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P r e v e n t i v e M a i n t e n a n c e C h e c k s a n d S e r v i c e s f o r M 4 8 A 5 A V L B H u l l - C o n t i n u ed | Up
TM-5-5420-226-20-1 Medium Girder Bridge Incuding Bridge Set Bridge Erection Set Link Reinforcement Set Manual | Next
P r e v e n t i v e M a i n t e n a n ce Item No. 9 Interval Semiannual C h e c k s a n d S e r v i c e s f o r M 4 8 A 5 A V L B H u l l - C o n t i n u e d |
TM 5-5420-226-20-1
Item
No.
8
P r e v e n t i v e M a i n t e n a n ce C h e c k s a n d S e r v i c e s f o r M 4 8 A 5 A V L B H u l l -
C o n t i n u e d
Location
Interval
Item to
Procedure
Not Fully Mission
Check/Service
Capable if
Semiannual
Engine (Governed
No-Load Test)
CAUTION
DO NOT RUN engine faster than 2640 rpm for more than 2 or 3
seconds in the event of governor malfunction.
With transmission shift lever in “P”
(Park) and brakes applied, gradually
open throttle until accelerator pedal
is fully depressed.
NOTE
In most cases, engine speed will surge over 2600 rpm and then stabilize
within 30 seconds between 2550-2640 rpm.
Check that governor does not cut in
and out.
Check that tachometer rum stabilizes
between 2550 and 2640 rpm.
Governor keeps
cutting in and out
(adjustments are
required). Notify
support mainte-
nance.
Tachometer does
not stabilize. Noti-
fy support mainte-
nance.
3-16
Change 6
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