TM   5-4220-231-14&P
(3) 
Remove 
snubber 
(4)  from   stem    on   gage
by   turning 
snubber 
(4)   counterclockwise.
Remove, 
cut,   and   discard 
O-ring    (3),  which
is   between 
gage 
stem 
and    snubber.
3,4
(4)
Remove 
mounting 
bracket 
(2)  from   rear   of
panel 
by   positioning 
a   wrench 
on   the    hex
nuts    (8)   and    turning 
counterclockwise.
(5)
Remove 
gage 
(1) from   the   front   of  the   CRS
panel.
8
2
8
b.     Replace
(1) 
Ensure 
gage 
to   be   installed 
is  for   correct
pressure 
range.
3-39