TM 55-4920-394-13&P
holes in both side of hanger housing and into hanger trunnion bearings (30).
at. Insert two socket head cap screws (27) through hanger (26) and into wear plate (34). Tighten screws
securely and secure with lockwire (28).
au. Secure each trunnion pin (23) to hanger housing (91) with six socket head cap screws (24). Tighten
screws securely.
av. Place indicator plate (19) in position on hanger housing (91) and secure plate with three round head
machine screws (20).
aw. Place volume indicator (17) on shaft (21) and insert drivelock pin (18) through indicator and shaft.
ax. Inside hanger housing (91), slip indicator link (15) over indicator shaft (21) and then over roll pin (31) in
hanger.
ay. Position link (15) so that it engages hanger roll pin (31)at full volume, then insert socket head cap screw
(16) and tighten securely.
az. Insert two needle bearings (14) into slot in roller clevis (11) and secure with two dowel pins (13).
ba. Install clevis (11) on hanger (26) with open end (bearings) toward exterior. Secure with four socket
head cap screws (12).
bb. Place gasket (7) over pressure compensator assembly minimum volume control section (5) and insert
assembly up through bottom hole in hanger housing (91). Secure with four socket head cap screws (6).
bc. Place gasket (4) on machine mounting surface on top of hanger housing (91) and position pressure
compensator control assembly handwheel section (2) on hanger housing. Secure with four socket head cap
screws (3).
bd. Reconnect hose assembly (1) between pressure compensator assembly (2) and port block (59).
be. Lightly grease end cap gasket (10) and place gasket in position on hanger housing (91).
bf. Place end cap (8) over gasket and secure end cap to hanger housing with 20 socket head cap screws
(9). Tighten screws evenly.
bg. Install plugs (85) and O Ring (86). Tighten plugs securely.
4-29. If the compensator is hunting, turn the control knob slowly through its entire control range several times.
If this procedure does not eliminate the malfunction, remove and repair compensator (Refer to para. 4-30).
4-10
