TM 5-2420-224-20-2
BACKHOE BUCKET CYLINDER REPLACEMENT
This task covers:
a. Removal b. Installation
I N I T I A L S E T U P
Applicable Configuration:
General Safety Instructions:
SEE
Tools and Special Equipment:
Shop Equipment, SC 4910-95-CL-A74
Tool Kit, SC 5180-90-CL-N26
Materials/ParIs:
Packing (2)
Caps and Plugs
Appendix C, Item 7
Rags
Appendix C, Item 32
Personnel Required: (2)
References:
TM 5-2420-224-10
LO 5-2420-224-12
Equipment Condition:
Reference
Condition Description
Page 2-22
Backhoe in Three-Point
Stance
Page 2-23
Hydraulic Pressure
Relieved
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 ng
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.
• B a c k h o e b u c k e t c y l i n d e r
w e i g h s 8 3 p o u n d s ( 3 8
kilograms). To avoid personal
injury, use a hoist or suitable
l i f t i n g d e v i c e w h e n l i f t i ng
backhoe bucket cylinder.
• 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.
NOTE
Tag lines prior to disconnecting to aid in connecting.
1.
DISCONNECT two HOSES (1 and 2). INSTALL CAPS or PLUGS.
4-668
