TM-5-5420-228-24
LAUNCHER HYDRAULICS SYSTEM M48A5/M60A1 TANK CHASSIS, TRANSPORTING: FOR BRIDGE, ARMORED-VEHICLE-LAUNCHED; SCISSORING TYPE, CLASS 60
TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL
AUGUST 1985
TM-5-5420-228-24 - Page 180 of 750
TM 5-5420-228-24
Symptom-8
DETAILED
TROUBLESHOOTING
PROCEDURE
SUPPORT
SYSTEM
- VENTILATION
VENTILATING
BLOWER
MOTOR
DOES
NOT WORK
r
,-
.
Qig$ijij$
M,
b
10
\
-r
”<,,,,
-.
”-”
Check
CKT
159 harness
connector
at blower
motor
for
electrical
power.
Technician
(Operatt~r’~
Station)
●
Set MASTER
BATTERY
iwitch
OFF.
●
Disconnect
CKT
159 harness
connector
from
~entilating
blower.
●
Set multimeter
to measure
18 to 30 volts dc, or use STE\
ICE
Test
No.
89 (page
2-45).
●
Connect
red probe of meter
to center
contact
of harness
connector
to ~entilating
blower
tind blwk
probe
to
ground.
●
Set MASTER
BATTER}’
iJvitch
ON.
●
Set VENTILATOR
switch
ON,
●
Check
if meter
indicates
18 to 30 ~olts dc.
Does
meter indicate
18 to 30 volts
dc?
1
I
Replace
ventilating
blower
assembly
(page
3-2).
>
0-
TO
VEHICLE
GROUND
1
—
CKT
159~
MASTER
‘BATTERY
SWITCH
-
TA251398
2-101
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