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| Home / Skid Steer Loaders / Case Skid Steer Loaders / Case SR175B |
Case SR175B Troubleshooting
The
Case SR175B skid steer loader is powered by 135.2 cu.in (2.2L) Perkins
404F-E22TA 4-cylinder turbocharged intercooled diesel engine with a rated power
of 64 hp (47.6 kW) at 2800 rpm. The Case SR175B is equipped with a radial-lift
loader boom, one-speed or two-speed hydro transmission, ASA 80 drive chains, and
10.00x16.5 standard tires. The hydraulic system has a pump with fluid flow rate
of 20.6 gpm (78 lpm) or 30.7 gpm (116.2 lpm). The skid steer loader has a rated
operating capacity of 1750 lbs (790 kg) and tipping load of 3500 lbs (1590 kg).
The lift height is 122 inches (3100 mm) to hinge pin, and dump height is 97.2
inches (2470 mm).
| Engine Troubleshooting |
Engine hard to start or will not start
Air in fuel tank - Bleed fuel tank.
Fuel filter element clogging - Filter maintenance required.
Defective or clogged injection nozzle - Clean or change injection nozzles.
Water or dirt in fuel system - Drain, flush, and service the system.
Valve out of adjustment - Have it adjusted.
Damaged fuel injection pump - Rebuild or change fuel pump.
Diesel starts and stops
Dirty air cleaner - Clean or replace air cleaner element.
Fuel filter element clogging - Replace the filter element.
Fuel injection pump leakage - Check the fuel injection pump for leaks and fix it.
Defective or clogged fuel injectors - Test and replace fuel injectors if necessary.
Fuel injection pump is defective - Replacement or repair required.
Engine stops suddenly during operation
Coolant temperature is low - Warm up to required temperature.
Dirty fuel filter - Change filter element.
Air in the fuel pipes - Bleed the fuel pipes.
Fuel injection nozzles are faulty or clogged - Check injection nozzles and replace if required.
Incorrect adjustment of fuel injection pump timing - Check the fuel injection pump timing adjustment.
Engine stalling at idle
Incorrectly adjusted low idle speed - Correct the settings.
Fuel injection pump damage - Repair or change injection pump.
Fuel injector fault - Clean or replace fuel injectors.
Valve clearance is not correct - Adjustment procedure required.
Loss of engine power
Plugged air filter - Clean or change.
Clogged injection nozzle - Service or change injection nozzles.
Fuel injection pressure is wrong - Adjust to correct pressure.
Incorrect valve clearance - Adjust to proper valve clearance.
Incorrectly adjusted low idle speed - Correct low idle adjustment.
Dirt in the fuel hoses or lines - Fuel lines and hoses need to be cleaned.
Worn cylinder head gasket - Install a new gasket.
Worn or broken piston rings - Change piston rings.
Engine overheating
Insufficient coolant - Add coolant fluid to cooling system and also check it for leaks.
Low engine oil level - Need to add engine oil.
Faulty radiator cap or dirty radiator fins - Clean radiator or change cap.
Loose or damaged fan belt - Belt change is required.
Diesel engine is overloaded - Load reducing is recommended.
Oil pressure is insufficient
Engine oil level low - Need to add oil.
Oil filter clogged - Service or change engine oil filter element.
Incorrect oil viscosity - Use proper viscosity oil.
Excessive crankshaft bearing oil clearance - Replace bearings.
Defective oil pump - Install a new pump.
Engine knocking sound or abnormal noise
Insufficient engine oil - Fill up the engine oil.
Engine is not fully warmed up - Normalize the temperature by warming up the engine.
Wrong setting of fuel injection pump timing - Adjust the pump as required.
Low idle speed set incorrectly - 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.
Scored or worn pistons - Replace the pistons as required.
| Drive System Troubleshooting |
Machine is not moving forward or backward
Low hydraulic oil level - Fill the system to proper hydraulic oil level.
Drive chain is damaged - Inspect drive chain and replace faulty components.
Relief valve is stuck - Repair or install a new relief valve.
Clogged hydraulic filter or suction line - Replace hydraulic filter or clean suction line.
Foot or hand controls are defective - Inspect and repair if necessary.
Worn drive motor or pump - Repair or replace faulty component.
Low power
Clogged hydraulic oil filter - Replace hydraulic filter.
Faulty or opened relief valve - Close or change relief valve.
Defective or worn transmission parts - Inspect and change faulty parts.
Stuck input drive shaft - Repair or install a new drive shaft.
Air in the hydraulic system - Bleed air from system.
Drive system overheating
Hydraulic fluid level low - Checking hydraulic fluid level and add if necessary.
Hydraulic fluid filter is clogged - Replace or service hydraulic filter.
Relief valve is stuck - Repair or replace.
Defective drive pump or hydraulic motor - Inspect and replace as necessary.
Hydraulic oil cooler is dirty - Clean the cooling fins.
Overloaded drive system - Reduce the load.
Excessive noise
Oil viscosity is too heavy - Drain and refill with proper oil.
Air in the hydraulic system - Bleed air from hydraulic system.
Drive pump or hydraulic motor malfunction - Inspect and replace as necessary.
Mechanical parts of drive system are defective or worn - Check the parts for defect or damage and change if required.
| Hydraulics Troubleshooting |
Hydraulic system overheats
Hydraulic pressure incorrectly adjusted - Correct adjustment is required.
Faulty or improperly adjusted main relief valve - Adjust or replace the relief valve.
Hydraulic oil is contaminated - Hydraulic oil change required.
Hydraulic fluid level is low - Check and refill the hydraulic fluid.
Hydraulic pump is worn - Repair or change pump if required.
Lift arm does not lower or raise
Lift controls are damaged - Replace or repair.
Damaged hydraulic oil pump - Repair or change pump if required.
Faulty hydraulic control valve - Replace or repair the valve.
Defective hydraulic cylinder - Install a new boom cylinder or repair it.
Insufficient hydraulic fluid - Fill the system to proper hydraulic fluid level.
Bucket won't move
Bucket tilt controls are defective - Change or repair.
Hydraulic pump malfunction - Change or repair hydraulic pump if required.
Defective hydraulic control valve - Change or repair hydraulic valve.
Hydraulic bucket cylinder not working - Replace or repair cylinder.
Insufficient hydraulic fluid - Fill up the hydraulic fluid.
Slow bucket or lift arm operation
Faulty hydraulic oil pump - Test the pump performance and change pump if required.
Hydraulic cylinder oil leakage - Change cylinder piston seals.
Low hydraulic oil level - Need to add oil.
Damaged or incorrect adjusted hydraulic control valve - Adjust properly or repair.
Hydraulic pressure has dropped - Correct adjustment is required.
Bucket or boom is jerky
Air in the hydraulic system - Bleed air from system.
Hydraulic oil filter is dirty - Clean or replace the filter.
Hydraulic fluid is contaminated - The fluid must be changed.
Scratched cylinder rod or tube - Replace worn component.
Hydraulic pump is excessively noisy
Hydraulic system leaking or not enough oil - Refill hydraulic oil or repair leaks in system.
Hydraulic filter clogging - Replace or clean the filter.
Suction line is dirty - Service the suction line.
Air trapped in hydraulic pump - Need to bleed air.
Damaged pump components - Rebuild or change hydraulic pump.
| Electrical Troubleshooting |
Battery will not charge
Corroded or loose cable connections - Service or tighten connections.
Battery terminal clamps are defective - Change terminal clamps.
Battery is defective - Battery replacement required.
Belt is defective or loose - Belt needs to be adjusted or replaced.
Starter motor turns slow
Low battery voltage - Battery is drained, charge it.
Battery discharges quickly - Service charging system or change battery.
Bad terminals or disconnected battery cables - Connect wiring properly or install new terminals.
Starter is not working
Battery is discharged or worn - Change or recharge battery.
Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly.
Low battery output - Charge the battery.
Defective starter motor - Repair or install a new starter.
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| SKID STEER LOADERS SPECIFICATIONS |