TM-9-2320-387-24-1
TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE, VOLUME 1
DECEMBER 1997
CHANGE 1
TM-9-2320-387-24-1 - Page 255 of 1205
TM 9-2320-387-24-l
ALTERNATOR
KNOWN INFO
NOTHING
POSSIBLE
PROBLEMS
ALTERNATOR
CONTROL
BOX
WIRING
SERPENTINE
BELT
KNOWN INFO
SERPENTINE
BELT OK
POSSIBLE
PROBLEMS
WIRING
ALTERNATOR
ZONTROL
BOX
KNOWN INFO
SERPENTINE
BELT OK
WIRING CONNECtIONS
OI(
POSSIBLE
PROBLEMS
ALTERNATOR
CONTROL
BOX
WIRING
S SERPENTINE BELT IN GOOD
ZONDITION (NO CRACKS, FRAYS,
3R GLAZE)?
r OPTIONS
VISUAL INSPECTlON
OF
BELT TENSIONER
POSITION.
REASON
FOR QUESTlON
If belt tensioner has fully retracted,
belt will not drive the alternator
fast enough to recharge the
.
.
TEST OPTlONS
4RE ALL WIRE CONNECTIONS
VISUAL
TO ALTERNATOR CLEAN, TIGHT,
4ND MAKING GOOD CONNECTION?
REASON
FOR OUESTION
Loose or dirty connections can
\
prevent a good alternator from
charging the batteries.
IF YOU STlLL
\
I
I
1
:
L
L
WITH ROTARY SWITCH IN RUN
POSITION (ENGINE NOT RUNNING),
DO
YOU HAVE BAlTERY
VOLTAGE
AT ALTERNATOR OUTPUT
l-ERMINAL ?
T OPTIONS
I. STE/ICE-R
TESTS 67.69
(INTERLEAVE)
(Pages 2496.
2-606)
!. MULTIMETER
REASON
FOR QUESTlON
The alternator must be connected
to batteries to be able to recharge
the batteries.
-
2-200
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