Case TV370 Track Loader Troubleshooting

The Case TV370 compact track loader is powered by 207 cu.in (3.4L) FPT F5H FL463 vertical in-line 4-cylinder turbocharged diesel engine with a rated power of 74 hp (55 kW) at 2500 rpm. The Case TV370 is equipped with a two-speed transmission, vertical-lift loader boom, dozer-style undercarriage, and 17.7" (450 mm) rubber tracks with steel inserts. The hydraulic system has a pump with fluid flow rate of 24.2 gpm (91.5 lpm). The hydraulic pressure is 3050 psi (210 bar). The track loader has a rated operating capacity of 2590 lbs (1178 kg) and tipping load of 7400 lbs (3364 kg). The lift height is 131.6"" (3340 mm) to hinge pin, and dump height is 105.1" (2670 mm).

Engine Troubleshooting

Engine difficult to start or won't start

Air in the fuel lines - Bleed the fuel lines.
Fuel filter element clogging - Change filter element.
Clogged or defective injection nozzles - Clean or change injection nozzles.
Water in the fuel system - Change fuel and repair fuel system.
Valve clearance is out of adjustment - Correct valve clearance needs to be set.
Fuel injection pump is not operating properly - Rebuild or change fuel pump.

Engine starts but then stops

Plugged air cleaner - Install new air cleaner element.
Fuel filter plugged - Clean or change the filter.
Fuel injection pump has loose connections - Tighten the connections.
Dirty or defective injectors - Inspect fuel injectors and change as required.
Fuel injection pump is broken - Repair or install a new fuel pump.

Diesel shuts off while driving

Engine is cold - Warm up engine as required.
Fuel filter element is clogged - Replace the filter element.
Air in the fuel system - Air bleeding.
Defective injection nozzle - Check injection nozzles and replace if required.
Improper setting of fuel injection pump timing - Adjust fuel injection pump as required.

Engine stops at low idle speed

Incorrectly adjusted low idle speed - Correct the settings.
Fuel injection pump is not operating properly - Install a new pump or rebuild.
Clogged or defective injectors - Inspect fuel injectors and change as required.
Excessive valve clearance - Correct valve clearance needs to be set.

Low engine power

Air cleaner is dirty - Clean or change.
Faulty fuel injection nozzles - Clean or change injection nozzles.
Incorrect fuel injection pressure - Adjust pressure to proper level.
Improper valve clearance - Correct valve clearance needs to be set.
Low idle speed set incorrectly - Correct low idle settings.
Restricted fuel hoses or lines - Clean fuel hoses and lines.
Damaged cylinder-head gasket - Change cylinder head gasket.
Damaged or leaking piston rings - Replace the piston rings as required.

Engine is overheated

Lack of engine coolant - Add coolant fluid to cooling system and also check it for leaks.
Engine oil level is insufficient - Add oil to the engine crankcase.
Clogged radiator fins or damaged radiator cap - Change cap or clean radiator.
Fan belt is worn or faulty - Replace as required.
Engine overloaded - Reduce load on the engine.

Oil pressure is insufficient

Oil level is low - Checking oil level and add if necessary.
Engine oil filter is plugged - Clean or change engine oil filter.
Incorrect engine oil Use oil of correct viscosity.
Crankshaft bearing has excessive oil clearance - Replace bearings.
Oil pump is damaged - Replace as required.

Engine knocks or noises

Engine oil level is insufficient - Fill the crankcase with engine oil.
Engine is not preheated - Warm up to required temperature.
Improper fuel injection timing - Set it up as required.
Incorrectly set low idle speed - Correct the settings.
Defective fuel injectors - Inspect fuel injectors and change as required.
Connecting rod is defective or misaligned - Align or replace connecting rod.
Scored or worn pistons - Replace the pistons.

Drive System Troubleshooting

Drive system doesn't operate in one direction or either direction

Hydraulic fluid level low - Fill the system to proper hydraulic fluid level.
Undercarriage tracks are defective or jammed - Repair or remove jamming.
Defective or worn relief valve - Repair or change.
Clogged suction line or hydraulic filter - Change hydraulic filter or service suction line.
Hand or foot controls malfunction - Repair or replace.
Worn drive motor or pump - Repair or replace faulty component.

Machine is not moving straight or moving is jerky

Damaged or jammed undercarriage tracks - Remedy jamming or repair tracks.
Loose or worn tracks - Replace tracks or adjust track tension.
Undercarriage track frame is clogged with dirt, debris, or foreign objects - Remove debris or foreign objects and clean track frame.

Power is too low

Hydraulic oil filter is dirty - Replace hydraulic filter.
Opened or worn relief valve - Change or close relief valve.
Transmission components are worn or defective - Inspect and replace defective parts.
Input drive shaft failure - Repair or replace faulty drive shaft.
Air in hydraulic system - Bleed air from hydraulic system.

Overheated drive system

Insufficient hydraulic fluid - Add fluid as required.
Hydraulic fluid filter is clogged - Replace hydraulic filter.
Relief valve is worn or damaged - Change or repair defective relief valve.
Hydraulic motor or drive pump is defective - Change or repair faulty component.
Hydraulic oil cooler is dirty - Clean the cooling fins.
Drive system overloaded continuously - Reduce drive system load.

Drive system is excessively noisy

Oil viscosity is too heavy - Use oil of correct viscosity.
Air in the hydraulic system - Need to bleed air.
Drive pump or hydraulic motor malfunction - Inspect and replace as necessary.
Worn or damaged mechanical components of drive system - Check the components for defect or damage and change if necessary.

Hydraulics Troubleshooting

Hydraulic system overheated

Hydraulic pressure is incorrect - Correct setting is required.
Main relief valve is defective or unadjusted - Set up or change the relief valve.
Hydraulic fluid is dirty - Hydraulic fluid change required.
Lack of hydraulic fluid - Add fluid to the hydraulic system.
Defective hydraulic pump - Replace or repair pump if necessary.

Boom fails to lift or drop

Lift controls malfunction - Repair or change.
Defective hydraulic pump - Repair or replace pump if necessary.
Faulty hydraulic control valve - Repair or change hydraulic valve.
Hydraulic cylinder malfunction - Replace or repair boom cylinder.
Hydraulic fluid level low - Checking hydraulic fluid level and add if necessary.

Bucket does not function

Bucket tilt controls are damaged - Replace or repair.
Hydraulic pump not working - Repair or install new hydraulic pump.
Faulty hydraulic control valve - Repair or replace the valve.
Hydraulic bucket cylinder is defective - Repair or install a new cylinder.
Insufficient hydraulic oil - Fill the system to proper hydraulic oil level.

Bucket or lift arm is moving slowly

Worn hydraulic oil pump - Test pump flow rate and replace pump if required.
Hydraulic cylinder leaking - Cylinder seals need to be replaced.
Insufficient hydraulic oil - Check and refill the hydraulic oil.
Damaged or incorrect adjusted hydraulic control valve - Adjust correctly or repair.
Low hydraulic pressure - Adjust it correctly.

Lift arm or bucket jerks when working

Hydraulic system is leaking air - Bleed hydraulic system.
Dirty hydraulic oil filter element - Clean or replace the filter.
Hydraulic oil is contaminated - Hydraulic oil change required.
Cylinder tube or rod is scored - Change damaged component.

Hydraulic pump is noisy

Leaking hydraulic system or insufficient oil level - Repair hydraulic leaks or add oil as required.
Dirty hydraulic filter - Service or replace hydraulic filter.
Clogged suction line - Need to service the suction line.
Pump is sucking air - Remove air from hydraulics.
Pump components are faulty - Change or rebuild pump.

Electrical Troubleshooting

Battery cannot be charged

Corroded or loose cable connections - Tighten or service cable connections.
Battery terminal clamps are defective - Change terminal clamps.
Battery is worn - Use a new battery.
Belt is defective or loose - Adjust belt tension or install a new belt.

Starter motor cranks slow

Battery power is low - Charge the battery.
Battery is not holding charge - Service or change the battery.
Bad battery terminals or disconnected wiring - Connect wiring correctly or install new terminals.

Starter does not work

Battery is drained or worn - Recharge or change battery.
Battery wiring is disconnected or improperly connected - Inspect wiring and connect as required.
Low battery power - Low battery charging, charge as required.
Starter motor is damaged - Repair or replace starter.