Gravotech M20 - Page 77

77
M_M20 series V3_EN_C
Preventive maintenance
• Removal and mounting of the chuck
Thechuckshouldalwaysberemovedfor󰄉atengravingofanobjectofmorethan
85 mm (3.346 in) along Y. Otherwise, there is a risk that the tool holder might strike
the jaws or the chuck.
2
3
4
1
1. Center screw
2. Chuck
3. Allenkey(4mm(0.157in))
4. Dowel
Removingthechuck:
1. Loosen and remove the center screw of the chuck with the wrench.
Ifnecessary,openthejawswiththechuckclampingring.
2. Remove the chuck.
Mountingthechuck:
1. Position the chuck on the shaft, with the dowel.
2. Place in position and tighten the center screw of the chuck with the wrench.