ZHEN
15
Robacta torch necks -
dismantling and as-
sembling
NOTE! Risk of coolant
escaping through loose
union nut. When fitting the torch
neck, ensure that the union nut is
securely fastened: Tighten union
nut using a flat spanner.
For a defined, reproducible tighte-
ning torque, use a flat spanner and
torque wrench, ideal tightening
torque = 18 ±2 Nm.