TM 5-3805-262-20
3-25. HYDRAULIC SYSTEM TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
(ALL OTHER CYLINDERS
3 . BUCKET TILT CYLINDER ASSEMBLIES OPERATION SLUGGISH OR POOR
OPERATE PROPERLY) (Cont).
S t e p 4 . ( C o n t ).
Hydraulic system pressure is over 2000 psi a n d h y d r a u l i c r e s e r v o i r i s
p r e s s u r i z e d w i t h c o m p r e s s e d a i r. Before loosening or disconnecting any
h y d r a u l i c h o s e s , l i n e s , o r f i t t i n g s , l o o s e n h y d r a u l i c r e s e r v o i r f i l l
c a p , a n d o p e r a t e a l l h y d r a u l i c c o n t r o l l e v e r s t o r e l i e v e h y d r a u l i c
system pressure. Failure to do so could cause serious injury or death.
If you are injured obtain medical assistance immediately.
Disconnect hose connected to rod end of each bucket tilt cylinder
assembly from tube that comes through side of loader front chassis.
Install a cap on each tube.
S t a r t e n g i n e a n d o p e r a t e a t f u l l t h r o t t l e.
Hold BUCKET control lever in DUMP position and tell assistant to
check for hydraulic oil leakage at each hose disconnected above.
a. If there is constant leakage from a hose, the cylinder packing
is damaged. Shut off engine and replace bucket tilt cylinder
assembly connected to hose which was constantly leaking (page
1 1 - 4 ).
b. If there wasn’t constant leakage from a hose, notify next higher
maintenance level (additional checks must be performed).
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