TM 5-3805-254-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
16. ENGINE LACKS POWER.
Step 1.
Check AIR CLEANER VACUUM gate reading (TM 5-3805-254-10). If in red zone, remove air cleaner
element (1) (page 2-452) and check for clogged or damaged condition.
a.
If air cleaner element (1) is clogged or damaged, clean or replace (page 2-452).
b.
If air cleaner element (1) is not clogged or damaged, go to step 2.
Step 2.
Check muffler (2) or exhaust pipes (3) for clogged or damaged condition.
a.
If muffler (2) or exhaust pipes (3) are clogged or damaged, clean or replace (page 2-604 or 2-590).
b.
If muffler (2) or exhaust pipes (3) are not clogged or damaged, go to step 3.
Step 3.
Check fuel tanks (4) for water in diesel fuel.
a.
If water is present, drain fuel system and refill (page 2-514 and 2-544).
b.
If water is not present, go to step 4.
Step 4.
Check fuel suction lines from fuel tanks (4) to fuel pump (5) for air leaks.
a.
If fuel suction lines are leaking, notify Direct Support Maintenance.
b.
If fuel sunction lines are not leaking, go to step 5.
Step 5.
Check fuel tanks (4) and all fuel delivery lines to cylinder head (6) for bent or leaking condition.
a.
If fuel tanks (4) or fuel delivery lines are bent or leaking, notify Direct Support Maintenance.
b.
If fuel tanks (4) and fuel delivery lines are not leaking, go to step 6.
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