TM 5-3805-248-23-1
ENGINE, EXHAUST AND COOLING SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
0009 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7.
Poor Acceleration and/or
Lack of Power.
WARNING
DO NOT perform fuel system checks, inspections or maintenance while smok-
ing or near fire, flames or sparks. Fuel may ignite, causing damage to machine
and injury or death to personnel.
Hot oil or metal parts can cause severe burns. Wear insulated gloves, long
sleeves and eye protection when working with heated parts. Failure to follow
this warning may cause injury.
Compressed air used for cleaning or drying purposes, or for clearing restric-
tions, should never exceed 30 psi (207 kPa). Use protective equipment and exer-
cise caution to avoid injury to personnel.
1.
Check with operator to determine if
1. If incorrect fuel was put in, perform
fuel tank was filled with correct fuel.
following tasks:
a. Drain fuel system (WP 0034 00).
b. Replace fuel filters (WP 0037 00 and
c. Fill fuel tank with correct fuel (TM
5-3805-248-10).
2. If correct fuel was used, go to Test 2.
2.
Check air cleaner for air restriction
1. Clean air inlet and service air cleaner
filter elements (WP 0031 00).
2. If no restriction was found, go to Test 3.
3.
Inspect for full governor linkage
1. Adjust governor linkage travel (WP
travel.
0280 00).
2. If travel is OK, go to Test 3.
4.
Disconnect fuel lines (WP 0030 00
1. Clean lines with compressed air and
and WP 0035 00) and check for
reconnect (WP 0030 00 and WP 0035
obstruction.
2. Replace fuel filters (WP 0037 00 and
3. Go to Test 5.
5.
Inspect fuel lines and connections for
1. If leak is at a connection, tighten.
leaks, obstructions and damage.
2. If a leak results from cracked, split or
damaged tubing, replace tubing (WP
0030 00 and WP 0035 00).
3. If lines are OK, go to Test 6.
