Kohler Command PRO CH620-CH740 Owner's Manual page 60

Starter System
SOLENOID SHIFT ELECTRIC STARTERS
Solenoid Shift Starter Components
H
G
F
E
D
C
B
A
A Tube
C Armature
E Stop
G Collar
I Screw
K Spring
M Plate
O Solenoid
Q Brush Holder
Commutator End
S
Plate
U Bolt
When power is applied to starter electric solenoid moves
drive pinion out onto drive shaft and into mesh with
fl ywheel ring gear. When pinion reaches end of drive
shaft it rotates fl ywheel and cranks engine.
When engine starts and start switch is released, starter
solenoid is deactivated, drive lever moves back, and
drive pinion moves out of mesh with ring gear into
retracted position.
52
I
J
K
L
M
N
O
P
Q
R
S
T
U
B Washer
D Drive
F Retaining Ring
H Drive End Cap
J Plunger
L Lever
N Plug
P Frame and Field
R Nut
T Screw
KohlerEngines.com
Nippondenso Starters
Starter Disassembly
NOTE: When removing lever and armature be careful
not to lose thrust washer.
1. Disconnect lead wire from solenoid.
2. Remove nuts securing solenoid, and remove
solenoid from starter assembly.
3. Remove thru bolts.
4. Remove commutator end cap.
5. Remove insulator and brush springs from brush
spring holder.
6. Remove armature from frame.
7. Remove drive lever and armature from drive end
cap.
8. Stop collar consists of two similar pieces held in
place by being snapped over a retainer. Retainer is
held in place by a groove in armature shaft. To
remove stop collar two pieces must be pried off
retainer.
9. When stop collars are removed retainer can be
removed from armature shaft. Do not reuse retainer.
Brush Replacement
Brushes in starter are part of starter frame. Brush kit
contains four replacement brushes and springs. If
replacement is necessary, all four brushes should be
replaced.
1. Remove brushes from brush holder, and remove
brush holder from frame.
2. Cut brush lead wire at edge of post with a pair of
nippers.
3. File off any burrs on post.
4. Replacement brushes have a solid portion which
should be crimped on post.
5. Solder crimped portion to post.
6. Replace brush holder in frame and place brushes in
brush holder. Reinstall springs.
Starter Reassembly
NOTE: Always use a new retainer. Tighten retainer in
groove to secure.
1. Insert rear stop collar on armature shaft.
2. Place retainer in groove on armature shaft.
3. Fit front stop collar over shaft and bring front and
rear stop collars together over retainer. Using two
pairs of pliers apply even force to two collars until
they snap over retainer and nest into one another.
4. Reassemble remaining components of starter in
reverse order from disassembly.
Delco-Remy Starters
Starter Disassembly
NOTE: Do not reuse old retainer.
NOTE: Do not soak armature or use solvent when
cleaning. Wipe clean using a soft cloth, or use
compressed air.
1. Remove hex nut and disconnect positive (+) brush
lead/bracket from solenoid terminal.
24 690 06 Rev. K