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Case 1530B Troubleshooting
The
Case 1530 Series B skid steer loader driveline system components: a 107.7 cu.in
(1.7L) Wisconsin VH4D 4-cylinder air-cooled gasoline engine with a rated power
of 30 hp (22.2 kW), and variable speed sheave transmission. The hydraulic system
has a pump with a rated capacity of 10.8 gal/min (40.9 l/min). The system relief
pressure is 2300 psi (159 bar). The Case 1530B is equipped with a radial-lift
boom, 80H drive chains, and 7.00x15 standard tires. The skid steer loader has a
max lift height of 114.5" (2910 mm) to hinge pin and overall length of 110"
(2795 mm). The rated operating capacity is 3000 lbs (1362 kg), and tipping load
is 6000 lbs (2724 kg).
| Engine Troubleshooting |
Engine won't start or hard to start
Fuel tank is empty - Fill gasoline up.
Wrong grade of gasoline - Use quality gasoline.
Air in fuel tank - Bleed fuel tank.
Defective spark plug wire connection - Inspect spark plug wiring connection, change or repair.
Spark plug is faulty - Spark plug need to be replaced.
Ignition system problems - Inspect ignition system and change failed components.
Fuel filter is plugged - Fuel filter needs changing.
Dirt in the fuel lines - Fuel lines must be clean.
Fuel pump is clogged or faulty - Test fuel pump and change if necessary.
Carburetor is not working properly - Inspect and adjust.
Poor compression - Inspect and replace wear parts.
Engine runs unevenly
Ignition system failure - Test ignition and replace failed parts.
Plugged air filter - Clean or change filter.
Spark plug is damaged - Spark plug need to be replaced.
Fuel pump is clogged or faulty - Clean or change fuel pump.
Valve clearance is wrong - Check and adjust.
Bad ignition timing - Ignition timing needs to be adjusted correctly.
Low idle speed setting is not correct - Adjustment required.
Engine starts and stops
Damaged spark plug - Change spark plug as required.
Defective or clogged carburetor - Clean or change carburetor.
Ignition coil is damaged - Change ignition coil as required.
Valve springs are broken or bad - New valve springs need to be installed.
Stuck valves - Service the valves.
Engine overheats
Not enough engine oil - Add oil to the engine crankcase.
Engine is overloaded - Reduce load.
Carburetor mixture is too lean - Adjust carburetor properly.
Incorrect ignition timing - Ignition timing needs to be adjusted correctly.
Improper valve setting - Valves needs to be adjusted properly.
Radiator core is clogged or radiator cap is leaking - Change cap or clean radiator.
Engine has a lack of coolant - Add coolant and check the components of cooling system.
Faulty thermostat - Change thermostat.
Damaged water pump - Change water pump as required.
Abnormal engine noise or knocking
Stale gasoline - Use correct fuel.
Engine overloaded - Reduce engine load.
Not enough engine oil - Fill the crankcase with engine oil.
Low idle speed setting is not correct - Correct idle adjustment.
Dirty or faulty fuel pump - Test fuel pump and replace if necessary.
Crankshaft or main bearings failure - Replace crankshaft or bearings.
Valve clearance is not correct - Need to adjust valve clearance.
Cylinder bore or piston rings are damaged - Change faulty parts.
Engine lacks power
Dirty or improperly adjusted carburetor - Clean or correctly adjust carburetor.
Clogged air filter - Replace or clean air filter.
Clogged or damaged fuel pump - Test fuel pump and change if necessary.
Defective ignition - Test ignition and replace failed parts.
Cylinder head gasket is blown - Replace cylinder head gasket.
Burned or stuck valves - Replace or service valves.
Cylinder block parts are damaged - Change defective parts.
Oil filter is dirty - Clean or change oil filter.
Engine uses too much fuel
Plugged air filter - Change or clean air filter.
Carburetor main jet adjustment is incorrect - Adjust it properly.
Defective or loose spark plug - Re-tighten or replace spark plug.
Ignition timing is incorrect - Ignition timing needs to be set properly.
Valves are stuck, burned, or worn - Replace or service valves.
Worn piston, rings, or sleeve - Change faulty components.
Valve clearance is wrong - Check and adjust.
Poor compression - Inspect and replace wear parts.
High oil consumption
Damaged gaskets or seals - Defective components must be replaced.
Worn valve stems and valve guides - Change the valves.
Damaged or seized piston rings - Change the piston rings as required.
Damaged cylinder liner or piston - Check liner and piston, change as required.
Engine backfires
Too lean fuel mixture in carburetor - Adjust carburetor properly.
Fuel lines clogging - Fuel lines must be clean.
Ignition timing is improper - Adjust ignition timing as required.
Wrong valve setting - Adjust valves correctly.
Dirty air filter element - Replace or service air filter.
| Drive System Troubleshooting |
Drive system does not work in either direction
Insufficient hydraulic oil - Check and refill the hydraulic oil.
Drive chain fault - Inspect drive chain and replace faulty components.
Suction line or hydraulic filter is plugged - Check, clean, or change if necessary.
Worn or defective hand or foot controls - Replace or repair.
Worn transmission parts - Inspect and replace as necessary.
Reduced power
Hydraulic oil filter is plugged - Check, clean, or change as necessary.
Transmission parts are damaged or faulty - Inspect and replace defective parts.
Input drive shaft is worn - Service or change faulty drive shaft.
Air in the hydraulic system - Need to bleed air.
Overheated drive system
Hydraulic oil is insufficient - Need to add oil.
Dirty hydraulic fluid filter - Change hydraulic filter.
Defective transmission parts - Repair or change faulty component.
Drive system overload - Load needs to be reduced.
Drive system is noisy
Oil viscosity is wrong - Drain and refill with proper oil.
Air in the hydraulic system - Air bleeding is required.
Transmission parts malfunction - Repair or change faulty parts.
Worn or damaged mechanical parts of drive system - Inspect the components for worn or defect and repair as required.
| Hydraulics Troubleshooting |
Hydraulic system is overheated
Hydraulic pressure is not adjusted correctly - Correct setting is required.
Main relief valve is defective or unadjusted - Replace or set up the relief valve.
Contaminated hydraulic oil - The oil must be changed.
Not enough hydraulic fluid in the system - Check and refill the hydraulic fluid.
Worn hydraulic oil pump - Replace or repair pump if necessary.
Lift arm does not lower or raise
Lift controls are damaged - Repair or change.
Damaged hydraulic oil pump - Replace or repair pump if necessary.
Hydraulic control valve is faulty - Repair or replace the valve.
Hydraulic cylinder not working - Change or repair lift cylinder.
Hydraulic oil level low - Need to add oil.
Bucket won't move
Damaged bucket controls - Inspect and repair if necessary.
Hydraulic pump is broken - Replace or repair pump if necessary.
Hydraulic control valve malfunction - Install a new hydraulic valve or repair it.
Bucket cylinder malfunction - Repair or replace cylinder.
Hydraulic fluid level low - Fill the system to proper hydraulic fluid level.
Slow boom or bucket action
Defective hydraulic pump - Check pump performance and change it if necessary.
Oil leaks from hydraulic cylinder - Replace cylinder piston seals.
Hydraulic oil level low - Check and refill the hydraulic oil.
Hydraulic control valve is not set properly or defective - Repair or adjust correctly.
Hydraulic pressure is low - Hydraulic pressure must be set correctly.
Lift arm or bucket jerks when working
Air in the hydraulic system - Need to bleed air.
Hydraulic oil filter element is dirty - Change or clean oil filter.
Hydraulic fluid contamination - Hydraulic fluid change required.
Cylinder rod or tube is scratched - Change worn component.
Excessive hydraulic pump noise
Hydraulic leaks or low oil level - Remedy hydraulic leakage or refill oil as necessary.
Clogged hydraulic filter - Service or replace hydraulic filter.
Suction line clogging - Clean suction line as required.
Air trapped in hydraulic pump - Need to bleed air.
Pump parts are damaged - Rebuild or install new pump.
| Electrical Troubleshooting |
Battery does not charge
Loose or corroded electrical wiring connections - Tighten or service connections.
Battery terminal clamps are faulty - Replace terminal clamps.
Defective battery - Battery replacement required.
Belt is damaged or loose - Change belt or adjust belt tension.
Starter cranks slowly
Battery capacity is low - Battery needs to be recharged.
Battery runs out quickly - Service battery or change it.
Corroded battery terminals or disconnected wires - Connect wires correctly or change terminals.
Starter doesn't crank
Battery is discharged or defective - Charge or change the battery.
Battery cables are disconnected or incorrectly connected - Check cables and connect as needed.
Battery capacity is low - Recharge the battery.
Defective starter motor - Repair or change starter.
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| SKID STEER LOADERS SPECIFICATIONS |