TB 9-5120-202-35
NOTE
(figures 8 and 9). These two classes of torque wrenches differ
only in that one contains a ratchet mechanism enclosed in the
drive head. The ratchet is a reversible mechanism and
operates by manual movement of a lever. Gradually apply
perpendicular force on handle of TI until audible signal (snap)
is heard. Stop applying force at this point.
NOTE
Torque Wrench, Audible Signal, Tee Handle Preset
Gradually apply rotational force on handle of TI until sharp
audible snap is heard. Stop applying force at this point.
NOTE
Torque Wrench, Audible Signal, Tee Handle Adjustable:
(figure 11). Gradually apply rotational force on
handle of TI
until sharp audible snap is heard. Stop applying force at this
point.
NOTE
Torque Wrench, Audible, Preset Torque: (figure 12). Note
torque value setting on handle of TI.
Gradually apply
perpendicular force on handle of TI until audible (snap) signal
is heard. Stop applying force at this point.
NOTE
Clutch-Type Torque Screwdrivers: Turn TI in clockwise
direction and observe that torque cell indication remains at 0.
Remove TI from torque cell. Insert TI into appropriate torque
cell, using adapter (part of tool set) as required.
Set
screwdriver for cardinal point in (1) above. Gradually apply
rotational force on handle of TI until clutch automatically
releases. Stop applying force at this point.
NOTE
Direct-Reading Torque Screwdrivers:
(figure 13). Perform
9 below.
(4) Slowly release force and record reading on indicator. Remove TI from torque
soft key to reset the force/torque indicator (snap wrenches only). Press
cell. Press the
the →0← soft key to zero force/torque indicator.
(5) Repeat technique of (4) above with the applicable note two more times.
12