172-65173MA-04 (J3B/JF3B) 4 Oct 2021
11
Disassembly/Reassemby of the Lock Release Valve
Part
During Disassembly
During Reassembly
Cap Nut
Remove with a wrench Consult the table of tightening torques and tighten to
the proper torque
Cap Nut
Gasket
Remove the gasket and
clean sealing surfaces
Replace with a new gasket only if misshapen or
damaged
Valve
Holder
Remove with a wrench Consult the table of tightening torques and tighten to
the proper torque
Lock Nut
Remove with a wrench Consult the table of tightening torques and tighten to
the proper torque
Valve Push
Rod
Remove with a flat-
head screw driver
Screw into the valve holder; be careful not to screw in
far enough to prevent the air vent valve from closing
Disassembly/Reassembly of Components Inside the Body
Part
During Disassembly
During Reassembly
Figure C
Figure D
Float Cover/
Screen
Lift straight up and out
while gently rocking
Align the arrows on the float
cover/screen and body and
insert the tab on the bottom of
the float cover/screen into the
slot in the body; make sure the
top of the screen does not stick
up out of the body (Fig. C)
Float
Remove, being careful
not to scratch the
polished surface
Insert, being careful not to
scratch the polished surface
Orifice
Holder Plug
Remove with a socket
wrench
Consult the table of tightening
torques and tighten to the proper
torque
Orifice Plug
Gasket
Remove the gasket and
clean sealing surfaces
Replace with a new gasket; coat
surfaces with anti-seize
Orifice
Remove with a socket
wrench
Insert with the proper orientation
(Fig. D): insert from the outside,
pushing in until it contacts the
stopper inside; if the condensate
discharge hole is pointing
sideways, extended use may
result in a hole in the body
Orifice
O-Ring
Remove, being careful
not to damage the
rubber orifice O-ring
Replace with a new o-ring; coat
with heat-resistant grease
Table of Tightening Torques
Part Name
Torque
Distance Across Flats
N
m
(lbf·ft)
mm
(in)
Orifice Holder Plug
50
(37)
24
(
15
/
16
)
Drain Plug (option)
50
(37)
21
(
13
/
16
)
Air Vent Valve Seat
30
(22)
17
(
21
/
32
)
Cover Bolt
50
(37)
17
(
21
/
32
)
Cap Nut
15
(11)
17
(
21
/
32
)
Valve Holder
20
(15)
14
(
9
/
16
)
Lock Nut
10
(7)
8
(
5
/
16
)
NOTE: - Coat all threaded portions with anti-seize.
(1 N
m
10 kg
cm)
- If drawings or other special documentation were supplied for the product, any torque
given there takes precedence over values shown here.
Arrow
Tab
Flat surface
facing up
Condensate
discharge hole
