p e n d i n g on which driving head the
g e n e r a t o r is mounted, and multiply
d i r e c t - d r i v e - c a l i b r a t i n g potentiometer
this reading by 1,000 to determine the
switch (19) to the "DIRECT DRIVE"
speed in rpm.
(6) After the test has been completed, stop
(4) S t a r t the varidrive assembly as pre-
t h e varidrive assembly as prescribed
(5) O b t a i n the reading from either the
erator from the driving head.
0-3.3 (low speed range) or 0-12 (high
speed range) scale on the face of the
When testing a pulley-driven generator or al-