Opel Frontera UBS. Service manual — part 420
STARTING SYSTEM 6D2 – 9
Magnetic switch
•
Continuity of shunt coil
Check for continuity between terminals S and coil
case.
Replace, if there is no continuity (i.e., coil is
disconnected).
•
Continuity of series coil
Check for continuity between terminals S and M.
Replace, if there is no continuity (i.e., coil is
disconnected).
Pinion
•
Check if the pinion rotates smoothly in drive direction
by hand, or if it is locked when it is rotated reversely.
If not, replace the pinion.
Yoke assembly
•
Check a magnet inside the yoke.
Replace the yoke assembly if it is broken.
•
Continuity of contacts
With the plunger faced downward, push down the
magnetic switch. In this state, check for continuity
between terminals B and M. Replace, if there is no
continuity (i.e., contacts are faulty).
6D2 – 10 STARTING SYSTEM
REASSEMBLY
To install, follow the removal steps in the reverse order,
noting the following points:
Grease application places
•
Gears in reduction gear
•
Shift lever operating portion
•
Sliding portion of pinion
•
Plunger sliding portion of magnetic switch
Pinion jump-out dimension
•
Connect the (+) cable of battery to terminal S and the
(–) cable to terminal M. Turn the switch on, and
measure pinion travel dimension “L” in thrust
direction from the jump-out position.
In measuring the dimension, pull the pinion out a little in
the arrow direction.
If the measured value is out of standard, adjust the of
shims.
Dimension
L
0.3 - 1.5 (0.01 - 0.06)
Standard
mm (in)
STARTING SYSTEM 6D2 – 11
MAGNETIC SWITCH
Pull-out test
Connect the magnetic switch to the battery as shown.
The negative side to the “M” terminal and the magnetic
switch body (housing); the positive side to the “S”
terminal. If the pinion has been ejected, the pull-in coil is
satisfactory
Hold-in test
1.
Next disconnect the “M” terminal.
2.
The pinion should remain the ejected position
Return test
When the switch body is disconnected, the pinion should
return quickly
6D2 – 12 STARTING SYSTEM
MEMO
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