ENGINE HARD TO START (cont) - TM-10-3930-638-24-P0514

TM 10-3930-638-24&P

3-4. FUEL SYSTEM TROUBLESHOOTING (cont)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

3. ENGINE HARD TO START (cont)

Step 7. (cont)

b. If governor linkage adjustment is okay, proceed to step 8.

Step 8. Check governor linkage hook for proper adjustment (para 4-3b notify general support maintenance).

a. If governor hook is not properly adjusted, adjust (para 4-3b).

b. If governor hook is properly adjusted, proceed to step 9.

Step 9. Disassemble fuel injection pump and check governor parts and linkage for wear, sticking condition, or

binding (para 4-3b; notify-general support maintenance).

a. If governor parts and linkage are worn, sticking, or binding replace (para 4-3b).

b. If governor parts and linkage are okay, proceed to step 10.

Step 10. Check fuel injection pump maximum fuel setting on test set-up (para 4-3b; notify genera support

maintenance).

a. If fuel injection pump maximum fuel setting is not correct. adjust (para 4-3b).

b. If fuel injection pump maximum fuel setting is okay, proceed to step 11.

Step 11. Remove delivery valve and inspect for dirt or improper installation (para 4-3b; notify general

support maintenance).

a. If delivery valve is dirty, clean or replace it; if improperly installed, install correctly (para 4-3b).

b. If delivery valve is clean and properly installed, proceed to step 12.

Step 12. Remove cam, shoes, and rollers and inspect for wear (para 4-3b; notify general support maintenance).

a. If cam, shoes, or rollers are worn, replace (para 4-3b).

b. If cam, shoes, and rollers are okay, proceed to step 13.

Step 13. Remove plungers and inspect for burrs, corrosion or varnishes (para 4-3b; notify general support

maintenance).

a. If plungers are burred, corroded, or varnish accumulation is present, replace (para 4-3b).

b. If plungers are okay, proceed to step 14.

Step 14. Check rotor and hydraulic head assembly (in plunger area) for wear (para 4-3b; notify general

support maintenance).

a. If rotor and hydraulic head are worn in plunger area, replace (para 4-3b).

b. If rotor and hydraulic head are okay proceed to step 15.

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