3-30. ENGINE TROUBLESHOOTING (CONT)
TEST OR INSPECTION
6. ENGINE STALLS FREQUENTLY OR DOES NOT DEVELOP FULL POWER (Cont) .
a. If coolant temperature is not between 175 to 202 degrees F, re-
move and test thermostat (page 4-87).
b . I f c o o l a n t t e m p e r a t u r e i s b e t w e e n 1 7 5 t o 2 0 2 d e g r e e s F , r e i n-
stall radiator cap, close and lock radiator cap access panel,
and go to step 5 below.
Remove engine top hood (page
T e l l a s s i s t a n t t o s t a r t e n g i n e a nd
operate at idle speed.
Squirt a small amount of fuel on
intake manifold where it contacts
Check if fuel is drawn into intake
manifold indicating intake mani-
fold gasket is damaged.
a. If fuel is drawn into intake
manifold, notify next higher
maintenance level (intake mani-
fold gasket must be replaced).
b. If fuel is not drawn into in-
take manifold, turn off engine,
and go to step 6 below.
Open radiator grille at rear of loader.
Connect STE/ICE power cable W5 connector P1 to VTM J1.
Check that VTM PUSH ON/PULL OFF switch is in OFF position.
Connect power cable W5 red clip lead to loader battery positive post
and black clip lead to loader battery negative post.
Do STE/ICE confidence test (TM 9-4910-571-12&P).
At VTM, dial 60 into TEST SELECT and press and release TEST.
When UEH appears on VTM display, dial 22 into TEST SELECT and press
and release TEST.