TM 5-2420-224-20-2
REAR HYDRAULIC SYSTEM RETURN LINES AND FITTINGS
REPLACEMENT
This task covers:
a. Removal b. Installation
I N I T I A L S E T UP
Tools and Special Equipment:
Shop Equipment, SC 4910-95-CL-A74
TOOI Kit, SC 5180-90-CL-N26
Materials/Parts:
Packing (AR)
Nut, Lock (AR)
Kit, Split Flange
Kit, Split Flange
Caps and Plugs
Appendix C, Item 7
Rags
Appendix C, Item 32
Equipment Condition:
Reference
Condition Description
Page 2-22 or 2-23
Backhoe (SEE) or Crane
(HMMH) in Three-Point
Stance
Page 2-23
Hydraulic Pressure
Relieved
General Safety Instructions:
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 ut
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 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 id
injury, wipe up spilled fuel or
oil with rags.
R E M O V A L
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.
REMOVE
NOTE
Procedure is the same for both vehicles.
Tag lines prior to removal to aid in installation.
Discard packing(s) and lock nut(s).
rear hydraulic system return LINES and FITTINGS using illustration and legend as a guide.
4-592
