Meggitt Fuelling Products
Maintenance Manual (MMF145)
Pressure Fuelling Nozzle
–
F145 Series
USE OR DISCLOSURE OF DATA ON THIS PAGE IS SUBJECT TO THE RESTRICTIONS ON THE TITLE PAGE OF THIS DOCUMENT
05 Jan 2015
Revision 6.4
24
REPAIR
1.
General
There are limited repairable components in this nozzle. In the event of failure or damage exceeding the
scope of this section, the nozzle shall be shipped back to Meggitt (North Hollywood), Inc.
2.
Repair Procedures
A.
Nose Seal Seat Replacement
(see
IPL Figure 1,
2)
DO NOT OVER TIGHTEN THE CLAMPS ON THE NOZZLE BODY AS
IT MAY BECOME DEFORMED OR CRACKED.
1. Clamp nozzle body (1, 1A) in place to ease nose seal replacement.
2. Use tool P/N (T-90466) to open nozzle by pressing down on lock plate (3) and turning the tool
to rotate the 3 slot ring (32) or 6 slot ring (33) in the open position.
3. Rotate the cam handle (38) to place the nozzle in the OPEN position.
4. Remove cotter pin (11) and unscrew poppet assembly (20). Discard cotter pin (11).
5. Remove nose seal (2), O-ring (4) and spring (21).
6. Thoroughly clean and inspect the nose seal (2) sealing area. This area should be free of any
irregularities that would cause leakage.
7. Apply petroleum jelly to new O-ring (4) and install onto the nose seal (2), being careful not to
roll the O-ring.
8. Install spring (21)
–
direction optional. Make sure spring is seated correctly in 3 slot ring (32)
or 6 slot ring (33).
9. Install the nose seal (2) and O-ring (4) assembly into the body (1, 1A).
10. Screw the poppet (20) onto the poppet shaft (12) until it bottoms out.