TM 55-1520-240-23-4
5-46
INSTALL HORIZONTAL HINGE PIN, PITCH-VARYING HOUSING, AND PIN
BEARINGS (Continued)
5-46
INSTALL PITCH-VARYING SHAFT AND HORIZONTAL
HINGE PIN
6.
Pack lips of seals (9). Use grease (E190).
NOTE
Only shotpeened hinge pins (With
41 ) shall be installed. Look for the
letters SP following the serial number
or for part number 114R2196-6 or
114R2197-6.
7.
Coat outside of horizontal hinge pin (10). Use oil
(E254/E254.1). Wear gloves (E186).
8.
Position pitch-varying shaft (11) between lugs
(1 and 2). Insert chamfered end of pin (10) into
trailing lug (1).
9.
Align matchmarks on pin (10) with lugs (1 and 2).
Push pin into lugs by hand. Wear gloves (E186).
NOTE
Horizontal hinge pin bolt (12) P/N
114R2201-1 must be replaced with
a new one (P/N 114R2201-1 or
114R2201-2) anytime the horizontal
hinge pin is moved for unscheduled
maintenance.
10.
Install shoulder bolt (12), washer (13), and
special nut (14). Torque bolt to 800-900
inch-pounds.
NOTE
Seal shoulder bolt and washer with
sealant (E470). This is to prevent
moisture from entering horizontal
hinge pin.
11.
Lockwire bolt (12) to pitch-varying tank (15).
5-200
Change 2
