Great Wall GW491QE, Service Manual

Page: 7 / 222

GI-4
Engine฀service฀/maintenance฀data-฀specification฀/adjustment฀parameters฀/฀maintenance฀technical฀data
data฀for฀key฀componeats
Specification /adj ustment par ameter s
for key components
S .N . Item Specification and parameters
1 S park plug F6R T C
2 Starter motor
Decelerating type when under an electromagnetic
control
U =12V P=1K W
3 G enerator and voltage regulator U =14V I=65A /90A
4 Petrol pump B lade-type electrical pump
5 Oil pump R otor typed
6 C ooling water pump C entrifugal type
7 T hermostat Wax type
8 Petrol filter
Steel cover, with super high molecular weight, and
filtration core
9 Oil filter
Full-flow & integral type, screw installed filtration
paper cores
10 Ignition coil U =12V
11 C lutch Diaphragm spring type
M aintenance technical data
1. E ngine mechanism
U nit mm
N ame Test items Standard value U se limit
C ylinder head
Planeness on the contact surface of
body;
Planeness on the contact surface of
manifold pipe;
Slope angle of valve seat
A ir intake
A ir exhaust
C ontact angle
C ontact width
0.05
0.05
30 ,45 ,60
30 ,45 ,60
45
1.2~1.6
0.15
0.10
Valve guide
Inner diameter
E xterior diameter
Increased size 0.05
Temperature when changing on the
side of cylinder head
8
13
13.088~13.100
H eat to 80~100
Valve
W hole length of valve
A ir intake
A ir exhaust
A ngle of valve working surface
A ir intake and exhaust
Diameter of valve rod
A ir intake
108.2 0.10
108.5 0.10
44.5
8
107.7
108.0
Valve
A ir exhaust
G ap of valve rod A ir intake
A ir exhaust
E dge thickness of valve plate
A ir intake
A ir exhaust
8
0.025~0.060
0.030~0.065 0.10
0.12
0.5
0.8
Valve spring
Free length
Installation height
Installation tension
N onperpendicularity 47 0.5
40.6
(282~345)N
282
2.0
+0.030
+0.010
+0.050
+0.038
-0.015
-0.030
-0.020
-0.035
ProCarManuals.com