JAC Trucks. Service manual — part 23
Starter rotates but engine does not start
Low torque
178
OWNER爷S MANUAL
JAC HEAVY DUTY TRUCK
poor exhaust emissions
Excessive fuel consumption
179
Excessive engine oil consumption
Engine oil pressure does not rise
180
OWNER爷S MANUAL
JAC HEAVY DUTY TRUCK
Steering wheel and vehicle make abnormal vibration
Hard steering
181
Run-down battery
Lamps do not light
182
OWNER爷S MANUAL
JAC HEAVY DUTY TRUCK
TRACTOR
183
Note院When charging air, with鄄
draw complete vehicle parking
firstly and then charge the air
into trailer through this connec鄄
tor.
Note院When connecting spring pipe to trailer, connect pipeline to trailer firstly, and
then put the switch valve handle to 野ON冶. When separating trailer from tractor, put
the switch valve handle to 野OFF冶 firstly, and then disconnect pipeline.
Charging seam for con鄄
necting traitor gas cylinder
Control seam
for connect鄄
ing traitor
service brake
Switch valve
handle
OFF
ON
184
OWNER爷S MANUAL
JAC HEAVY DUTY TRUCK
Control state渊seen picture below冤
Tractor adopts separate trailer brake hand brake valve, its function is: auxiliary
brake the trailer by controlling separately, especially for complete train running
on ramp to lighten impulsion from trailer and make train decelerate calmly as
well as increasing stabilization when braking.
Loosen trailer brake hand brake valve handle to make handle return automati鄄
cally.
Note院
Check clearance of friction plate on trailer brake periodically, alternate friction
plate on trailer brake when friction plate is abrased badly and influence corre鄄
sponding nature of complete vehicle brake.
185
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