____________________________________________________________________________________
| Home / Skid Steer Loaders / Case Skid Steer Loaders / Case 1825 |
Case 1825 Troubleshooting
The
Case 1825 skid steer loader driveline system components: Nissan A12 4-cylinder
8-valve OHV gasoline engine with a rated power of 25 hp (18.5 kW) or Kubota
V1100 4-cylinder water-cooled diesel engine with a rated power of 25 hp (18.5
kW). The hydraulic system has a pump with a rated capacity of 9.3 gal/min (35.2
l/min). The Case 1825 is equipped with a radial-lift boom, 1-speed hydrostatic
transmission, 60HT drive chains, and 5.70x15 standard tires. The skid steer loader has a
maximum lift height of 98.2" (2495 mm) to hinge pin and dump height of 76" (1930
mm). The rated operating capacity is 800 lbs (365 kg), and tipping load is 1600
lbs (730 kg).
| Gasoline Engine Troubleshooting |
Engine starts hard or will not start
Gas tank is empty - Fill it up.
Wrong fuel grade - Change fuel.
Fuel system clogged - Repair or replace.
Defective spark plug wire connection - Check spark plug wiring connection, repair or change.
Defective spark plug - Install new spark plug.
Defective ignition system - Test ignition and replace failed parts.
Fuel filter is dirty - Install new filter.
Dirt in the fuel lines - Fuel lines must be clean.
Clogged or damaged fuel pump - Service or replace fuel pump.
Wrong carburetor adjustment - Adjusting carburetor correctly.
Low cylinder compression - Check cylinder block and replace worn parts.
Engine runs intermittently
Defective ignition - Check ignition system and replace faulty parts.
Plugged air filter - Clean or change filter.
Faulty spark plug - Change spark plug as required.
Dirty or damaged fuel pump - Clean or install new fuel pump.
Valve clearance is not correct - Adjust valve clearance.
Wrong ignition timing - Ignition timing needs to be adjusted correctly.
Low idle speed set incorrectly - Adjustment required.
Engine starts and stops immediately
Spark plug is faulty - Spark plug need to be replaced.
Carburetor is clogged or defective - Replace or service carburetor.
Ignition coil is not working - Ignition coil should be replaced.
Loose or broken valve springs - Valve springs need to be changed.
Stuck valves - Valves need to be cleaned.
Engine overheating
Engine oil level is low - Fill the crankcase with engine oil.
Excessive engine load - Load reducing is recommended.
Too lean fuel mixture in carburetor - Adjust carburetor correctly.
Ignition timing is incorrect - Ignition timing needs to be adjusted correctly.
Incorrect valve setting - Set the valves properly.
Defective radiator cap or clogged radiator fins - Change cap or clean radiator.
Insufficient coolant fluid - Add coolant fluid and inspect the cooling system for leaks.
Faulty thermostat - Change thermostat.
Water pump malfunction - Change water pump.
Engine knocking or noise
Low octane gasoline - Use proper gasoline.
Engine overloaded - Load reducing is recommended.
Not enough engine oil - Fill the crankcase with engine oil.
Low idle speed adjustment is incorrect - Correct idle settings.
Fuel pump is damaged or dirty - Clean or install new fuel pump.
Main bearings or crankshaft are worn out - Repair or replace defective parts.
Valve clearance is incorrect - Need to adjust valve clearance.
Piston rings or cylinder bore are damaged - Replace faulty parts.
Engine loses power
Carburetor is clogged or incorrectly adjusted - Clean or properly adjust carburetor.
Clogged air filter - Change or service air filter.
Dirty or damaged fuel pump - Test fuel pump and change if necessary.
Ignition system failure - Check ignition system and replace faulty parts.
Defective cylinder head gasket - Cylinder-head gasket replacement required.
Valves are stuck or burned - Change or clean valves.
Cylinder block parts are worn out - Change defective components.
Oil filter element is clogged - Change or clean oil filter.
Excessive fuel consumption
Air filter element is clogged - Change or service air filter.
Improper adjustment of carburetor main jet - Adjust main jet as required.
Spark plug is loose or defective - Spark plug need to be tightened or replaced.
Bad ignition timing - Adjust ignition timing as required.
Valves are worn, burned or stuck - Change or clean valves.
Worn sleeve, rings, or piston - Replace defective parts as required.
Excessive valve clearance - Check and adjust.
Low compression - Check and replace worn parts.
High engine oil consumption
Damaged seals or gaskets - Worn parts need to be replaced.
Valve guides or stems are damaged - Valves must be replaced.
Seized or wear piston rings - Change piston rings.
Cylinder liner or piston is worn - Inspect liner and piston, change as necessary.
Engine backfires
Carburetor is running lean - Adjust carburetor properly.
Fuel lines clogging - Service fuel lines.
Incorrect ignition timing - Ignition timing needs to be set properly.
Wrong valve setting - Set the valves correctly.
Dirty air filter element - Service or replace air filter.
| Diesel Engine Troubleshooting |
Engine hard to start or will not start
Air in fuel system - Bleed fuel system.
Fuel filter element is dirty - Replace filter element.
Clogged or burnt injection nozzle - Inspect nozzles and replace if necessary.
Water or dirt in fuel system - Drain, flush, and service the system.
Valve clearance is out of adjustment - Adjustment procedure required.
Faulty fuel injection pump - Replace or rebuild injection pump.
Diesel starts but immediately stops
Plugged air cleaner - Clean or replace air cleaner element.
Clogged fuel filter - Replace filter element.
Poor fuel injection pump tightness - Look for any leaks of fuel pump, tighten it fast.
Defective or clogged fuel injectors - Replace or clean fuel injectors.
Fuel injection pump malfunction - Replacement or repair required.
Engine shuts off suddenly during operation
Low coolant temperature - Warm up engine as required.
Fuel filter element clogging - Clean or change the filter.
Air in fuel system - Bleed fuel system.
Dirty or faulty injection nozzles - Clean or replace injection nozzles.
Improper setting of fuel injection pump timing - Adjust the pump as required.
Engine stops while idle
Incorrectly set low idle speed - Adjust low idle speed.
Faulty fuel injection pump - Rebuild or install a new injection pump.
Fuel injector fault - Change or clean fuel injectors.
Improper valve clearance - Correct valve clearance.
Engine power is insufficient
Air cleaner is clogged - Clean or replace element.
Clogged or burnt injection nozzle - If necessary, replace with a new nozzle.
Incorrect fuel injection pressure - Adjust to correct pressure.
Valve clearance is out of adjustment - Need to adjust valve clearance.
Incorrectly set low idle speed - Need to adjust idle speed.
Clogged fuel lines or hoses - Clean fuel hoses and lines.
Cylinder-head gasket is broken - Change cylinder head gasket.
Defective or worn piston rings - Install new piston rings.
Engine overheated
Coolant level is low - Add coolant fluid to cooling system and also check it for leaks.
Low engine oil level - Checking oil level and add if necessary.
Defective radiator cap or clogged radiator core - Clean radiator or replace cap.
Damaged or worn fan belt - Replace the fan belt.
Engine overloaded - Load reducing is recommended.
Insufficient oil pressure
Insufficient engine oil - Fill the crankcase with oil.
Oil filter clogged - Change or service engine oil filter.
Different type of engine oil - Use the specified type of engine oil.
Incorrect oil clearance in main bearing - Replace bearings.
Oil pump is worn or damaged - Replace as required.
Engine knocking or noise
Engine oil insufficient - Checking oil level and add if necessary.
Low coolant temperature - Warm up engine as required.
Improper fuel injection timing - Set the fuel pump timing correctly.
Incorrectly set low idle speed - Adjustment required.
Damaged or clogged injectors - Inspect fuel injectors and change as required.
Connecting rod is worn or not aligned - Align or change connecting rod.
Worn or scored pistons - Pistons replacement required.
| Drive System Troubleshooting |
Drive system won't operate in either direction
Hydraulic oil is insufficient - Check and refill the hydraulic oil.
Drive chain is worn - Inspect drive chain and replace faulty parts.
Relief valve failure - Change or repair relief valve.
Clogged suction line or hydraulic filter - Clean suction line or change hydraulic filter.
Foot or hand controls are faulty - Repair or change.
Worn drive motor or pump - Check and repair if required.
Power is too low
Hydraulic oil filter is dirty - Check, clean, or replace as required.
Relief valve is damaged or open - Close or replace relief valve.
Faulty or damaged transmission components - Check and change defective components.
Stuck input drive shaft - Service or change faulty drive shaft.
Air leaks in hydraulic system - Bleed air from hydraulic system.
Drive system keeps overheating
Hydraulic fluid is insufficient - Check and refill the hydraulic fluid.
Hydraulic fluid filter is dirty - Replace or service hydraulic filter.
Relief valve is stuck - Repair or change.
Defective drive pump or hydraulic motor - Inspect and change as required.
Oil cooler is clogged - Clean cooling fins as required.
Overloaded drive system - Reduce the load.
Drive system is excessively noisy
Improper oil viscosity - Use proper oil viscosity.
Air in hydraulic system - Bleed air from hydraulic system.
Hydraulic motor or drive pump is worn - Repair or replace faulty component.
Mechanical components of drive system are defective or worn - Check the components for worn or defect and replace if necessary.
| Hydraulics Troubleshooting |
Hydraulic system overheated
Hydraulic pressure is not correct - Set pressure correctly.
Main relief valve malfunction or improper adjustment - Replace or set up the relief valve.
Hydraulic fluid contamination - Hydraulic fluid change required.
Lack of hydraulic fluid - Need to add fluid.
Hydraulic pump is worn - Repair or install new hydraulic pump.
Boom cannot be lowered or raised
Lift controls are faulty - Inspect and repair if necessary.
Hydraulic pump not working - Install new pump or repair it.
Defective hydraulic control valve - Replace or repair the valve.
Faulty hydraulic cylinder - Repair or install a new lift cylinder.
Insufficient hydraulic fluid - Checking hydraulic fluid level and add if necessary.
Bucket is not working
Bucket controls failure - Change or repair.
Damaged hydraulic oil pump - Repair or change pump if required.
Defective hydraulic control valve - Repair or change hydraulic valve.
Defective bucket cylinder - Replace or repair cylinder.
Insufficient hydraulic oil - Fill the system to proper hydraulic oil level.
Bucket or lift arm functions slowly
Faulty hydraulic oil pump - Flow-rate hydraulic pump and replace pump if necessary.
Oil leaks from hydraulic cylinder - Replace cylinder piston seals.
Insufficient hydraulic fluid - Add fluid as required.
Hydraulic control valve is unadjusted or worn - Adjust correctly or repair.
Hydraulic pressure has dropped - Correct adjustment is required.
Lift arm or bucket is working jerkily
Air leaks in hydraulic system - Bleed air from system.
Hydraulic oil filter element clogging - Clean or replace the filter.
Contaminated hydraulic fluid - Change hydraulic fluid.
Cylinder rod or tube is scratched - Change worn component.
Excessive hydraulic pump noise
Hydraulic leakage or lack of oil - Remedy hydraulic leakage or refill oil as necessary.
Plugged hydraulic filter - Change or clean oil filter.
Plugged suction line - Service the suction line.
Air enters the pump - Remove air from hydraulics.
Pump components are faulty - Install new hydraulic pump or rebuild it.
| Electrical Troubleshooting |
Battery is not charging
Loose or corroded electrical wiring connections - Tighten or service cable connections.
Faulty electrical terminal connectors - Terminal connectors need to be changed.
Battery dead cell - Use a new battery.
Belt is defective or loose - Need to adjust belt tension or replace belt.
Starter motor turns slow
Low battery output voltage - Charge the battery.
Battery discharges quickly - Battery needs service or replacement.
Battery cables are disconnected or terminals are faulty - Check wiring connections and replace or clean terminals.
Starter is not cranking
Battery is low or faulty - Replace or charge as required.
Disconnected or improperly connected wiring harness - Inspect battery wiring harness and connect as required.
Low battery capacity - Recharge the battery.
Starter motor failure - Starter should be changed.
____________________________________________________________________________________
____________________________________________________________________________________
| SKID STEER LOADERS SPECIFICATIONS |