TM 5-3895-369-14
TURBOCHARGER INSPECTION
(1) Disconnect negative battery cable
(para4-90).
(2) Remove turbocharger air inlet hose
from turbocharger inlet (para 4-43).
(3) Inspect turbocharger impeller
operation.
(a) If impeller is damaged or
restricted from turning properly,
replace turbocharger (para 4-44).
(b) If impeller is not damaged or
operates properly, indicates low
compression supervisor.
ENGINE COMPRESSION TEST
(1) Close fuel shutoff valve (para 2-17).
(2) Power up STE/ICE-R to vehicle battery
source (TM 9-4910-571-12&P, in
TK mode).
(3) Perform STE/ICE-R pressure test #50
on each cylinder.
(4) Engine compression should be 350
psi (2413 kPa) at 250 RPM cranking
speed.
(a) A 100 psi (1007 kPa) difference
between cylinders indicates a
compression seal problem,
notify supervisor.
(b) If engine passes compression
test, notify supervisor.
4-65
