TM 5-2420-224-20-2
B A C K H O E / C R A N E H Y D R A U L I C L I N E S A N D F l T T l N G S R E P L A C E M E N T -
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 c t
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 s t
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 gh
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 id
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
• Procedure is the same for both vehicles.
• Tag lines prior to removal to aid in installation.
• Discard packing(s) and lock nut.
REMOVE backhoe/crane hydraulic LINES and FITTINGS using illustration and legend as a guide.
l N S T A L L A T l ON
•
•
INSTALL
4-598
NOTE
Procedure is the same for both vehicles.
Install new packing(s) and new lock nut.
backhoe/crane hydraulic LINES and FlTTINGS using illustration and legend as a guide.
R E M O V A L
