TM 5-3805-248-23-1
ENGINE, EXHAUST AND COOLING SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
0009 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8.
Engine Speed Unstable or
Surges at All Speeds.
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.
Disconnect fuel lines (WP 0030 00
1. Clean lines with compressed air or
and WP 0035 00) and check for
sturdy wire and reconnect (WP 0030 00
obstruction.
and WP 0035 00).
2. Replace fuel filters (WP 0037 00 and
3. Go to Test 2.
2.
Inspect fuel lines and connections for
1. If a 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 3.
3.
Inspect governor linkage for proper
If linkage does not operate properly or is
operation and adjustment.
not correctly adjusted, make necessary
adjustment (WP 0280 00).
