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Case 1835B Troubleshooting
The
Case 1835B skid steer loader driveline system components: 148 cu.in (2.4L) Case
148G 4-cylinder water-cooled gasoline engine or 188 cu.in (3.1L) Case 188D
4-cylinder water-cooled diesel engine, and single-speed hydrostatic
transmission. The hydraulic system has a pump with a rated capacity of 15.5
gal/min (58.7 l/min). The Case 1835B is equipped with a radial-lift loader boom,
60H drive chain, and 7.00x15 (Std) or 10.00x16.5 (Opt) tires. The loader has a
boom breakout force of 2250 lbs (1020 kg) and bucket breakout force of 3100 lbs
(1405 kg). The rated operating capacity is 1200 lbs (545 kg), and tipping load
is 2410 lbs (1095 kg).
| Gasoline Engine Troubleshooting |
Engine won't start or starts hard
Empty fuel tank - Add fuel.
Low-quality gasoline - Change gasoline.
Air or water in fuel system - Remove water or air from fuel system.
Damaged spark plug wiring connection - Inspect the spark plug wire connection, replace or repair.
Damaged spark plug - Spark plug need to be replaced.
Ignition system problems - Check ignition system and replace faulty parts.
Fuel filter is plugged - Change fuel filter.
Fuel lines are dirty - Fuel lines need to be cleaned.
Fuel pump is dirty or defective - Clean or replace fuel pump.
Carburetor settings incorrect - Adjusting as required.
Bad engine compression - Inspect cylinder block and replace worn components.
Engine runs intermittently
Ignition system malfunction - Check ignition system and replace faulty parts.
Plugged air filter - Clean or change.
Spark plug is damaged - Spark plug need to be replaced.
Dirty or defective fuel pump - Inspect fuel pump and change as required.
Valve clearance is improper - Adjustment procedure required.
Bad ignition timing - Set the ignition timing correctly.
Improperly adjusted low idle speed - Adjust idle speed.
Engine starts but immediately shuts off
Damaged spark plug - Spark plug need to be replaced.
Carburetor is faulty or dirty - Clean or replace carburetor.
Damaged ignition coil - Change ignition coil as required.
Valve springs are weak or broken - Valve springs need to be changed.
Valves are stuck - Valves need to be cleaned.
Engine keeps overheating
Engine oil insufficient - Check oil level and add oil as required.
Engine is running overloaded - Reduce load.
Carburetor is running lean - Set the carburetor properly.
Improper ignition timing - Set the ignition timing correctly.
Valve setting is improper - Valves needs to be adjusted properly.
Radiator core is dirty or radiator cap is damaged - Change cap or clean radiator.
Not enough coolant - Add coolant fluid to cooling system and also check it for leaks.
Thermostat is defective - Thermostat need to be replaced.
Defective water pump - Change water pump as required.
Engine knocking sound or abnormal noise
Low octane fuel - Change fuel.
Engine overload - Load reducing required.
Lack of engine oil - Check and refill engine oil.
Low idle speed set incorrectly - Adjust the low idle speed.
Fuel pump is damaged or dirty - Service or replace fuel pump.
Worn crankshaft or main bearings - Change defective components as required.
Improper valve clearance - Adjust valve clearance.
Worn cylinder bore or piston rings - Change faulty parts.
Loss of engine power
Incorrectly adjusted or clogged carburetor - Adjust the carburetor properly or clean it.
Air filter element is plugged - Service or replace air filter.
Clogged or damaged fuel pump - Clean or replace fuel pump.
Ignition system malfunction - Test ignition and replace failed parts.
Cylinder head gasket is worn - Replace the head gasket.
Burned or stuck valves - Clean or change valves.
Damaged cylinder block components - Change defective components.
Plugged oil filter - Service or replace oil filter.
Engine uses too much fuel
Air filter is dirty - Service or replace air filter.
Incorrect carburetor main jet adjustment - Adjust it properly.
Loose or defective spark plug - Spark plug need to be tightened or replaced.
Ignition timing is wrong - Ignition timing needs to be adjusted correctly.
Valves are worn, stuck, or burned - Service or change valves.
Sleeve, piston, or rings are damaged - Replace defective components.
Improper valve clearance - Adjustment procedure required.
Poor compression - Inspect and replace wear parts.
High oil consumption
Damaged gaskets or seals - Replace to repair leaks.
Valve guides and stems are worn - Replace the valves.
Worn or stuck piston rings - Install new piston rings.
Scuffed piston or cylinder liner - Inspect liner and piston, replace as necessary.
Engine backfires
Too lean carburetor mixture - Set the carburetor properly.
Restricted fuel lines - Clean fuel lines.
Improper ignition timing - Ignition timing needs to be adjusted correctly.
Valve setting is incorrect - Adjust valves as required.
Dirty air filter element - Change or clean air filter.
| Diesel Engine Troubleshooting |
Diesel hard to start or doesn't start
Air in the fuel pipes - Bleed the fuel pipes.
Fuel filter plugged - Clean or change the filter.
Fuel injection nozzles are damaged or dirty - Replace injection nozzles.
Water in the fuel system - Change fuel and repair fuel system.
Valve clearance is out of adjustment - Adjustment procedure required.
Faulty fuel injection pump - Replacement or repair required.
Diesel starts but then stops
Dirty air cleaner - Clean or replace air cleaner element.
Dirty fuel filter - Change or clean the filter element.
Fuel injection pump has loose connections - Tighten the connections.
Dirty or defective injectors - Replace fuel injectors.
Fuel injection pump is not operating properly - Change or repair the pump.
Engine stops suddenly during operation
Low coolant temperature - Warm up the engine.
Fuel filter element clogging - Install new filter element.
Air in the fuel pipes - Bleed the fuel pipes.
Fuel injection nozzles fault - Check and replace nozzles if required.
Improper fuel injection timing - Adjust according to specifications.
Engine stalls at low idle speed
Incorrectly set low idle speed - Adjust low idle speed.
Fuel injection pump is broken - Repair or install a new fuel pump.
Fuel injectors are faulty or clogged - Change or clean fuel injectors.
The valve clearance is incorrect - Have it adjusted.
Diesel power loss
Plugged air filter - Service or replace the air filter.
Fuel injection nozzles are dirty or defective - Test injection nozzles and change if necessary.
Improper fuel injection pressure - Adjust pressure to proper level.
Valve out of adjustment - Adjust valve clearance.
Low idle speed adjustment is incorrect - Adjust low idle speed.
Fuel lines or hoses are dirty - Fuel hoses and lines must be clean.
Leaking cylinder head gasket - Cylinder-head gasket replacement required.
Piston rings are worn or damaged - Change piston rings.
Engine is overheated
Lack of engine coolant - Refill to the correct level and inspect system for leaks.
Engine oil level low - Need to add engine oil.
Damaged radiator cap or dirty radiator core - Replace cap or clean radiator.
Fan belt is worn or faulty - Replace as required.
Engine overload - Load reducing is recommended.
Oil pressure is low
Engine oil level low - Need to add oil.
Oil filter is clogged - Replace or service engine oil filter.
Oil grade or viscosity is incorrect - Use proper viscosity oil.
Incorrect oil clearance in main bearing - Replace bearings.
Oil pump is damaged - Inspect and change as required.
Abnormal engine knocking or noise
Engine oil insufficient - Fill up the engine oil.
Low coolant temperature - Warm up to required temperature.
Improper setting of fuel injection pump timing - Adjust according to specifications.
Incorrectly set low idle speed - Adjustment required.
Fuel injector fault - Inspect fuel injectors and change as required.
Connecting rod is defective or misaligned - Need to change or align the connecting rod.
Pistons are scored or worn - Replace the pistons as required.
| Drive System Troubleshooting |
Drive system сan't work in either direction
Low hydraulic oil level - Need to add oil.
Drive chain is damaged - Inspect drive chain and replace faulty parts.
Relief valve worn or defective - Service or change relief valve.
Plugged hydraulic filter or suction line - Check, clean, or change if necessary.
Damaged or worn hand or foot controls - Repair or change.
Drive motor or pump is defective - Change or repair faulty component.
Power is too low
Dirty hydraulic oil filter - Replace or service hydraulic filter.
Relief valve is defective or open - Replace or close relief valve.
Transmission components are faulty or damaged - Inspect and replace faulty parts.
Input drive shaft is damaged - Repair or replace drive shaft.
There is air in the hydraulic system - Bleed hydraulic system.
Drive system is overheated
Hydraulic fluid is insufficient - Add fluid as required.
Hydraulic fluid filter is plugged - Change hydraulic filter.
Defective or worn relief valve - Change or repair defective relief valve.
Hydraulic motor or drive pump failure - Repair or replace faulty component.
Dirty oil cooler - Cooling fins need to be cleaned.
Overloaded drive system - Load should be reduced.
Drive system is noisy
Oil viscosity is too heavy - Use the specified type of oil.
Air in the hydraulic system - Bleed hydraulic system.
Hydraulic motor or drive pump is worn - Repair or change faulty component.
Mechanical parts of drive system are damaged or worn - Check drive system and change faulty parts.
| Hydraulics Troubleshooting |
Hydraulic system overheats
Hydraulic pressure is incorrect - Correct adjustment is required.
Unadjusted or defective main relief valve - Adjust relief valve or change if required.
Hydraulic oil contamination - The oil must be changed.
Hydraulic oil level is low - Check oil level and add hydraulic oil as required.
Hydraulic pump is faulty - Replace or repair pump if necessary.
Boom fails to lift or drop
Lift controls malfunction - Repair or change.
Hydraulic pump not working - Replace or repair pump if necessary.
Faulty hydraulic control valve - Change or repair hydraulic valve.
Damaged hydraulic cylinder - Repair or install a new lift cylinder.
Low hydraulic oil level - Checking hydraulic oil level and add if necessary.
Bucket does not function
Defective bucket controls - Inspect and repair if necessary.
Defective hydraulic pump - Replace or repair pump if necessary.
Faulty hydraulic control valve - Replace or repair the valve.
Damaged bucket cylinder - Install a new cylinder or repair it.
Low hydraulic fluid level - Fill up the hydraulic fluid.
Boom or bucket runs slowly
Hydraulic pump is defective - Flow-rate hydraulic pump and replace pump if necessary.
Hydraulic cylinder oil leakage - Repair leak by replacing the seals.
Hydraulic fluid level low - Add fluid as required.
Defective or not adjusted hydraulic control valve - Repair or adjust properly.
Low hydraulic pressure - Correct setting is required.
Lift arm or bucket is moving jerkily
Hydraulic system is leaking air - Air bleeding is required.
Dirty hydraulic oil filter element - Replace or clean the filter.
Hydraulic fluid contamination - The fluid must be changed.
Scored cylinder tube or rod - Replace failed component.
Hydraulic pump is noisy
Insufficient oil level or leaking hydraulic system - Top up hydraulic oil or remedy leakage in system.
Dirty hydraulic filter - Service or replace hydraulic filter.
Suction line clogging - Need to service the suction line.
Pump sucks air - Need to bleed air.
Pump components are worn out - Rebuild or install new pump.
| Electrical Troubleshooting |
Battery does not charge
Electrical cable connections are loose or corroded - Clean or tighten connections.
Faulty electrical terminal connectors - Install new terminal connectors.
Worn-out battery - Replace the battery.
Defective or loose belt - Adjust belt tension or install a new belt.
Starter cranks slow
Low battery output voltage - Charge the battery.
Battery is not holding charge - Service battery or replace it.
Wires are disconnected or battery terminals are corroded - Check wiring and clean or replace terminals.
Starter is not working
Battery is drained or worn - Charge or change the battery.
Battery wires are disconnected or incorrectly connected - Check wires and connect correctly.
Low battery output - Charge the battery.
Damaged starter motor - Starter should be replaced.
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| SKID STEER LOADERS SPECIFICATIONS |