TM 5-2420-224-20-2
BACKHOE/CRANE LATCH CYLINDER HYDRAULIC LINES AND
FlTTlNGS 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
Tool 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, Itern 7
Appendix C, Itern 32
Condition Description
Backhoe (SEE) or Crane
(HMMH) in Three-Point
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 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.
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.
REMOVE
NOTE
Procedure is the same for both vehicles.
Tag lines and fittings prior to removal to aid in installation.
Discard packing(s) and lock nut.
backhoe/crane latch cylinder hydraulic LINES and FlTTINGS using illustration and legend as a guide.
NOTE
Procedure is the same for both vehicles.
Install new packing(s) and new lock nut.
INSTALL backhoe/crane latch cylinder hydraulic LINES and FlTTINGS using illustration and legend as a guide.
4-596
