409-2426 Datasheet, PDF (14/17 Pages) Tyco Electronics – Pneumatic Tools

Pneumatic Tools 68068 and 68068-1
409-2426
8. REPLACEMENT AND REPAIR
Customer–replaceable parts are listed in Figure 9. A complete inventory should be stocked and controlled to
prevent lost time when replacement of parts is necessary. Parts other than those listed should be replaced by
Tyco Electronics Corporation to ensure quality and reliability. Order replacement parts through your
representative, or call 1–800–526–5142, or send a facsimile of your purchase order to 717–986–7605, or write
to:
CUSTOMER SERVICE (038–035)
TYCO ELECTRONICS CORPORATION
PO BOX 3608
HARRISBURG PA 17105–3608
For customer repair service, call 1–800–526–5136.
8.1. Cam Replacement
1. DISCONNECT the tool from the air supply.
DANGER
To prevent personal injury, ALWAYS DISCONNECT the tool from the air supply when making replacements.
2. Remove the two screws (Item 9), washers (Item 8), and strap (Item 7) from the handle.
3. Remove screw (Item 16) and washer (Item 8) from the handle, then remove the handle from the tool
housing.
CAUTION
Observe the following precautions while removing the handle:
Ċ Protect exposed tubes from damage.
!
Ċ DO NOT allow foreign matter to enter the tubes or holes of the handle.
4. Remove the screws (Item 20) from the rear of the cylinder housing.
5. Remove the rear plug (Item 25) being careful not to damage the piston “O” ring (Item 27).
6. Open both tool housing covers (Item 17) as far as they will open.
7. Push the piston (Item 28) toward the front of the tool until access to the cam retaining pin (Item 32) is
permitted through the slot in the tool housing.
8. While observing the cam (Item 33), use a hex wrench to turn the screw (Item 24) CLOCKWISE until
the cam retaining pin (Item 32) is parallel with the large slot in the jaw housing.
NOTE
DO NOT turn the screw COUNTER-CLOCKWISE; otherwise, the piston may loosen on the piston rod (Item 29).
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9. Brace and support the cam from one side, and drive the cam retaining pin (Item 32) out of the piston
rod and cam from the opposite side.
CAUTION
!
Make sure that the cam is properly braced and supported before driving the cam retaining pin out of the piston;
otherwise, the piston rod could bend or damage could occur to the piston rod O" ring, back-up rings, or insert.
10. Replace the cam. Align the hole of the new cam with the hole of the piston rod, and re–install the
cam retaining pin (Item 32).
11. Using a hex wrench, turn the screw (Item 24) CLOCKWISE until the cam retaining pin is
perpendicular to the large slot of the tool housing.
NOTE
DO NOT turn the screw COUNTER-CLOCKWISE; otherwise, the piston may loosen on the piston rod (Item 29).
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Tyco Electronics Corporation
Rev A