1
5-21-15 TI596-93-1
ASTRO TOOL CORP.
CONNECTOR ASSEMBLY TOOLING
612596 8-STEP ADJUSTABLE CRIMP TOOL
(NSN 5120-00-833-4190)
P
O
S
IT
'N
E
R
H
U
S
P
&
R
O
T
A
T
E
9
T
O
SEL
NO.
IN
ST
A
L
L
1
2
3
4
5 6 7
T
T
O
R
O
TA
E
R
A
I
S
E
8
ADJUSTMENT KNOB
BAYONET SOCKET
O
GENERAL
The Astro Tool 612596 8-step crimp tool is a
cycle controlled, precision crimp tool capable of
crimping wire barrel sizes 20 to 28. This tool meets
the performance requirements of M22520/34-01 and
MS3198-1.
All Astro tools are designed to comfortably fit in
your hand for less fatiguing hand operation.
Observe the precision ratchet action by opening and
closing the tool several times. Note that the tool
cannot be opened without fully completing the
crimp cycle.
BASIC TOOL OPERATION
NOTE: For proper crimping, the Basic Tool must
be used with an appropriate Positioner Assembly.
1. Select the proper Positioner for the contact to
be crimped.
2. Place the Positioner in the Bayonet Socket.
Line up the pins on the Positioner with the slots on
the Bayonet Socket. Depress the Positioner and
rotate 90
°
clockwise and release. The Positioner
will then be locked in place.
3. Consult the Data Plate on the face of the
Positioner for the proper selector setting. Grasp the
Adjustment Knob; raise and rotate until the proper
selector setting is lined up with the arrow on the
Top Handle. Release the Adjustment Knob.
4. Insert the contact through the Indenter
Opening and into the Positioner.
5. Insert the wire into the contact. Squeeze the
handles until the Tool comes to a positive stop.
Release the handles and the tool will return to the
full open position.
6. Remove the completed crimped assembly.
GAGING INSTRUCTIONS
Gaging the tool requires Astro Tool part number
621070 (MS3199-1) gage pin assembly.
1. Set the tool to selector setting # 8.
2. Close the handles to the fully closed position.
3. Holding the tool closed, insert the GO pin into
the indenter opening as shown, see figure # 1 The
gage must pass freely between the indenter tips.
4. Holding the tool closed, insert the NO GO pin
into the indenter opening. The gage pin must NOT
go between the indenter tips.
