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32
Lib
er
at
ors
Repair Procedures
XII
RP18 – Vent Valve RR (Figure 19)
a Remove shroud (See RP2).
b. Remove vent valve (Item 41) by unthreading valve nut while
supporting the valve to prevent it from turning.
c. Replace vent valve (Item 41). Tighten vent valve nut to 60–67
N-m (45–50 ft-lbs). Support the valve to prevent it from turn-
ing when tightening valve.
d. Replace shroud (See RP2).
RP19 – Twist Lock QDV Lip Seal RR (Figure 20)
a. Insert lip seal tool into Liberator female QDV (Item 15). Engage
tabs on tool with slots in retaining ring (Item 87).
b. Use wrench on hex end of tool. Push in on tool while turn-
ing to engage tabs on tool with slots in retaining ring (Item
87). Turn tool clockwise to loosen retaining ring (Item 87).
Remove the ring.
c. Remove lip seal (Item 88) from QDV (Item 15). Jeweler’s
screwdriver may be used if necessary, but seating surfaces
must not be damaged.
d. Apply thin film of fluorolubricant to new lip seal (Item 88).
e. Place retaining ring (Item 87) and new lip seal (Item 88) on
tool.
f. Install retaining ring (Item 87) in QDV body (Item15) by
turning tool counter-clockwise while pushing in on tool.
Torque retaining ring (Item 87) to 225–280 N-cm (20-25 in-
lbs).
RP17 – Warming and Breathing Coil Assembly RR
(Figure 19)
a. Remove shroud (See RP2).
b. Disconnect breathing coil (Item 49) by unscrewing the tube
nuts (Item 34) at the FCV (Item 24) and at the economizer
(Item 35).
c. Disconnect warming coil (Item 45) by unscrewing the tube
nuts (Item 34) at the economizer (Item 35) and at the mani-
fold.
d. Disconnect coils by snipping zip-ties (Item B) that hold them
to the top of the Liberator.
e. Remove warming and breathing coil assemblies by slightly
bending them outwards and pulling them up and over the top
of the Liberator.
f. To replace coil assembly, reverse above procedure.
WARNING
:
Liberator must be empty and vented before starting
procedure.
FIGURE 19:
Coil and Vent Assemblies
NOTE: Valve must be properly aligned to allow access to handle
through hole in shroud.
NOTE: Ensure static seal (Item 67) is not damaged and is in its
proper place.
NOTE: Lip seal may be changed on a full Liberator (Side Fill
Only).
Liberators Technical Service Manual • PN 13350704 Rev
K