Section IV. OPERATION OF COMPONENTS USED IN CONJUNCTION WITH MAJOR END ITEM

Section IV. OPERATION OF COMPONENTS USED IN CONJUNCTION WITH MAJOR END ITEM

will permit reading the torque for either direction of

21. GENERAL

rotation.

b. Couplings.

When testing actuators and

The main purpose of the starter torque tester is

retraction motors, drive couplings (fig. 13) replace the

to test the torque and speed of starters. The tester is

standard jaws supplied with the starter torque tester.

also equipped with suitable accessories and mounting

These couplings are splined to mate with the internal

adapters to be used for testing actuators and retraction

drive splines of the tester and actuator shafts.

motors.

c. Tachometer Reduction Drive Assembly. The

tachometer reduction drive assembly (20, fig. 5) has a

22. ACCESSORIES

gear reduction ratio of 10 to 1 and is used when testing

high speed units or starters with special gearing such as

a. Torquemeters (Low Reading).

For testing

Jack and Heintz JH6P, JH6PS, and JH6PK. The

actuators and retraction motors, replace the high

tachometer reduction drive assembly is connected to the

reading torquemeter used for testing starters with two

flexible drive shaft (18)of the tachometer and to the

low reading torquemeters (1 and 2, fig. 12). The two

shaft of the starter torque tester.

low reading torquemeters, one on each carrying arm,

Figure 12. Starter Torque Tester (Actuator Mounted for Testing)