![background image](http://html1.mh-extra.com/html/yuchai/yc4d60-d21/yc4d60-d21_maintenance-manual_3664228003.webp)
3
3
.
Each time you start the vehicle,first start the engine on idle running for 5 to 10
minutes till the engine warms up and all gauges working in normal function,then start to
move.Never put the vehicle to sudden acceleration from cold-start.For any dramatic
speed-up on cold status will damage the instruments and their corresponding parts and
components and accelerate the wear and tear of engine’s kinetic parts,consequently it
will shorten the engine’s life cycle.
4
.
Start the engine on first gear,no chuggle idling.
5
.
Avoid any sudden stall and quenching the engine at high speed,high load
status,the appropriate way is to gear down the engine gradually and stop the vehicle
after 5-10 minutes of engine idle running.
6
.
Strictly adjust the injection advance angle of the turbocharger engine according to
the requirements specified in the Operation Mannual.When the engine power is
decreasing,first check the intake pipe to find if there is any leakage and check the air
cleaner for the clog of stuff.
7
.
Anytime you find the vehicle and/or engine is not working normally,stop it
immediately to correct the malfunction ,never allow the vehicle running under an
abnormal state.
8
.
Don’t directly touch the high temperature parts (such as exhaust pipe) of the
engine when you check it,don’t open the radiator cover immediately just after stop,for
this may cause physical burn.
9
.
Send the engine to a consignment technical service station of Yuchai for a run-in
serviced when it reaches its first 1500-2500 km of mileage,or you will the warrantyfor
this engine.
10
.
Anti-freeze coolant shall be used in the cooling system; otherwise no quality
guarantee will be born by the Manufacturer.
11
.
The engine’s normal working condition is -15
℃
~
40
℃
in temperature and below
2000m in altitude,any operation under water or in fire are prohibited. Clean the air filter
gauze during dusty and windy condition, replace the filter gauze immediately once it is
found to be damaged. Please consult Yuchai’s technical or service departments for
working below -15
℃
or above 40
℃
or over 2500m in altitude, so that effective measures
can be taken to ensure normal function.