Instruction Sheet
Feed-Through Head Assembly 58443-1
For Discrete Wire MTA-156 Receptacles
408-9607
20 DEC 10 Rev C
Locating
Pawl
Feed
Slide
Insert
Housing
Wire Subassembly
Retainer
Rod Inserter
Adjuster
Wire Inserter
(Hidden)
Figure 1
Features of the head assembly (shown in Figure 1)
and functions are as follows:
1. INTRODUCTION
Feed--Through Head Assembly 58443--1 is used to
terminate discrete wires onto MTA--156 Receptacles
640599--[ ] (for wire size 18 AWG) and Receptacles
640604--[ ] (for wire size 26 AWG) with a maximum
insulation diameter of 2.41 mm [.095 in.]. Read these
instructions thoroughly before using the head.
Wire inserter—forces the wire into the two slotted
beams of the contact. Note that it provides support for
the contact beams when applying insertion force on
the wire.
Rod inserter adjuster—is a piston for the wire inserter
and regulates wire inserter travel.
The head must be mounted onto one of the following
tools (for operating procedure for the tool, refer to the
instructions packaged with the tool):
Feed slide—automatically positions the receptacle
after each termination.
— Pistol Grip Manual Handle Assembly 58074--1
(408--6790)
— Electric Power Unit 931800--1 (409--5746)
— Pistol Grip Pneumatic Handle Assembly
58075--1 (408--6789)
Locating pawl—aligns the receptacle for insertion,
and retains it during termination. The locating pawl is
sometimes referred to as the “anti--backup pawl.”
Insert housing—holds the receptacle in place in
relation to the wires.
— Pneumatic Power Bench Assembly 58338--1
(408--9393)
Wire subassembly retainer—holds the wires in place
in relation to the receptacle.
All numerical values in this instruction sheet are
in metric units [with U.S. customary units in
brackets]. Dimensions are in millimeters [and
inches]. Figures are not drawn to scale.
NOTE
i
3. TEST CRIMP AND HEAD ADJUSTMENTS
3.1. Test Crimp
Reasons for reissue of this instruction sheet are
provided in Section 8, REVISION SUMMARY.
1. Make a termination according to Section 4,
Steps 1 through 6. If the receptacle cannot be
inserted into the head, or if the receptacle is too
loose in the head, adjust the insert housing
according to Paragraph 3.2.
2. DESCRIPTION
The head serves as a guide and support for the
receptacle during termination.
TOOLING ASSISTANCE CENTER 1-800-722-1111
PRODUCT INFORMATION 1-800-522-6752
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