Mitsubishi Pajero Pinin. Manual — part 154
ENGINE ELECTRICAL –
Starting System
16-10
DISASSEMBLY AND REASSEMBLY
2
1
17
12
4
3
13
14
15
16
11
9
10
8
7
6
5
20
19
18
21
Disassembly steps
1. Screw
A
A
"
2. Magnetic switch
3. Screw
4. Through bolt
5. Rear bracket
6. Brush holder
7. Rear bearing
A
B
"
8. Armature
9. Yoke assembly
A
B
"
10. Ball
11. Packing A
12. Packing B
13. Plate
14. Planetary gear
15. Lever
A
C
" "
A
A
16. Snap ring
A
C
" "
A
A
17. Stop ring
18. Overrunning clutch
19. Internal gear
20. Planetary gear holder
21. Front bracket
ENGINE ELECTRICAL –
Starting System
16-11
DISASSEMBLY SERVICE POINTS
A
A
"
MAGNETIC SWITCH REMOVAL
Disconnect the field coil wire from M-terminal of the magnetic
switch.
A
B
"
ARMATURE AND BALL REMOVAL
When removing the armature, do not lose the ball placed
at the end as a bearing.
A
C
"
SNAP RING/STOP RING REMOVAL
1.
Using an appropriate wrench socket, push the stop ring
toward the overrunning clutch.
2.
Remove the snap ring with snap ring pliers and then remove
the stop ring and overrunning clutch.
STARTER MOTOR PARTS CLEANING
1.
Do not immerse the parts in cleaning solvent. Immersing
the yoke and field coil assembly and/or armature will
damage insulation. Wipe these parts with a cloth only.
2.
Do not immerse the drive unit in cleaning solvent. The
overrunning clutch is pre-lubricated at the factory and
solvent will wash lubrication from clutch.
3.
The drive unit may be cleaned with a brush moistened
with cleaning solvent and wiped dry with a cloth.
Magnetic
switch
S-terminal
M-terminal
Field coil
wire
Stop ring
Socket
Pinion gear
Overrunning
clutch
Snap ring
Pinion gear
Over-
running
clutch
Snap ring pliers
ENGINE ELECTRICAL –
Starting System
16-12
REASSEMBLY SERVICE POINTS
"
A
A
STOP RING/SNAP RING INSTALLATION
Using an appropriate tool, pull the stop ring over the snap
ring.
INSPECTION
COMMUTATOR
1.
Place the armature in a pair of “V” blocks and check the
runout with a dial indicator.
Standard value: 0.05 mm
Limit: 0.1 mm
2.
Measure the commutator outer diameter.
Standard value: 29.4 mm
Limit: 28.8 mm
3.
Check the undercut depth between segments.
Standard value: 0.5 mm
Limit: 0.2 mm
OVERRUNNING CLUTCH
1.
Check that the pinion locks when it is turned anti-clockwise
and moves smoothly when it is turned clockwise.
2.
Check the pinion for wear or damage.
Stop ring
Overrunning
clutch
Stop ring
Snap ring
Undercut
Segment
Mica
Free
Lock
ENGINE ELECTRICAL –
Starting System
16-13
BRUSH
1.
Check the brush for roughness of the surface that contacts
the commutator and check the brush length.
Minimum limit: 7.0 mm
2.
In case the contacting surface has been corrected or the
brush has been replaced, correct the contacting surface
by winding sandpaper around the commutator.
ARMATURE COIL SHORT-CIRCUIT TEST
1.
Place armature in a growler.
2.
Hold a thin steel blade parallel and just above while rotating
armature slowly in growler. A shorted armature will cause
blade to vibrate and be attracted to the core. Replace
shorted armature.
Caution
Clean the armature surface thoroughly before
checking.
3.
Check the insulation between each commutator segment
and armature coil core.
If there is no continuity, the insulation is in order.
ARMATURE COIL OPEN-CIRCUIT INSPECTION
Check the continuity between segments. If there is continuity,
the coil is in order.
Growler
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