TM-9-2320-272-23-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-2 - Page 143 of 1417
ABS - CODE S2A 24 (RIGHT SIDE - YELLOW CHANNEL) - Continued
STEP
4.
IS THE WHEEL SPEED SENSOR SECURELY MOUNTED?
a.
Raise rear-rear wheels until they are off the ground M939 (Volume 3, WP
0484),
M939A1/A2 (Volume 3, WP
0485). Support vehicle with jack stands.
b.
Check wheel speed sensor mounting clip for loose fit or damage.
T0939DAA
BRAKE SHOES
SENSOR
SENSOR CLIP
SENSOR BRACKET
DRUM
EXCITER RING
STUD
AXLE
SENSOR CLIP
TAB
ASSEMBLY OF SENSOR BLOCK,
CLIP AND SENSOR
Figure 3.
ABS Wheel Speed Sensor.
TM 9-2320-272-23-2
0167
0167-4
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