172-65427MA-05 (JH7RH-P/JH7RHT-P) 29 Sep 2016
18
trap. The air vent valve on the top of this trap is to be operated only when air
binding has occurred. Follow the instructions in the earlier part of this section to
operate the air vent valve and release the air accumulated inside the trap. (The
air vent valve is to be open only for as long as is necessary to release the
accumulated air. If left open, it is extremely dangerous, so be sure to close tightly
after operation.)
Disassembly / Reassembly of Air Vent Valve
Air Vent
Valve Unit
Remove with a wrench
Consult the table of tightening torques
and tighten to the proper torque
Air Vent
Valve Gasket
Remove the gasket and clean the
sealing surface
Replace with a new gasket; coat surfaces
with anti-seize
Table of Tightening Torques
Part Name
Torque
Distance Across Flats
N
⋅
m
(lbf
∙ft)
mm
(in)
Air Vent Valve Body
JH7RH-V
100
(73)
24
(
15
/
16
)
JH7RHT-V
27
(1
1
/
16
)
(1 N
⋅
m
≈
10 kg
⋅
cm)
NOTE: -Coat all threaded portions with anti-seize.
-If drawings or other special documentation were supplied for the product,
any torque given there takes precedence over values shown here.
