408-8956 Datasheet, PDF (2/4 Pages) Tyco Electronics – Hydraulic Crimping

Hydraulic Crimping Head 1752877- 1
408- 8956
3. Hold hose in vertical position to prevent oil
spillage. Attach hose to coupling section on head.
Thread properly and tighten securely.
CAUTION
!
Oil flow must be unobstructed between power
unit and crimping head. Make sure that all
couplers are fully mated and tightened.
NOTE
i
If crimping head must be removed after being in
production, pressure must be released in the
hydraulic system before head is removed.
- If using Electric Hydraulic Pump 1583660- [ ],
DISCONNECT POWER UNIT FROM POWER
SUPPLY.
- If using Foot Hydraulic Pump 1583659- 1,
depress pressure release pedal, or if using Hand
Hydraulic Pump 1583661- 1, activate the
pressure release knob.
Latch Pin Removed
Yoke
Stationary Die
Moving Die
Setscrew
Figure 3
4. DIE INSERTION AND REMOVAL (Figure 3)
DANGER
Avoid personal injury. When using power unit,
exercise caution to avoid accidently depressing
foot pedal or handle control when installing or
changing dies.
4.1. Die Insertion
Make sure that matched die set, terminal, and wire
size are compatible. With crimping head properly
installed, refer to die set instructions, and
insert/change die set as follows:
1. Remove latch pin and open yoke on crimping
head.
2. Loosen setscrew in yoke. Refer to die set
instructions and insert stationary (upper) die which
includes the nest area into well of yoke. Tighten
setscrew.
3. Activate power unit to advance ram until
setscrew is visible (about 12.7 mm [.50 in.].
Loosen setscrew.
4. Insert moving (lower) die, which serves as the
indenter, into ram well, making sure that moving
die is properly oriented to mate with stationary die.
Tighten setscrew.
5. Close yoke and secure with latch pin.
6. Slowly close dies to ensure proper alignment.
7. Complete the cycle and return the ram to the
DOWN position.
CAUTION
!
Always ensure that the latch pin is fully inserted
or damage may occur to yoke, dies, or latch pin.
4.2. Die Removal
1. Remove latch pin and open yoke on crimping
head.
2. Activate power unit to advance ram slightly to
gain access to the ram setscrew which secures the
moving die. Loosen the setscrew and remove the
moving die.
3. Loosen setscrew in yoke and remove the
stationary die.
NOTE
i
Latch Pin Kit 69709- 2 is available as an
accessory item. The latch pin is attached to the
pivot pin by a chain to avoid misplacing the
latch pin.
5. CRIMPING PROCEDURE
DANGER
Avoid personal injury. When operating power unit,
exercise caution while holding terminals, splices,
or wire near crimping area.
The following crimping procedure provides general
information. Refer to instructions packaged with
individual die sets for specific products, wire sizes,
strip dimensions, positioning of terminals and splices
in the dies, and crimping procedures.
NOTE
i
Never operate the power unit without having a
crimping head attached to the hose.
1. Insert terminal or splice in the stationary (upper)
die according to instructions packaged with the
dies. Make sure the latch pin is secure before
activating the power unit.
2. Slowly advance moving (lower) die with short,
quick strokes until terminal or splice is secure.
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Tyco Electronics Corporation
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