TM 5-3805-262-20
3-4. ENGINE TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6. ENGINE STALLS FREQUENTLY OR DOES NOT DEVELOP FULL POWER (Cont) .
S t e p 8 . ( C o n t ).
At right side of transmission,
remove transmission oil sampling
valve and pipe nipple from
elbow. Install temperature probe
in elbow. Port in elbow is 1/8
inch standard pipe thread.
Personal injury and property damage
c a n r e s u l t i f l o a d e r i s a l l o w e d t o
m o v e d u r i n g f o l l o w i n g t e s t s . P r e s s
r i g h t b r a k e t r e a d l e v a l v e f u l l y a nd
hold down to prevent loader movement
w h i l e t r a n s m i s s i o n i s i n H r a n g e.
D o n ’ t p e r m i t p e r s o n n e l t o s t a n d i n
f r o n t o f l o a d e r.
I f l o a d e r s t a r t s to
move , r e l e a s e a c c e l e r a t o r p e d a l ,
shut down engine, and repair brake
system before proceeding.
Disconnect tachometer cable from tachometer drive (page 5-65).
Heat transmission oil:
a .
Start engine and operate at idle speed.
b. Allow air system pressure to build to normal operating pressure
(AIR PRESS gage needle indicates in green zone).
c. Press and hold down brake treadle and valve pedal for remainder
of procedure. Release parking brake.
d .
Place transmission control lever in H position .
e. Press accelerator pedal fully for two minutes.
f .
Release accelerator pedal and place transmission control lever
in N position.
g .
Press accelerator fully for 30 seconds, then release accelerator
p e d a l.
h.
Repeat steps d through g above until CONV TEMP gage pointer is
1/8 inch from red zone.
Heat hydraulic system oil:
a. Apply parking brake and place transmission control lever in N
p o s i t i o n .
b . P r e s s a c c e l e r a t o r p e d a l f u l l y.
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