20
Only for 19TPI and 11
1
/
2
TPI threads it is necessart to
change gears (Fig 27, 28)
Fig 27
Fig 28
9. Maintenance and inspection
General notes:
Maintenance, cleaning and repair work may only
be carried out after the machine is protected
against accidental starting.
Lock the main switch in Off position.
Clean the machine regularly.
Defective safety devices must be replaced
immediately.
Repair and maintenance work on the electrical
system may only be carried out by a qualified
electrician.