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| Home / Compact Track Loaders / Kubota Compact Track Loaders / Kubota SVL75-2 |
Kubota SVL75-2 Troubleshooting
The
Kubota SVL75-2 compact track loader is powered by Kubota V3307-CR-TE4
four-cylinder turbocharged diesel engine with a rated power of 74.3 hp (55.2
kW). The Kubota SVL75-2 is equipped with a 2-speed hydro transmission, 12.6"
(300 mm) or 15" (380 mm) rubber tracks, triple flange lower track rollers,
vertical-lift loader boom, and self-leveling bucket. The hydraulic system has a
pump with fluid flow rate of 17.4 gal/min (66 l/min) or 29.3 gal/min (111
l/min). The track loader has a rated operating capacity of 3285 lbs (1490 kg)
and tipping load of 6570 lbs (2980 kg). The max lift height is 119.1" (3025 mm)
to hinge pin, and breakout force is 6205 lbs (2815 kg).
| Engine Troubleshooting |
Engine starts hard or doesn't start
Air in the fuel system - Air bleeding.
Fuel filter plugged - Change the filter element.
Dirty or faulty injection nozzles - Service or change injection nozzles.
Dirt or water in fuel system - Drain water or flush dirt from the system.
Incorrect valve clearance - Adjust valve clearance.
Damaged fuel injection pump - Rebuild or change fuel pump.
Engine starts and then shuts off
Clogged air cleaner - Clean or change cleaner.
Dirty fuel filter - Clean or change the filter.
Fuel injection pump has loose connections - Tighten the connections.
Damaged or clogged injectors - Clean or replace fuel injectors.
Fuel injection pump malfunctioning - Replace or rebuild injection pump.
Diesel shuts off while driving
Engine not warmed up - Normalize the temperature by warming up the engine.
Dirty fuel filter - Change filter element.
Air in fuel tank - Bleed fuel tank.
Damaged or dirty injection nozzles - Inspect nozzles and replace if necessary.
Improper fuel injection timing - Adjust as recommended.
Engine stops while idle
Incorrectly adjusted low idle speed - Adjust the low idle speed.
Defective fuel injection pump - Repair or install new pump.
Fuel injectors are dirty or defective - Clean fuel injectors or change it.
Excessive valve clearance - Adjust valve clearance according to specifications.
Engine power is insufficient
Clogged air filter - Replace or clean air filter element.
Clogged or burnt injection nozzle - Change fuel injection nozzles.
Fuel injection pressure is wrong - Check the fuel injection pressure and adjust if necessary.
Improper valve clearance - Need to adjust valve clearance.
Incorrect low idle setting - Adjust as required.
Fuel hoses or lines are dirty - Service fuel lines and hoses.
Blown cylinder head gasket - Change cylinder head gasket.
Piston rings are worn or damaged - Piston rings need to be replaced.
Engine is overheated
Insufficient coolant - Top up coolant fluid and check system for leaks.
Low engine oil level - Check and refill engine oil.
Dirty radiator core or defective radiator cap - Install new cap or clean radiator.
Excessive wear of the fan belt - Change the fan belt.
Engine overloaded - Load reducing is recommended.
Low oil pressure
Engine oil insufficient - Checking oil level and add if necessary.
Dirty oil filter - Change or service engine oil filter.
Incorrect oil viscosity - Drain and refill with oil of correct grade and viscosity.
Excessive crankshaft bearing oil clearance - Bearing needs to be changed.
Oil pump malfunction - Check and replace if necessary.
Abnormal engine noise or knocking
Engine oil level low - Fill the crankcase with engine oil.
Engine is cold - Warm up engine as required.
Fuel injection pump timing is wrong - Check the fuel injection pump timing adjustment.
Incorrectly adjusted low idle speed - Normalize low idle speed.
Damaged or clogged injectors - Inspect fuel injectors and change as required.
Connecting rod failure or misalignment - Connecting rod needs to be aligned or changed.
Worn or scored pistons - Install new pistons.
| Drive System Troubleshooting |
Machine will not move forward or backward
Low hydraulic oil level - Need to add oil.
Defective or blocked undercarriage tracks - Repair or remove blockage.
Faulty input drive shaft - Repair or install a new drive shaft.
Relief valve is defective - Service or change relief valve.
Suction line or hydraulic filter is dirty - Service suction line or change hydraulic filter.
Worn or defective hand or foot controls - Change or repair.
Defective drive pump or motor - Repair or change faulty component.
Machine won't drive straight or drives jerkily
Damaged or jammed undercarriage tracks - Repair or remedy jamming.
Sagging or worn tracks - Replace tracks or adjust track sag with tension.
Debris, dirt, or foreign objects jammed in undercarriage track frame - Remove foreign objects or debris and clean undercarriage track frame.
Reduced power
Dirty hydraulic oil filter - Change hydraulic filter.
Worn or open relief valve - Replace or close relief valve.
Faulty or damaged transmission components - Inspect and replace defective parts.
Stuck input drive shaft - Repair or install a new drive shaft.
Air trapped in hydraulic system - Air bleeding is required.
Drive system overheating
Low hydraulic fluid level - Fill the system to proper hydraulic fluid level.
Hydraulic fluid filter is clogged - Change or clean hydraulic filter.
Relief valve is stuck - Repair or change.
Damaged drive pump or hydraulic motor - Inspect and change as required.
Clogged hydraulic oil cooler - Cooling fins need to be cleaned.
Drive system is overloaded - Reduce drive system load.
Drive system is noisy
Wrong oil viscosity - Drain and refill with correct oil.
Air leaks in hydraulic system - Air bleeding is required.
Hydraulic motor or drive pump failure - Repair or replace faulty component.
Worn or damaged mechanical parts of drive system - Inspect drive system and replace faulty components.
| Hydraulics Troubleshooting |
Hydraulic system overheating
Hydraulic pressure incorrectly adjusted - Hydraulic pressure must be set correctly.
Main relief valve is faulty or misadjusted - Set up or change the relief valve.
Hydraulic oil contamination - Change hydraulic oil.
Hydraulic fluid level is insufficient - Add fluid to the hydraulic system.
Defective hydraulic pump - Repair or install new hydraulic pump.
Boom won't lower or raise
Lift controls malfunction - Replace or repair.
Hydraulic pump not working - Replace or repair pump if necessary.
Hydraulic control valve malfunction - Change or repair hydraulic valve.
Defective hydraulic cylinder - Replace or repair boom cylinder.
Hydraulic fluid level low - Checking hydraulic fluid level and add if necessary.
Bucket tilt does not work
Bucket tilt controls malfunction - Repair or replace.
Hydraulic pump not working - Repair or replace pump if necessary.
Defective hydraulic control valve - Install a new hydraulic valve or repair it.
Bucket cylinder failure - Repair or change cylinder.
Hydraulic fluid is insufficient - Fill up the hydraulic fluid.
Slow boom or bucket operation
Defective hydraulic pump - Flow-rate pump and change pump if necessary.
Hydraulic cylinder leaking - Cylinder seals need to be replaced.
Hydraulic fluid is insufficient - Checking hydraulic fluid level and add if necessary.
Hydraulic control valve is not set properly or defective - Repair or set correctly.
Low hydraulic pressure - Adjust pressure as required.
Lift arm or bucket jerks when working
Air trapped in hydraulic system - Air bleeding is required.
Clogged hydraulic oil filter element - Clean or change the filter.
Hydraulic oil is contaminated - Change hydraulic oil.
Cylinder rod or tube is scuffed - Change damaged component.
Excessive hydraulic pump noise
Hydraulic system leaking or not enough oil - Top up hydraulic oil or remedy leakage in system.
Dirty hydraulic filter - Replace or clean the filter.
Suction line is dirty - Service the suction line.
Pump is sucking air - Remove air from hydraulics.
Pump components are faulty - Rebuild or replace hydraulic pump.
| Electrical Troubleshooting |
Battery will not charge
Corroded or loose electrical wire connections - Clean or tighten wiring connections.
Battery terminal connectors are defective - Terminal connectors should be replaced.
Defective battery - Battery change required.
Loose or damaged belt - Adjust belt tension or install a new belt.
Starter turns slow
Battery power is low - Battery needs to be recharged.
Battery drains quickly - Battery needs service or replacement.
Disconnected wiring or bad battery terminals - Check wire connections and change or service terminals.
Starter is not cranking
Battery is low or faulty - Need to charge or replace the battery.
Wiring harness is disconnected or improperly connected - Check wiring harness and connect as required.
Battery power is low - Low battery charging, charge as required.
Starter motor failing - Change or repair starter.
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| COMPACT TRACK LOADERS SPECIFICATIONS |