Great Wall GW491QE, Service Manual

Page: 10 / 222

GI-7
Engine฀service฀/maintenance฀data-tightening฀torque฀for฀fastening฀elements
4.Ignition system
Name Test items Standard value Use limit
Spark plug
Model
Clearance F6RT C
1.0~1.2 mm
High-tension
wiring
R esistance 16k /m
5.Starting system
Name Test items Standard value Use limit
Starter
R ated voltage
Output power
Zero-load characteristics
size of
current specified when it’s 11.5V
R ectifier E xterior diameter
Depth of T channel
Circumferential radial play
L ength of electric brush
Work load of spring
12V
1kw
90A
30mm
(0.50~0.80)mm
0.05mm
13mm
(17.5~23.7)N
>90A
<29mm
<0.20mm
>0.05mm
<8.5mm
<17.56N
6. Charge device
Name Test items Standard value Use limit
B attery
Density of electrolyte for battery
When full charge of battery at 20
1.25~1.27
A C generator
R esistance of rotor coils
Diameter of slip ring
E xposed length of electric brush 4.0
(32.3~32.5)mm
12.5mm
<32.1mm
5.5mm
R egulator A djustment voltage at20 (13.95~14.4)V
Driving belt
A 98N bending-deflection force is
applied to driving belt between AC
generator and water pump.
New belt
Used belt (5~7)mm
(7~8)mm
T ightening torque for fastening elements
1. Tightening torque for special components
Frequently tightened spare parts N m
Valve rocker arm shaft cylinder head M8
Cylinder head bolt
10-M12 1.25
3-M8
A ir intake/exhaust manifold pipe cylinder head
Spark plug cylinder head
Camshaft timing chain gear camshaft
Camshaft flange cylinder body
Water pump box of timing chain chamber
24
90
20
50
18
90
18
18
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