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Page Title:
STARTER MOTOR TEST (Sheet 2 of 3) |
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 TM 9-2835-255-34
STARTER MOTOR TEST (Sheet 2 of 3)
TEST:
WARNING
1. CLEAN MOTOR (1) AND CHECK
ARMATURE ROTATION.
a. Clean outside of motor (1) with solvent
and rag.
b. Turn starter housing collar (2) clockwise
and counterclockwise. If collar (2) and
armature shaft (3) do not turn freely,
repair starter motor (page 9-6).
2. REMOVE TWO PLUGS (4) AND GASKETS
(5). INSPECT PLUGS (4) FOR DAMAGE.
REPLACE AS REQUIRED.
3, TEST ARMATURE CONTINUITY.
a. Set multimeter to RX1 scale and check
continuity between two brush
terminals (6). If multimeter reads 10
ohms or more, replace motor (1).
b. Set multimeter to RX10,000 scale. Check
continuity between each terminal (6) and
housing (7). If multimeter reads any thing
except infinity, replace motor (1).
4. TEST SOLENOIID RESISTANCE.
a. Set multimeter to RX1 scale. Check
continuity between terminal (8) and B
terminal (9). If multimeter reads more
than 10 ohms, replace starter motor
solenoid switch (page 9-4).
b. Set multimeter to RX10.000 scale. Check
resistance between terminal (8) and
switch case ( 10). Check resistance between
M terminal (11) and case (10). Check
resistance between B terminal (9) and
case (10). If multimeter reads anything
except infinity for any of three checks,
replace starter motor solenoid switch
Go on to Sheet 3
9-2
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