User Guide; Maintenance/Service - Bahco 7454 Guia Del Usuario

USER GUIDE

SETTING ELECTRIC CONTACT ARM
ON DUAL SCALE MODELS
PUSHER
NEEDLE
(ORANGE)
Setting electric arm at zero with all torque readings made from inner
circle of numbers of the scale for right-hand (CW) torquing, and the
outer circle of numbers on the scale for left-hand (CCW) torquing:
1. Turn bezel (CCW) until light and buzzer goes on.
2. Continue to turn bezel (CCW) until inner zero of desired
scale (English or Metric) is lined up with orange pusher needle
3. Now turn bezel (CW) until light goes off and orange pusher
needle is aligned with desired torque graduation in inner portion
of scale orange pusher needle is now preset to desired torque
value.
4. Apply force to handle in the (CW) direction. When the preset
torque value is reached the light and buzzer will go on.
When force on the handle is released orange pusher needle
will return to the preset torque value.
5. To change the preset torque value to another, turn the bezel as
required to the new torque value within the same dial graduation
and proceed as in step 4 above.
6. IMPORTANT – Always make sure that the electric contact
arm is zeroed.

MAINTENANCE/SERVICE

1. The torque wrench's internal mechanism is permanently
lubricated during assembly. Do not attempt to lubricate
the internal mechanism.
2. Clean torque wrench by wiping. Do not immerse.
3. Store torque wrench in protective case.
Electric Signal Dial
GB
ELECTRIC
CONTACT
ARM
BEZEL
7