TM 5-2420-224-20-2
B A C K H O E / C R A N E T I L T C Y L I N D E R H Y D R A U L I C L I N E S A N D F I T T I N GS
REPLACEMENT
This task covers:
a. Removal b. Installation
I N I T I A L S E T UP
Tools and Special Equipment:
General Safety Instructions:
Shop Equipment, SC 4910-95-CL-A74
TOOI Kit, SC 5180-90-CL-N26
Materials/Parts:
Packing (AR)
Nut, Lock (AR)
Caps and Plugs
Rags
Equipment Condition:
Reference
Page 2-22 or 2-23
Page 2-23
Appendix C, Item 7
Appendix C, Item 32
Condition Description
Backhoe (SEE) or Crane
(HMMH) in Three-Point
Stance
W A R N I N G
High pressure hydraulics [oil
under 2450 psi (16,893 kPa)]
o p e r a t e t h i s e q u i p m e n t .
N e v e r
d i s c o n n e ct
a n y
h y d r a u l i c l i n e o r f i t t i n g
w i t h o u t
f i r st
d r o p p i n g
p r e s s u r e t o z e r o . A h i g h
p r e s s u r e o i l s t r e a m c a n
p i e r c e b o d y a n d c a u s e
severe injury to personnel.
Fuel and oil are slippery and
c a n c a u s e f a l l s . T o a v o i d
injury, wipe up spilled fuel or
oil with rags.
Hydraulic Pressure
Relieved
C A U T I O N
Cap or plug all ports and ends of hoses and tubes to prevent contamination
of hydraulic oil. Failure to do so may result in damage to equipment.
NOTE
l Procedure is the same for both vehicles.
. Tag lines prior to removal to aid in installation.
l Discard packing(s) and lock nut.
REMOVE backhoe/crane tilt cylinder hydraulic LINES and FITTINGS using illustration and legend as a guide.
4-594
