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. Main Troubles of Tractors and Trouble Shooting
1. Engine
1) Adjustment of dual stage clutch
2) Engine does not develop full power
Cause Remedies
1.Weather cold
Pour hot water into the radiator or preheat the oil
before pouring it into crankcase
2.Fuel flow unsteady
Check and clean the fuel pipe line and filter
element
3.Air leaking into the fuel pipe line
Remove the air and tighten all fuel pipe
connections
4.Pump plunger and barrel ,
delivery valve and its seat ,nozzle
and its body sticking or damaged
Repair or replace them
5.Loss of compression pressure,
because of the inlet or exhaust
valve leaky ,no valve clearance ,
cylinder head gasket damaged ,
piston rings gummed up or worn
nut
Lap inlet or exhaust valve . Adjust the valve
clearance .Renew cyliner head gasket or piston
rings, if necessary.
6.Shortage of the battery electricity Recharge or replace the battery
Cause Remedies
1.Air filter or fuel filter choked Clean it in light fuel or kerosene
2.Beginning of fuel delivery incorrect Adjust according to the recommended procedure
3.The fuel containing water Drain out the water deposit and change fuel
4.Nozzle needle sticking or holes
chocked
Repair or replace the nozzle unit
5.Inlet or exhaust valve leaking , or
valve clearance incorrect
Lap valve or adjust valve clearance
6.Main bearing or con-rod bearing
worn badly or seized up
Repair or replace them
7.Poor uniformity of single cylinder
output
Calibrate the fuel delivery of injection pump and
the injection pressure of injector
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