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TM 10-4320-351-14
5.4.2 Replace Fuel Transfer Pump Shaft Seal Assemble/O-Rinks. (Refer to figure 5-4.)
This task consists of:
a.
Removal
b.
Installation
INITIAL SET-UP:
Tools:
General Safety Requirements:
Wrench, Strap
WARNING
(Appendix B, Section III, Item 3)
Key, Socket Head Screw, 3/16"
Fuels are toxic and flammable. Do not get on
(Appendix B, Section III, Item 3)
person or clothing. Work in well ventilated area.
Wrench, Combination, 1-1/16"
Do not smoke. Ensure equipment is well grounded.
(Appendix B, Section III, Item 3)
Adapter, Crow Foot
Materials/Parts Required:
(Appendix B, Section III, Item 3)
Safety Wire (Appendix F, Section II, Item 5)
Screwdriver, Flat Blade, 1/4" x 4"
Petrolatum (Appendix F, Section II, Item 10)
(Appendix B, Section III, Item 3)
Anti-Seize Compound, Molybdenum Disulfide
Wire Twister, Plier
(Appendix F, Section II, Item 3)
(Appendix B, Section III, Item 3)
Plier, Diagonal Cutting
Equipment Condition:
(Appendix B, Section III, Item 3)
Fuel transfer pump removed from pump-engine
Wrench, Torque, 0-150 ft lb
module (para.4.12.1)
(Appendix B, Section III, Item 3)
Personnel Required:
Two, any MOS
a.
Removal.
(1)
Lay fuel transfer pump on inlet side.
(2)
Remove safety wire from shaft nut cover screws (1).
(3)
Remove the four screws (1) and flat washers (2) that secure the shaft nut cover (3) to the seal
housing (4). Remove the cover.
(4)
Install splined flexible coupling adapter (5) on pump input shaft in accordance with paragraph 4.12.1.
NOTE
Removal of the fuel transfer pump shaft nut will require two persons. The nut is
torqued to 100-110 ft lb (135-149 Nm) and may require one person to hold the strap
wrench and one person to turn the nut.
(5)
Position strap wrench around splined flexible coupling adapter (5) as near to set screw as possible to
hold pump shaft. Loosen shaft nut (6) as far as possible without jamming the nut against the splined
flexible coupling adapter.
(6)
Remove the flexible coupling adapter (5).
5-9
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