33
Lib
er
at
ors
Repair Procedures
XII
RP20 – Twist-Lock QDV RR (Figure 20)
a. Remove shroud (See RP2).
b. Loosen nut (Item C) by holding QDV body (Item 15) with a
wrench and turning nut (Item C) clockwise.
c. Remove QDV by pulling QDV body (Item 15) off and then
pulling the hex coupler (Item 89) and O-ring (Item 16) out of
the fill tube.
d. Apply thin film of fluorolubricant to O-ring (Item 16).
e. Reattach QDV by matching alignment marks on valve body
and fill tube.
f. Torque nut (Item C) to 60–67 N-m (45-50 ft-lbs) while hold-
ing valve body (Item 15).
g. Replace shroud (See RP2).
RP21 – Push-on QDV Assembly RR (Figure 21)
a. Remove shroud (See RP2).
b. Remove pop-off assembly (See RP22).
c. Remove pop-off sleeve (Item 21) from QDV (Item 11).
d. Remove the top fill QDV by turning the QDV nut (Item D)
clockwise while holding the QDV (Item 11) with a wrench.
e. Pull the QDV straight up and off of the fill tube (Item D). Use
rubber mallet to lightly knock upward if required. If replacing
entire QDV (recommended) skip to step h.
f. Remove and replace the static seal (Item 67) if needed.
FIGURE 21:
Top Fill (Push-on) QDV Assembly
WARNING:
Liberator must be empty and vented before starting
procedure.
WARNING:
Liberator must be empty and vented before starting
this procedure.
g. Push QDV back on to fill tube (Item D) and torque nut to 60–67
N-m (45-50 ft-lbs) while holding valve body to fasten QDV in
place.
h. Place pop-off sleeve over QDV.
i. Reassemble pop-off assembly to unit, ensuring spring-to-pin en-
gagement into pop-off sleeve groove.
j. Replace shroud (See RP2).
RP22 – Push-on Portable Pop-Off Assembly RR (Figure 21)
a. Remove shroud (See RP2).
b. Remove two screws (Item 37) and washers (Item 38) from
pop-off assembly (Item 27) and remove pop-off assembly.
c. Detach spring from bracket (Item 39) and from pop-off as-
sembly.
d. Disassemble as necessary to replace pop-off assembly parts.
e. Reattach pop-off assembly to unit, being sure the pins at the bot-
tom of the pop-off lever slide into the groove at the base of the
pop-off sleeve.
f. Reverse the remainder of the procedure to reinstall.
FIGURE 20:
Side Fill (Twist Lock) QDV Assembly
NOTE: All Internal Components of the QDV Must Remain
Assembled During this Process.
Liberators Technical Service Manual • PN 13350704 Rev
K