re-adjust tension/change
Replenish oil
Check/change
 Contact your nearest dealer if you find it difficult to repair by yourselves.
 Refer to the engine operation manual for trouble concerning the engine.