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5. Screw up the punch tightly by hand.
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The manual hydraulic drive is now prepared for the punching operation.
6.3 PERFORMING THE PUNCHING OPERATION
1. Turn the manual valve wheel clockwise into the “On” position.
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The manual hydraulic drive is now engaged.
2. Operate the manual lever of the manual hydraulic drive.
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After a few strokes the hole will be punched.
NOTICE
Damage to the hole punch by uncontrolled pump strokes!
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Do not operate the manual lever any more once the punch has broken through.
6.4 COMPLETING THE PUNCHING OPERATION
1. Turn the manual valve wheel anticlockwise into the “Off” position.
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The piston of the hydraulic cylinder will automatically retract to the home position.
2. Take the manual hydraulic drive out of the punched material.
3. Unscrew the punch from the draw bolt.
4. Slide the matrix down off the draw bolt.
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Use pliers to pull the punched plug out of the matrix.
7. TECHNICAL DATA
Pressure rating
up to approx. 600 bar
Pivoting and rotating cylinder
by 360°
Length without draw bolt
360 mm
Width (over both handles)
260 mm
Weight
2,49 kg
Maximum force at the handle
356 N
Circuit type
Closed loop
Maximum operating pressure
44,48 N
8. TROUBLESHOOTING
Fault
Action
Loss of compression
Contact Hoffmann Group customer service.
Hydraulic oil leakage
Contact Hoffmann Group customer service.
9. RECYCLING AND DISPOSAL
Comply with the national regulations for disposal.
Do not make disposal in domestic waste.
