Quantcast c.   Inspection - TM-9-2815-259-24_75

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ARMY TM 9-2815-259-24 AIR FORCE TO 38G1-125-2 MARINE CORPS 09249A/09246A-24 3-45 __________ WARNING Escaping diesel or JP fuel under pressure can have sufficient force to penetrate skin.  Before disconnecting lines, be sure to relieve pressure.   Failure to comply could result in serious injury or death. CAUTION Fuel lines are fragile and can become twisted and damaged during maintenance.  Always use one wrench to hold one fitting stationary while the other fitting is loosened or tightened.  Failure to comply can cause damage to equipment. NOTE Catch fuel in suitable container. (2)     Disconnect fuel supply line, connected to fuel inlet (7, Figure 3-16). Slowly loosen fuel line (6, Figure 3-15) and allow fuel pressure to dissipate.  Remove fuel line. (3)     Remove capscrews (1, Figure 3-16), flat washers (2), fuel supply pump (3) and o-ring (4).   Discard o-ring. (4)     Inspect all removed sealing washers and fittings. If damaged, replace. (5)     Cover all openings to prevent entry of foreign material. c.   Inspection. (1)     Remove fuel supply pump, refer to step b. (2)     Inspect fuel supply pump (3, Figure 3-16) lever face (9) for wear.  Replace fuel supply pump if lever face is worn flat or concave. d.   Test, bench. (1)     Remove fuel supply pump, refer to step b. (2)     Perform vacuum/pressure test as follows: (a) Install vacuum/pressure gage to fuel inlet (7, Figure 3-16). (b)     Move primer lever (6) all the way downward.  Release lever and at the same time observe gage.    1 Gauge needle should read the same value each time primer lever is moved all the way downward and released.  Gauge needle should then slowly return to “0” each time.  Repeat several times.


 


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