TM 55-4920-428-13
g. Stow the extensible link test covers,
force gage, SUPPLY hose and RETURN hose in the cover of
the hydraulic unit. (See fig. 1-4.)
h. Plug the CASE VENT ADAPTER. Stow it on the left side.
i. Install protective covers on the ilca manifold check valves and the extensible link manifold ports.
j. Wipe spilled fluid from the unit.
k. Close the door over cables and manuals in the cover of the electrical unit.
l. Position the covers on thd electrical and hydraulic unit. Secure the covers.
SECTION III PREVENTIVE MAINTENANCE CHECKS AND SERVICE
2 - 1 3 . P r e v e n t i v e M a i n t e n a n c e
.
Preventive maintenance is the systematic care, servicing, and inspection of equipment to prevent the oc-
currence of trouble, to reduce out-of-service time, and to ensure that the equipment is serviceable.
a. Systematic Care. The procedures in para 2-14 cover routine systematic care and cleaning essential
to proper upkeep and operation of the test set.
b. Preventive Maintenance Checks and Services. The preventive maintenance checks and services
chart (para 2-14) outlines functions to be performed at specific intervals. These checks and services are
performed to maintain the test set in serviceable condition; that is, in good general (physical) condition
and in good operating condition. Certain checks are performed before, during, and after operation of
the test set.
(1) Before you operate. Perform your before (B) checks and services.
(2) While you operate. Keep in mind the WARNINGS in the self test, fill and bleed, and high
pressure self test procedures (para 2-7 through 2-9). Perform your during (D) checks. If the test set fails
to operate, troubleshoot using the specified test equipment and the procedures in Chapters 4 and 5.
Report deficiencies using the proper forms. (Refer to TM 38-750.)
(3) After you operate. Perform your after (A) checks.
2-14. Operator Preventive Maintenance Checks and Services Chart.
Dry cleaning solvent is combustible and toxic. It can irritate skin and
cause burns. Use only with adequate ventilation, away from open
flame. In case of contact, immediately flush skin or eyes with water for
at least 15 minutes. Get medical attention for eyes.
NOTE
Within designated interval, these checks are to be performed in the
order listed.
B-Before
D-During
A-After
2-21
