TB 9-5120-206-35
Torque
a. Performance Check
(1) Set TI indicator to zero with no torque applied.
(2) Exercise TI as follows:
(a) Turn crank handle cw to obtain an approximate full-scale indication on TI
indicator. FORCE/TORQUE INDICATOR will indicate ccw reaction torque.
(b) After 30 seconds, turn crank handle ccw to obtain a zero indication on TI
indicator.
(c) Repeat (a) and (b) above two times.
(d) Press the F4 key on the FORCE/TORQUE INDICATOR until you see
→0← as soft key. Press the → 0← soft key to zero FORCE/TORQUE INDICATOR.
(3) Operate TI cw to obtain indications listed in table 3. If load cell indications
are not within limits specified, perform b below.
Test instrument
FORCE/TORQUE INDICATOR indications
indications (ft-lb)
Min
Max
100
97
103
200
194
206
300
291
309
4001
388
412
500
485
515
600
582
618
1Replace
500 ft-lb TORQUE CELL with 1000 ft-lb TORQUE CELL and repeat paragraph 7e through 8a(2).
NOTE
The calibration points must be approached in the direction of
increasing torque. If calibration point is passed, reduce
torque and approach calibration point again.
(4) Repeat 7e through 8(3) above, except turn crank handle ccw.
(5) Turn TI crank handle cw to obtain a zero indication.
b. Adjustments
(1) Apply torque in cw direction for TI indication of 100 ft-lb and record
indication.
(2) Repeat (1) above at 300 ft-lb.
NOTE
Whenever direction of torque is changed (cw or ccw),
FORCE/TORQUE INDICATOR setup must be changed and
TI must be exercised three times.