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Figure 1-1. Typical View
Up
TM-55-1730-222-12 Jack Hydraulic Tripod 3 Ton Part No. 8587 Manual
Next
Section II: PREPARATION FOR USE
T.O. 35A2-2-77-1
TM 55-1730-222-12
I N T R O D U C T I O N AND DESCRIPTION
allowable
10%
excess
load
of
3.3
tons
(6600
pounds)
GENERAL.
(See
)
because
at
that
load
the
hydraulic
operating
fluid
is
by-passed
within
the
jack
pump
by
an
automatic
1-2.
This
publication
is
issued
as
the
basic
manual
safety
valve.
of
operation,
maintenance
and
inspection
instructions
with
parts
breakdown
for
3
Ton
Hydraulic
Tripod
DESCRIPTION.
(See
and
3-1.
)
Jack,
Part
No.
8587,
manufactured
by
Regent
Jack
,a
Division
of
Aircraft
Mechanics,
Manufacturing
Co.
1-6.
The
jack
is
a
portable,
self-contained
unit
with
Downey,
California
90241.
Inc.
,
the
hydraulic
assembly
centrally
positioned
within
a
wheeled
tripod.
The
hydraulic
assembly
consists
of
PURPOSE
AND
SCOPE.
(Refer
to
)
two
rams
encased
within
a
cylinder
which
is
mounted
on
the
jack
base.
A
steel
shell
encloses
the
rams
1-4.
Part
No.
8587
jack
is
intended
for
aircraft
and
cylinder
to
form
the
hydraulic
fluid
reservoir.
ground
load
lift
application.
The
jack
is
designed
A
single-speed,
manually-operated
pump
is
mounted
for
vertical
lifting
of
loads
up
to
3
tons
(6000
pounds).
on
the
jack
base.
The
jack
will
not
lift
loads
exceeding
the
maximum
Table
of
Specifications
Vertical
Load
Lift
Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6000
lb
Rated
Load
Capacity
............................
Maximum
Allowable
Load.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6600
1b
Required
Pump
Handle
Force
(at
rated
load).
.
.
.
.
.
.
.
.
.
.
.
.
75
lb
(approx)
Operating
Fluid
Medium
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Hydraulic
fluid,
Specification
MIL-H-5606
Hydraulic
System
Fluid
Capacity
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
0.7
gal
Pump
Handle
Length
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
18
in.
Hydraulic
Lift
(rams
extended)
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
23
in.
Height
Over
all
(under
load):
Collapsed
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
16
in.
Fully
Extended
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
39
in.
9
in.
Base
Leg
Radius
(cylinder
to
foot
pad
c
to
c).
.
.
.
.
.
.......
Base
Clearance
Radius
(cylinder
center
to
footpad
OD).
.
.
.
.
.
12
in.
130
lb
(approx)
Weight
(with
fluid)
...............................

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