Engine

Symptom Problem Solution

Engine Will Not Start or Starts Hard

Fuel tank empty

Check fuel quantity.

Fuel tank vent plugged

Remove cap and listen for sound of air entering tank. Replace cap.

No electrical power to injection pump solenoid (S.N. -882699)

Turn key switch to ON. Must hear click at injection pump. Replace fuse. Repair wiring.

No electrical power to ECU (S.N. 882700-)

Turn key switch to ON. Replace fuse. Repair wiring.

Water in fuel or water frozen in fuel line

Drain water from fuel tank. Inspect fuel filter for water. Change filter.

Debris in fuel or wrong grade of fuel

Check fuel tank outlet strainer for type of fuel debris. Check bottom of fuel tank for debris. Clean tank. Add fuel. Check grade of fuel. Add correct fuel.

Air leak on suction side of fuel system

Check for bubbles in fuel filter and tighten connections. Inspect fuel lines for damage.

Fuel transfer pump diaphragm leaking

Check engine oil for fuel dilution. See your authorized dealer.

Slow cranking speed

Check battery and connections. Incorrect engine oil (cold weather).

Restricted air filter

Check air filter restriction indicator and air filters. Clean.

Stuck injection pump metering valve (S.N. -882699)

Tap injection pump housing (lightly). If engine now starts, replace metering valve. See your authorized dealer.

Faulty electric shutoff (S.N. -882699)

Test shutoff solenoid. See your authorized dealer.

ECU fuse (S.N. 882700-)

Replace fuse.

TX,100,BG600 -19-28FEB07-1/4


Symptom Problem Solution

Engine Surges or Stalls Frequently

Air in fuel

Inspect filter for evidence of air in fuel. Tighten connections and bleed fuel system.

Fuel tank vent plugged

Remove cap and listen for sound of air entering tank. Replace cap.

Debris in fuel or wrong grade of fuel

Check fuel tank outlet strainer for debris. Check bottom of fuel tank for debris. Clean tank. Add fuel. Check grade of fuel.

Water in fuel

Drain fuel tank and inspect filter element for water. Replace filters.

Fuel filter plugged

Replace filter.

Incorrect valve clearance

Check and adjust valve clearance. See your authorized dealer.

Engine Misses

Air in fuel

Check for evidence of air in filter. Tighten connections and bleed fuel system.

Debris in fuel or wrong grade of fuel

Check fuel tank for water. Check fuel tank strainer and fuel filter for debris. Clean. Check grade of fuel.

Incorrect valve clearance

Check and adjust valve clearance. See your authorized dealer.

Engine Does Not Develop Power

Fuel tank outlet strainer plugged

Check fuel tank for water or debris. Remove and clean.

Fuel filter plugged

Replace fuel filter.

Wrong grade of fuel

Drain and add correct fuel.

Air system restricted

Check air filter restriction and air filters. Clean.

Incorrect valve clearance

Adjust valve clearance.

TX,100,BG600 -19-28FEB07-2/4


Symptom Problem Solution

Engine Emits Excessive Black or Gray Exhaust Smoke

Restricted air filter

Check air filter restriction and air filters. Clean or replace.

Incorrect grade of fuel

Drain and add correct fuel.

Incorrect injection pump timing

See your authorized dealer.

Excessive fuel delivery

See your authorized dealer.

Injection nozzle(s)

See your authorized dealer.

Engine Emits Excessive Blue or White Smoke

Cranking speed too slow

Check batteries and connections.

Incorrect grade of fuel

Drain and add correct fuel.

Slow Acceleration

Wrong grade of fuel

Drain and add correct fuel.

Detonation (Excess Engine Knock)

Low engine oil level

Add oil.

Abnormal Engine Noise

Low or incorrect engine oil (too thin)

Add correct oil to proper level.

Engine oil diluted with fuel

Inspect engine oil. See your authorized dealer.

Excessive valve clearance

Adjust valve clearance. See your authorized dealer.

Low Oil Pressure (Oil Pressure Light On-Red "Stop" Flashing)

Low oil level

Add oil to proper level. Inspect engine oil.

Wrong viscosity oil/oil diluted with diesel fuel

Change oil and see your authorized dealer.

Engine Overheats (Engine Coolant Indicator Light On and Red "Stop" Flashing)

Low coolant level

Fill cooling system and check for leaks.

Low engine oil level

Add oil.

Engine overloaded, operating in wrong gear

Reduce load.

Improper fuel

Drain and add correct fuel.

Radiator cap

Replace cap.

TX,100,BG600 -19-28FEB07-3/4


Symptom Problem Solution

Excessive Fuel Consumption

Air system restricted

Check filter restriction indicator and air filters. Replace.

Leakage in fuel system

Inspect. Repair.

Incorrect grade of fuel

Refill with correct fuel.

Operator holding hydraulics over relief

Return control levers to neutral position.

Excessive Drag In Turbocharger Rotating Members

Bearing seizure or dirty or worn bearings caused by excessive temperature, unbalanced wheel, dirty oil, oil starvation, or insufficient lubrication.

Check for plugged air filters.

TX,100,BG600 -19-28FEB07-4/4