Henny Penny 500 Service Manual page 90

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D. Unscrew body from fryer.
E. Install a new solenoid, and then
reassembled in reverse order. Or
continue onto step 8 to remove
and replace the seals.
8. To replace the seals, do the following:
A. Remove the two adapter screws (22)
which attach the pipe adapter (21)
to the solenoid body (20).
B. Remove the disc spring (10), guide
(9), and seat (8).
C. Clean the valve body.
D. Wet O-ring (12) around seat with
water and insert O-ring assembly
(flat side first) in valve, through IN
side of body. Use a pencil eraser,
and press in Teflon seat until it
snaps into place. Be careful not to
mark or nick the seat.
NOTICE : The smallest nick can cause a
pressure leak. Replace all O-ring seals,
found in the parts kit, and reassemble
valve.