TM 9-4910-663-12
month. Use preservative P-9 oil on all unpainted surfaces of ferrous
parts such as pulleys, pulley adapter, etc., on a monthly basis.
c. Changing Grades of Lubricants. Lubricants are prescribed in
figure 3-1 in
accordance with two
temperature ranges: from +25 to
+65F and from 50 to 110F. When to-change grade of lubricants is
determined by maintaining a close check on operation of the test
stand during the approach to changeover periods in accordance with
weather forecast data. Ordinarily, it will be necessary to change
grade of lubricants only when air temperatures are consistently in
the next higher or next lower range.
TROUBLESHOOTING
Section II.
3-5 GENERAL
a. This section contains troubleshooting information for locating
troubles which may develop in the test stand. Each malfunction for an
individual component is followed by a list of tests or inspections
which will help you to determine the corrective actions for you to
take. . You should perform the tests/inspections and corrective actions
in the order listed.
b. This manual cannot list all possible malfunctions that may
occur, nor all tests or inspections and corrective actions.
If a mal-
function is not listed (except when malfunction and cause are obvious)
or is not corrected by listed corrective actions, notify your super-
visor.
TROUBLESHOOTING TABLE.
3-6.
instructions for operator.
3-2.2
Change 1