Hilti NURON SPN 6-22 Manual page 19

4. If the following equipment exists, also take this action:
Option: SPN­RL
▶ Insert the pushrod extension between the pushrod and the punch and grease it.
5. Install the accessory tool. → page 10
8.2 Changing the die
Option: SPN­CN
1. Push the cover ring up and out of the groove.
2. Use a suitable punch to push the straight pin out of the hole.
3. Disengage the die from the carrier pin.
4. Position the new die on the carrier pin.
5. Reinstall the straight pin.
6. Push the cover ring down into the groove and check that it is correctly seated.
8.3 Changing the punch guide
Option: SPN­CN
CAUTION
Risk of damage to product and cutting tools!
▶ Clean the threads before installing the securing screws.
▶ Always use the new securing screws supplied and tighten the screws to the specified tightening torque.
1. Remove the die. → page 13
2. Remove the securing screws.
3. Lift off the punch guide.
4. Place the new punch guide in position.
5. Insert the securing screws and tighten them to the specified torque.
Technical data
Tightening torque
6. Reinstall the die.
8.4 Checking die, punch guide and wear plate 11,
Option: SPN­RN
OR SPN­RL
CAUTION
Risk of damage to product and cutting tools!
▶ Clean the threads before installing the securing screws.
▶ Always use the new securing screws supplied and tighten the screws to the specified tightening torque.
1. Remove the securing screws.
2. Remove the punch guide and the die.
3. Check the wear plate for signs of wear.
Result
If clear signs of wear are visible:
▶ Remove the wear plate and install a new replacement.
4. Clean the contact surfaces of the die bearing.
5. Use the pins to center the punch guide and the die.
6. Reinstall the securing screws and tighten until hand-tight.
7. Grease the guide surfaces of the punch guide.
*2327535*
9
10
2327535
3 Nm
12
English 13