TM 5-3805-262-20
3-25. HYDRAULIC SYSTEM TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. HYDRAULIC PUMP NOISY (Cont).
Step 4.
Check hydraulic oil level at
sight gage in front of loader.
a .
b .
I f h y d r a u l i c o i l l e v el
cannot be seen in sight
gage, add hydraulic oil
(page 11-78).
If hydraulic oil level can
be seen in sight gage, noti-
fy next higher maintenance
level to replace and repair
hydraulic pump.
2. HYDRAULIC PUMP LEAKS HYDRAULIC OIL.
Check if nuts securing hydraulic pump
s e c t i o n s a r e t i g h t .
a . I f n u t s a r e l o o s e , t i g h t en
to 200 lb-ft torque.
b . I f n u t s a r e t i g h t , n o t i fy
next higher maintenance le-
vel to replace and repair
hydraulic pump.
3. BUCKET TILT CYLINDER ASSEMBLIES OPERATION SLUGGISH OR POOR (ALL OTHER CYLINDERS
OPERATE PROPERLY).
3-178
Step 1.
Start engine and turn loader completely to left to gain access to
control valve assembly spools and linkage.
Shut off engine and apply parking brake.
Position a machinist’s rule on control valve assembly body next to
bucket spool.
Using end of clevis as a reference point, tell assistant to place
BUCKET control lever in CROWD position while you measure travel of
c l e v i s.
