TM 5-2420-224-20-2
BACKHOE/CRANE LATCH CYLINDER REPLACEMENT
This task covers: a. Removal b. Installation
Tools and Special Equipment:
Shop Equipment, SC 4910-95-CL-A740
Tool Kit, SC 5180-90-CL-N26
Materials/Parts:
Packing (2)
Caps and Plugs
Rags
References:
LO 5-2420-224-12
TM 5-2420-224-10
Equipment Condition:
Reference
TM 5-2420-224-10
Page 2-23
Appendix C, Item 7
Appendix C, Item 32
Condition Description
Backhoe (SEE) or Crane
(HMMH) in Stowed
Position
Hydraulic Pressure
General Safety Instructions:
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 an
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.
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.
Procedure is the same for both
Procedure is the same for both
Tag lines prior to disconnecting
NOTE
vehicles.
latch cylinders.
to aid in connecting.
1.
DISCONNECT two hydraulic HOSES (1 and 2). INSTALL CAPS or PLUGS.
2.
REMOVE four snap rings (3 and 4), two pins (5 and 6), and latch CYLINDER
3.
REMOVE two FITTINGS (8 and 9) and two packings (10 and 11) from latch
PACKINGS.
4-684
(7).
c y l i n d e r ( 7 ) . D I S C A R D
Relieved
