TM 5-2420-232-10
0010
ENGINE CRANKS AT NORMAL SPEED BUT WILL NOT START CONTINUED
Step 3. Check for contaminates in the pre-filter by opening the drain tap.
If contaminated, continue to drain until fuel runs clean (WP 0018).
Step 4. Check for air trapped in the fuel lines.
Prime the system using the hand prime pump fitted to the fuel pre-filter (WP 0018). Slowly operate the pump until
resistance is felt. (Any remaining air will be bled from the system during cranking.)
Step 5. If problem still exists, notify Field Maintenance.
ENGINE CRANKS SLOWLY BUT WILL NOT START
Step 1. Check if the battery cables are loose, broken, or corroded.
If loose, broken, or corroded, notify Field Maintenance.
Step 2. Carry out slave start procedure (WP 0006).
If problem still exists, notify Field Maintenance.
ENGINE SMOKES EXCESSIVELY AFTER NORMAL WARMUP
Step 1. Check if the air filter indicator light is ON.
If indicator light is ON, contact Field Maintenance.
Step 2. Check for wrong grade of fuel.
Have Field Maintenance check the grade of fuel.
Step 3. If problem still exists, notify Field Maintenance.
ENGINE OVERHEATS DURING NORMAL OPERATION
Step 1. Check for low coolant in reservoir.
When the engine is hot, remove the reservoir cap slowly to relieve pressure. Wear gloves, eye
protection, and protective clothing. Failure to follow this warning could result in injury to
personnel.
Top off the coolant level (WP 0017).
Step 2. Check for debris blocking the air flow through the radiator.
CAUTION
Do not use a screwdriver or any other sharp instrument to remove debris from the radiator. To do so
could result in damage to equipment.
Remove any debris from grille and radiator (WP 0019). If cooling fins are plugged, notify Field Maintenance.
Step 3. Check for low engine oil level.
If low, fill as specified in WP 0017.
Step 4. Check for restricted exhaust system, such as bent or crushed exhaust pipes.
If exhaust pipes are damaged, notify Field Maintenance.
Step 5. If problem still exists, notify Field Maintenance.
ENGINE OIL TEMPERATURE IS TOO HIGH
Step 1. Check engine oil level.
If low, fill as specified in WP 0017.
Step 2. If problem still exists, notify Field Maintenance.
