TM
55-4920-244-14
Table 3-1. Inspection Requirements - Continued
AFTER OPERATION - Continued
Procedures
Reference Applicable to Each Item
Protect against damage and tampering, by
parking tester in a protected area.
system and component parts, only minor lubrica-
3-8. General.
tion is required. The hinges and wheels of the
To insure that the tester is in operational
tester are to be lubricated as necessary for ease
readiness at all times, it must be systematically
of operation and movement and to prevent cor-
inspected so that defects may be discovered and
rosion.
corrected before resulting in serious damage to,
or failure of, equipment. Systematic preventive
3-11. Detailed Lubrication Information.
maintenance services are based on scheduled in-
a. Hinges. Using an oil can, apply a few
spections and services to be accomplished by op-
erators and organizational maintenance personnel.
drops of oil (item 9, table 1-2) to hinges. Wipe
The preventive maintenance inspections will be
excess oil from hinges with a suitable cloth.
b. Wheels. With wheels removed, apply
recorded in accordance with procedures outlined
a light coating of grease (item 10, table 1-1) to
in the inspection worksheets listed in paragraph
wheel mount axles.
1-2. Each form covers a specific inspection peri-
od, providing a system of progressive preventive
maintenance. These forms are available through
3-12. Extreme Environmental Maintenance.
normal supply channels.
a. Cold. Provide best possible shelter to
protect tester from freezing rain, sleet, or snow.
3-9. Cleaning.
b. Heat. Provide best possible shelter to
protect tester from direct rays of sun.
Clean the tester, components, and acces-
c. Dust and Sand. If possible, perform all
sories with dry cleaning solvent (item 1, table
maintenance in a sheltered, well protected area.
1-1) .
(1) Reduce inspection and servicing
intervals and keep tester wiped clean.
(2) Keep tester under a protective
cover.
formation useful for the proper care of the tester.
d. Humidity. If possible, perform all
Due to the construction of the tester electrical
maintenance in a well ventilated or dry area.
Section V. OPERATIONAL CHECKOUT OF TESTER AND ACCESSORIES
a. Place switch SW-1 in OFF position.
b. Place TEMP. REGULATOR knob in
0 position.
After 10 test operations, the heater
probes, heater cable, junction box, and galvanom-
WARNING
eters (GALVO-1) shall be operationally checked
Ground tester with pigtail
as follows.
ground wire in power inlet
NOTE
cable before using tester.
All heater probes shall
c. Connect rower inlet cable to connector
be checked after every 10
P-1 and to a 110-volt, 50 to 400 Hertz, ac
test operations since a de-
power source.
fective heater or thermo-
d. Connect heater cable to junction box
couple in a heater probe
and to tester at HEATER CABLE connector.
can indicate errors greater
e. Attach one heater probe to junction
than 10 Celsius (50
box.
Fahrenheit) when check-
f. Turn TEMP. REGULATOR knob to
ing an engine thermo-
maximum and observe galvanometers for deflec-
couple harness.
tion which indicates heater probe is operating and
Change 2
