DS AND GS
Section I. SPECIAL DS AND GS REPAIR PARTS
No special tools are required for DS and GS
The repair parts required for DS and GS
maintenance of the tester.
maintenance of the tester are listed in section
VII of Repair Parts and Special Tools Listing,
Lubrication of the tester is described in para-
Section II. TROUBLESHOOTING
This section provides DS and GS maintenance
A tabulation of symptoms of probable trou-
bles and remedies which are likely to be en-
personnel with information useful in diagnosing
countered before, during, or after operation and
and correcting failures of the tester.
repair of the equipment are contained in table 6.
Indicator light does
Open rectifier or shorted ca-
pacitor and motor. (Check
not illuminate and
voltage on yellow coded lugs of
motor does not run when
power switch is in ON
rectifier.) If voltage is present with
no dc voltage acrosss the red
and black coded lugs, either the
the rectifier is open or capacitor
or motor is shorted. Disconnect red
lead from the rectifier and re-
check voltage across red and
black coded lugs of rectifier.
If dc voltage is now present, capacitor
or motor is shorted. (See
cm input leads. (Disconnect plug
mating with J1 and check re-
sistance between pins 1 and 2 at
between pins I and J; see
Check voltage across terminals 3
and 4 of T1, 25V(rms).