Meggitt Fuelling Products
Maintenance Manual (MMF251)
Hydrant Coupler – F251 Series
USE OR DISCLOSURE OF DATA ON THIS PAGE IS SUBJECT TO THE RESTRICTIONS ON THE TITLE PAGE OF THIS DOCUMENT
28 Feb 2014
Revision 4.0
6
DISASSEMBLY
1. Overhaul Parts Kits
Refer to the
ILLUSTRATED PARTS LIST
section for the Overhaul Parts Kit information.
2. Disassemble the Hydrant Coupler
A. (Mods B – K and M) Swivel Assembly Removal
(See
IPL Figure 2
)
Remove the Swivel Assembly from the Coupler Elbow as follows:
1. (Mod M) Remove and discard seal (1) from its groove on the outlet adapter attached to the
Swivel body.
2. Remove safety rings (2) from its groove on locking ring (5).
3. Loosen screws (3) just enough to allow the locking ring (5) to slide back to safety ring (2).
4. The swivel assembly can now be pulled off of the elbow (14).
Note:
The ring (7) can be replaced without further disassembly.
B. (Mods B – K and M) Disassemble Swivel Assembly
(See
IPL Figure 2
)
1. Remove safety rings (2) from its groove on locking ring (5). Slide safety rings (2) and locking
ring (5) from body (9).
2. Remove bearing balls (8) and ring (7).
C. (Mods B – K and M) Elbow Removal
(See
IPL Figure 2
)
1. Remove screws (10), washers (11), nuts (12), elbow (14) and O-ring (13) from the Hydrant
Coupler Assembly (see IPL Figure 1). Discard O-ring (13).
