TM 5-5420-226-20-1
.
Symptom-9
DETAILED
TROUBLESHOOTING
PROCEDURE
VEHICLE
OPERATION
- POWERPLANT,
STARTING
FROM
STEP
(Continued)
“o
4
I
J
Check manifold preheat switch for continuity.
I
First
l
l
l
l
l
Technician
(Operator’s
Station)
Set MASTER
BATTERY
switch
OFF.
Set multimeter
to OHMS
X 1 scale and
“zero”
meter,
or use STE/ICE
Test
No.
91 (page
4-83).
Connect
red probe
of meter
to one manifold
preheat
switch
connector
and black
probe
to other
manifold
preheat
switch
connector.
Press
and
hold
manifold
preheat
switch.
Check
if meter
indicates
continuity.
Doee meter indicate continuity?
AD,
o-T+0
)
Replace primer pump
(page 7-304).
TA106916
4-227
.
