TM 10-4930-351-14
DIRECT SUPPORT MAINTENANCE
ADVANCED AVIATION FORWARD AREA REFUELING SYSTEM MODEL M100A1
REPAIR FUEL TRANSFER PUMP PN 60975-5 ROTARY VANE PUMP
INITIAL SET-UP:
Materials/Parts Required:
Tools:
Compound, Anti-Seize, Molybdenum Disulfide
Torque Wrench, 0-300 in. lb.
(WP 0116 00, Item 6)
(WP 0113 00, Item 2)
Petrolatum (WP 0116 00, Item 20)
Wrench, Combination, 1/2'
O-Ring (WP 0117, Item 73)
(WP 0113 00, Item 3)
O-Ring (WP 0117, Item 76)
Wrench, Combination, 9/16"
O-Ring (WP 0117, Item 77)
(WP 0113 00, Item 3)
Key, Socket Head Screw, 9/64"
(WP 0113 00, Item 3)
Equipment Condition:
Key, Socket Head Screw, 3/16"
Fuel transfer pump defueled
(WP 0113 00, Item 3)
Fuel transfer pump removed from pump-engine
Wrench, Strap
module (WP 0034 00)
(WP 0113 00, Item 3)
Quick disconnect fitting removed from pump
DISASSEMBLY
1.
Mark the bearing housing assembly (1) and diffuser case (2) for reassembly. Remove the eight hex head screws (3) and
flat washers (4) that secure the bearing housing assembly (1) to the diffuser case (2). Pull the bearing housing assembly
(1) from the diffuser case (2).
2.
Remove and discard O-rings (5) and (6).
3.
Install flexible coupling adapter and key on pump shaft (7).
4.
Position strap wrench around flexible coupling adapter as near to set screw as possible to hold pump shaft (7). Loosen
shaft nut (8).
5.
Remove the flexible coupling adapter and key from pump shaft (7).
6.
Remove shaft nut (8), flat washer (9), and impeller (10).
7.
Remove pin (11) from drive sleeve (12).
8.
Remove the six socket head screws (13) and flat washers (14) that secure the inlet port plate (15).
9.
Remove the drive sleeve (12) and rotor drive pin (16).
10. Remove the rotary vane pump (17) as an assembly.
11. The inlet port plate (15), discharge port plate (18) and cam ring (19) are held together by pin (20). Rotate inlet port plate
(15) around pin (20) to expose rotor vanes (21) and rotor (22). Remove and discard rotor vanes (21) from rotor (22).
12. Examine all parts of the rotary vane pump (17) for damage. Replace if required.
13. Remove and discard O-ring (23) from bearing housing assembly (1).
0092 00-1
