TM 10-4930-351-14
DIRECT SUPPORT MAINTENANCE
ADVANCED AVIATION FORWARD AREA REFUELING SYSTEM MODEL M100A1
REPAIR OF FUEL TRANSFER PUMP PN 8424 ROTARY VANE PUMP
INITIAL SET-UP:
Tools:
Materials/Parts Required:
Key, Socket Head Screw, 9/64"
Compound, Anti-Seize, Molybdenum Disulfide
(WP 0113 00, Item 3)
(WP 0116 00, Item 6)
Washer, Lock (WP 0117 00, Item 125)
REMOVAL
1.
Remove rotary shaft seal housing and components. Refer to WP 0094 00.
2.
Remove rotary vane pump housing. Refer to WP 0095 00.
3.
Remove the four socket head screws (1), lock washers (2) and flat washers (3) that secure the rotary vane pump to the
impeller housing (4). Discard lock washers (2).
REPAIR
1.
Lift off the vane pump clamp plate (5) and outer side plate (6), and inspect pump for physical damage (nicks, burrs,
scratches, etc.). Replace any component that has physical damage exceeding minor scratching.
2.
Observe length of vanes (7); each vane should be long enough to be easily retained in rotor (8) at farthest extension.
Replace vanes if excessively worn.
3.
Remove vane pump components (7, 8, 10 and 14) as required for inspection. Be careful to retrieve rotor key (9) when
removing rotor. Replace any component that has physical damage exceeding minor scratching.
4
7
11
13
12
10
8
9
14
6
5
3
2
1
0096 00-1
