TM 5-3805-262-20
3-14. TRANSMISSION TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. LOSS OF DRIVE IN ALL RANGES (Cont).
S t e p 3 . ( C o n t ).
NOTE
Do not depress declutch treadle and valve. Depressing declutch treadle
a n d v a l v e a c t i v a t e s c l u t c h c u t o u t c y l i n d e r i n t u r n n e u t r a l i z i n g
transmission.
With an assistant in operator’s seat, move control valve assembly
valve spool slowly through its entire range of travel.
Movement of loader should be seen.
a. If loader moves, adjust transmission linkage controls (page
6 - 1 8 ) .
b. If loader does not move, go to step 4 below.
Step 4.
Disconnect and cap hose connected to control valve assembly clutch
c u t o u t c y l i n d e r.
Start engine and operate at idle speed and apply parking brake.
B e f o r e p e r f o r m i n g t h e f o l l o w i n g s t e p s , b e s u r e t h a t t r a n s p o r t / s e r v i ce
l i n k i s e n g a g e d . F a i l u r e t o d o s o c o u l d c a u s e s e r i o u s i n j u r y o r d e a th
due to chassis pivoting and crushing you when you are working in area
between front and rear chassis.
With an assistant in opera-
tor’s seat, move control
valve assembly valve spool
slowly through its entire
range of travel. Movement of
loader should be seen.
a. If loader does not move,
notify next higher main-
t e n a n c e l e v e l ( c o n t r ol
valve assembly must be
r e p l a c e d ) .
b. If loader moves, replace
declutch treadle and
valve (page 7-53).
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