TM 55-1520-240-23-6
7-14
PREPARE FLIGHT CONTROL HYDRAULIC SYSTEM AFTER FLUSHING (RETURN
LINES)
(Continued)
7-14
NO. 1 AND NO. 2 POWER TRANSFER UNITS
NOTE
Procedure is same at No. 1 and No.
2 power transfer units. No. 2 power
transfer units shown here.
10.
Remove plugs from suction lines (19) and caps
from suction parts (20) of power transfer units
(21).
11.
Loosen units (22). Connect suction lines (19) to
parts (20). Tighten nuts (22).
INSPECT
AFT SERVOCYLINDERS
NOTE
Procedure is same at both pivoting
and swiveling servocylinders. Pivoting
servocylinder shown here.
12.
Remove plugs from return hoses (23 and 24) at
both aft servocylinders (25).
13.
Remove four caps from tee fittings (26 and 27)
on both servocylinders (25).
14.
Connect return hoses (23) to tees (26) and return
hoses (24) to tees (27) on both servocylinders
(25).
INSPECT
7-89