3
WARNING
Before removing a regulator from the system for
service, you must
•
depressurize system
•
purge the system to remove any residual
system media left in the regulator
.
Disassembly
1. Place the regulator in a vise.
2. Turn the
handle
counterclockwise until it stops.
Note: If using an antitamper nut, remove it from the body.
Then turn the stem counter clockwise until it stops.
3.
Loosen the
body cap
.
4.
Remove the
cap assembly
and handle as one piece and
set aside for later use.
Note: The
range spring
may fall from the cap assembly
when lifted. Set aside for later use.
5.
Turn the
body
upside down. Remove the
piston assembly
by tapping the body gently on a soft surface.
6. Remove and discard the
piston seal
from the
piston
.
7. Loosen and remove the
seat assembly
. Discard the
seat
,
seat retainer
and
retainer seal
.
NOTICE
Be careful not to scratch the inside of the body.
Leakage could result.
Cap assembly
Range spring
Handle
Body cap
LP
Piston assembly
Body
Piston seal
Piston
Body
Retainer seal
Seat retainer
Seat