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Bobcat T110 Troubleshooting

The Bobcat T110 compact track loader is powered by 148.5 cu.in (2.4L) Kubota V2403 4-cylinder direct injection diesel engine with a rated power of 39 hp (29 kW) at 2200 rpm. The Bobcat T110 is equipped with a single-speed or two-speed hydrostatic transmission, radial-lift loader boom, solid-mounted undercarriage, and 9.9" (250 mm) rubber tracks. The hydraulic system has a pump with fluid flow rate of 12.5 gpm (47.5 lpm). The hydraulic pressure is 3000 psi (207 bar). The track loader has a rated operating capacity of 1100 lbs (498 kg) and tipping load of 3181 lbs (1443 kg). The lift height is 103.7" (2635 mm) to hinge pin, and dump height is 78.7" (2000 mm).

Engine Troubleshooting

Engine difficult to start or will not start
Air in the fuel lines - Bleed the fuel lines.
Fuel filter plugged - Replace filter element.
Dirty or damaged injection nozzles - Check and replace nozzles if required.
Dirt or water in fuel system - Drain water or flush dirt from the system.
Valve clearance is wrong - Need to adjust valve clearance.
Fuel injection pump is not operating properly - Rebuild or change fuel pump.

Engine starts but stops suddenly
Clogged air cleaner - Clean or replace element.
Fuel filter element is dirty - Change or clean the filter element.
Fuel injection pump has loose connections - Tighten the connections.
Damaged or clogged injectors - Replace or clean fuel injectors.
Fuel injection pump is defective - Install a new fuel pump or repair.

Engine stops suddenly during operation
Low coolant temperature - Normalize the temperature by warming up the engine.
Fuel filter plugging - Change filter element.
Air in fuel system - Bleed fuel system.
Dirty or damaged injection nozzles - Change fuel injection nozzles.
Improper setting of fuel injection pump timing - Set the fuel pump timing correctly.

Engine stops while idling
Incorrect low idle setting - Correct low idle adjustment.
Fuel injection pump is defective - Repair or replace injection pump.
Defective fuel injectors - Replace fuel injectors.
The valve clearance is incorrect - Have it adjusted.

Diesel engine loses power
Air filter is plugged - Clean or change.
Clogged injection nozzle - Clean or replace injection nozzles.
Fuel injection pressure is incorrect - Check the fuel injection pressure and adjust if necessary.
The valve clearance is not adjusted - Adjust valve clearance.
Low idle speed setting is incorrect - Correct low idle adjustment.
Dirty fuel hoses or lines - Clean fuel lines and hoses.
Defective cylinder head gasket - Change cylinder head gasket.
Leaking or defective piston rings - Piston rings need to be replaced.

Engine overheating
Coolant level is low - Add coolant and check the components of cooling system.
Low engine oil level - Fill up the oil to required level.
Defective radiator cap or clogged radiator core - Change cap or clean radiator.
Damaged or worn fan belt - If necessary, replace the belt.
Engine overload - Load reducing required.

Oil pressure is insufficient
Low oil level - Need to add oil.
Dirty oil filter element - Clean or change engine oil filter.
Wrong oil viscosity - Use correct viscosity oil.
Crankshaft bearing oil clearance is incorrect - Change bearings.
Oil pump is damaged - Repair or replace.

Engine knocking or noise
Engine oil insufficient - Fill the crankcase with engine oil.
Low coolant temperature - Warm up the engine.
Fuel injection pump timing is wrong - Set the fuel pump timing correctly.
Too low idle RPM - Need to adjust idle speed.
Fuel injectors are dirty or defective - Clean or replace fuel injectors.
Connecting rod failure or misalignment - Connecting rod must be aligned or replaced.
Pistons are worn or broken - Pistons need to be replaced.

Drive System Troubleshooting

Drive system сan't work in either direction
Low hydraulic fluid level - Fill the system to proper hydraulic fluid level.
Undercarriage tracks are damaged or blocked - Remove blockage or repair tracks.
Faulty relief valve - Change or repair relief valve.
Dirty hydraulic filter or suction line - Check, clean, or replace if required.
Foot or hand controls are faulty - Replace or repair.
Drive motor or pump is defective - Repair or change faulty component.

Machine does not move straight or moves jerky
Damaged or jammed undercarriage tracks - Repair or remedy jamming.
Tracks are improperly tensioned or worn - Adjust track tension or replace tracks.
Undercarriage track frame is plugged with dirt, debris, or foreign objects - Clean undercarriage track frame, remove foreign objects and debris.

Low power
Clogged hydraulic oil filter - Replace or clean hydraulic filter.
Relief valve is damaged or open - Close or change relief valve.
Transmission components are damaged or faulty - Check and change faulty components.
Input drive shaft failure - Repair or replace faulty drive shaft.
There is air in the hydraulic system - Bleed air from system.

Drive system overheats
Hydraulic oil is insufficient - Fill the system to proper hydraulic oil level.
Hydraulic fluid filter is dirty - Change or service hydraulic filter.
Worn or damaged relief valve - Repair or replace.
Defective drive pump or hydraulic motor - Check and repair if required.
Dirty oil cooler - Cooling fins should be cleaned.
Drive system overloaded continuously - Reduce drive system load.

Drive system is noisy
Wrong oil viscosity - Use correct oil viscosity.
Air trapped in hydraulic system - Need to bleed air.
Hydraulic motor or drive pump failure - Inspect and replace as necessary.
Worn or defective mechanical parts of drive system - Inspect the parts for defect or damage and repair as required.

Hydraulics Troubleshooting

Hydraulic system overheated
Hydraulic pressure is not correct - Correct setting is required.
Main relief valve is damaged or adjusted improperly - Set up or change the relief valve.
Hydraulic oil is contaminated - Fill up with fresh hydraulic oil.
Hydraulic fluid level is low - Need to add fluid.
Hydraulic pump is defective - Install new pump or repair it.

Boom cannot be lowered or raised
Faulty lift controls - Check and repair as required.
Hydraulic pump malfunction - Repair or change pump if required.
Faulty hydraulic control valve - Change or repair hydraulic valve.
Damaged hydraulic cylinder - Replace or repair boom cylinder.
Low hydraulic oil level - Check and refill the hydraulic oil.

Bucket is not working
Bucket tilt controls are damaged - Inspect and repair if necessary.
Hydraulic pump failure - Replace or repair pump if necessary.
Hydraulic control valve is defective - Repair or replace hydraulic valve.
Defective bucket cylinder - Repair or replace cylinder.
Insufficient hydraulic fluid - Fill up the hydraulic fluid.

Slow bucket or lift arm operation
Defective hydraulic pump - Check hydraulic pump flow and replace pump if necessary.
Hydraulic cylinder leaking - Change cylinder piston seals.
Hydraulic fluid is insufficient - Add fluid as required.
Hydraulic control valve is defective or set improper - Repair or set properly.
Hydraulic pressure is low - Correct setting is required.

Lift arm or bucket is moving jerkily
Air in the hydraulic system - Bleed air from system.
Hydraulic oil filter clogging - Service or change the hydraulic filter.
Hydraulic oil is dirty - Fill up with fresh hydraulic oil.
Cylinder tube or rod is scored - Change worn component.

Excessive hydraulic pump noise
Not enough oil or hydraulic system leaking - Add hydraulic oil or correct system leaks.
Hydraulic filter is dirty - Clean or install new filter.
Dirty suction line - Need to clean the suction line.
Air enters the pump - Need to bleed air.
Pump parts are damaged - Rebuild or replace hydraulic pump.

Electrical Troubleshooting

Battery is not charging
Corroded or loose cable connections - Tighten or clean connections.
Defective battery terminal clamps - Install new terminal clamps.
Defective battery - Battery replacement required.
Belt is damaged or loose - Adjust belt tension or replace belt.

Starter motor turns slow
Low battery capacity - Recharge the battery.
Battery is draining quickly - Service or change the battery.
Disconnected cables or faulty battery terminals - Check wiring connections and replace or clean terminals.

Starter motor won't turn
Battery is low or faulty - Charge or change the battery.
Battery wiring is disconnected or improperly connected - Inspect wiring and connect as required.
Battery power is low - Battery is drained, charge it.
Starter motor failure - Repair or install a new starter.