Free Breathing Valve Maintenance - GE 9100c Technical Reference Manual

9100c

6.3 Free breathing valve maintenance

To replace the flapper
valve
6-6
M1207027
Reproduced from the electronic master in MATRIX
A
Refer to Section 9.16 to access the Pneumatic Vent Engine.
1. Unscrew the valve seat (A) from the vent engine manifold.
2. Inspect the new flapper (B) and valve seat for nicks, debris and
cleaniness.
3. If necessary, clean the new flapper valve with alcohol.
4. Pull the tail (C) of the new free breathing valve flapper through
the center of the valve sear until it locks in place.
5. Trim the tail flush with outside surface of the valve seat (refer to
the removed flapper).
6. Scissor the tail, ensure the tail is not longer than 3 mm.
7. Reassemble the system.
8. Perform the Preoperative Checkout Procedure.
(refer to the 9100c User's Reference manual).
004 MANUAL−DOC, Technical Reference Manual, Technical Reference Manual for 9100c, English
B
C
M1207026