Publicité
Les langues disponibles
Les langues disponibles
IV. Inspection of the basic ignition timing
Note: For some systems, before checking or adjusting the ignition time according to instructions,
some special elements should be unplugged, jump connected or grounded. If it's not done according
to instructions, the checked or adjusted ignition time will not be correct.
4.1.
Make sure that the timing light is correctly connected according to the above requirement.
4.2.
Make sure the preparations of the engine have been made according to the above
requirement.
4.3.
Start the engine, run to the normal working temperature.
4.4.
If needed, adjust the idle speed according to the factory's requirement.
4.5.
Observe the relative position between the timing scale and the indicator (see Fig 4): compare
the displayed timing degrees with the specified value, if the timing degrees are within the
allowed range (usually 2 degrees), then, the ignition timing is normal. If the degrees exceed the
range, it's likely that some parts need to be replaced or the timing needs to be adjusted.
4.6.
Loose the flash switch, turn off the flash light.
4.7.
Turn off the ignition switch, take down the timing light.
Note: If the timing light doesn't work or works abnormally, please refer to the trouble-elimination
section of this manual, check the possible causes.
Ablesen der Einstellung
A - Ignition marking
B - Reference indicator
M - Engine
V. Adjustment of the ignition timing
Adjust the ignition timing according to the adjustment procedure and technical requirement according
to the repair manual. Never try to adjust the ignition timing when one is not sure of the adjustment
procedure and technical requirement.
VI. Inspection of the control part of the ignition advance
The control of the ignition advance is to guarantee that the ignition system can ignite at the
appropriate time during the compression stroke. The control of the ignition advance includes:
mechanical advance control, vacuum advance control, and electronic advance control, etc.
Note: The inspection methods of the vehicle's ignition advance vary greatly. The following mentioned
method is the general method to inspect mechanical / centrifugal type ignition advance.
Then checking the ignition advancing angle, one should confirm that the reference ignition time and
the closing angle are correct.
Refer to the repair manual to understand correct inspection procedure and technical requirement.
Make sure that all the safety rules are observed.
SW-Stahl und Werkzeugvertriebs GmbH
5
d i e
6
e
s
s
a r t S
h
c
s
m
e
R
Tel. +49 (0) 2191 / 46438-0
r e
F
ax +49 (0) 2191 / 46438-40
s
u
k r e
v
e
7
9
8
2
4 -
D
e
L
d . l h
a t s
w
s
@
o f n i
: l i
Publicité
