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Home / Skid Steer Loaders / Bobcat Skid Steer Loaders / Bobcat 732

Bobcat 732 Troubleshooting

The Clark Bobcat 732 skid steer loader driveline system components: a 98 cu.in (1.6L) Ford 1498 four-cycle four-cylinder gasoline engine with a rated power of 30 hp (22 kW), and single-speed hydrostatic transmission. The hydraulic system has a pump with a rated capacity of 11 gal/min (42 l/min). The system relief pressure is 2500 psi (172 bar). The Clark Bobcat 732 is equipped with a radial-lift loader boom, 80H roller drive chains, and 7.00x15 standard tires. The skid steer loader has a maximum lift height of 109" (2770 mm) to hinge pin and dump height of 88.4" (2245 mm). The rated operating capacity is 1300 lbs (590 kg), and tipping load is 2670 lbs (1210 kg).

Engine Troubleshooting

Engine will not start or difficult to start
Fuel tank is empty - Add fuel.
Low-quality gasoline - Use correct gasoline grade.
Air in fuel system - Bleed fuel system.
Spark plug wire is loose or disconnected - Inspect spark plug wiring connection, change or repair.
Damaged spark plug - Install new spark plug.
Defective ignition - Inspect ignition system and change faulty parts.
Fuel filter is clogged - Fuel filter needs to be replaced.
Dirt in the fuel lines - Clean fuel lines.
Fuel pump is defective or dirty - Clean or change fuel pump.
Carburetor malfunction - Check and repair as required.
Low compression - Check and replace worn parts.

Irregular engine running
Defective ignition - Inspect ignition system and change failed components.
Clogged air filter - Clean or change filter.
Defective spark plug - Spark plug need to be replaced.
Clogged or defective fuel pump - Check fuel pump and replace if necessary.
Improper valve clearance - Adjust valve clearance.
Ignition timing is wrong - Ignition timing needs to be set properly.
Improperly adjusted low idle speed - Correct the settings.

Engine starts but then stops
Damaged spark plug - Install new spark plug.
Dirty or defective carburetor - Carburetor needs to be replaced or cleaned.
Faulty ignition coil - Replace ignition coil as necessary.
Loose or worn valve springs - Replace valve springs.
Valves sticking - Service the valves.

Engine overheating
Insufficient engine oil - Check and refill engine oil.
Engine overload - Load reducing required.
Carburetor fuel mixture is too lean - Adjust carburetor correctly.
Bad ignition timing - Set the ignition timing properly.
Valve setting is incorrect - Adjust valves as required.
Radiator fins are dirty or radiator cap is defective - Replace cap or clean radiator.
Engine coolant is insufficient - Add coolant and check the components of cooling system.
Thermostat is faulty - Change thermostat.
Water pump is defective - Install new water pump.

Engine noise or knocking
Stale or low octane fuel - Change gasoline.
Engine is overloaded - Reduce load.
Engine oil level is low - Need to add engine oil.
Incorrect low idle setting - Need to adjust idle speed.
Fuel pump is defective or dirty - Clean or install new fuel pump.
Main bearings or crankshaft failure - Crankshaft or bearings need to be replaced.
Excessive valve clearance - Need to adjust valve clearance.
Cylinder bore or piston rings are worn - Change faulty components.

Engine lacks power
Clogged or incorrectly adjusted carburetor - Clean or properly adjust carburetor.
Air filter is dirty - Change or clean air filter.
Clogged or damaged fuel pump - Check fuel pump and change if required.
Ignition system failure - Inspect ignition system and change failed components.
Blown cylinder head gasket - Cylinder-head gasket replacement required.
Valves are burned or stuck - Replace or clean valves.
Worn cylinder block parts - Replace defective components.
Plugged oil filter - Clean or replace oil filter.

High fuel consumption
Clogged air filter - Replace or service air filter.
Improper carburetor main jet adjustment - Adjust the carburetor main jet correctly.
Faulty or loose spark plug - Change or re-tighten spark plug.
Ignition timing is incorrect - Adjust ignition timing correctly.
Valves are worn, stuck, or burned - Replace or clean valves.
Worn sleeve, piston, or rings - Replace faulty components as required.
Valve clearance is incorrect - Check and adjust.
Engine has low compression - Check cylinder block and replace defective parts.

Excessive oil consumption
Worn seals or gaskets - Replace defective parts.
Worn valve guides and valve stems - Need to replace the valves.
Piston rings are seized or worn - Install new piston rings.
Scuffed cylinder liner or piston - Check piston and liner, replace as required.

Engine backfires
Carburetor mixture is too lean - Adjust carburetor correctly.
Dirty fuel lines - Service fuel lines.
Incorrect ignition timing - Set the ignition timing properly.
Wrong valve setting - Valves needs to be adjusted properly.
Air filter element is plugged - Service or replace air filter.

Drive System Troubleshooting

Machine is not moving forward or backward
Insufficient hydraulic fluid - Fill up the hydraulic fluid.
Drive chain failure - Inspect drive chain and replace defective parts.
Worn or defective relief valve - Service or change relief valve.
Suction line or hydraulic filter is plugged - Service suction line or change hydraulic filter.
Worn or defective hand or foot controls - Inspect and repair if necessary.
Drive pump or motor malfunction - Replace or repair faulty component.

Reduced power
Hydraulic oil filter is clogged - Replace or service hydraulic filter.
Relief valve is damaged or open - Close or replace relief valve.
Defective or worn transmission parts - Check and replace faulty components.
Input drive shaft failure - Replace or service the drive shaft.
Air leaks in hydraulic system - Bleed air from system.

Overheated drive system
Hydraulic fluid level low - Checking hydraulic fluid level and add if necessary.
Plugged hydraulic fluid filter - Replace or service hydraulic filter.
Relief valve is worn or damaged - Change or repair relief valve.
Defective drive pump or hydraulic motor - Inspect and change as required.
Hydraulic oil cooler is plugged - Cooling fins need to be cleaned.
Drive system overload - Reduce drive system load.

Excessive noise
Wrong oil viscosity - Use correct oil viscosity.
Air in hydraulic system - Bleed air from hydraulic system.
Drive pump or hydraulic motor is damaged - Change or repair faulty component.
Mechanical components of drive system are worn or damaged - Check the components for defect or damage and change if necessary.

Hydraulics Troubleshooting

Hydraulic system overheats
Hydraulic pressure is incorrect - Adjust it correctly.
Misadjusted or defective main relief valve - Adjust or replace the relief valve.
Hydraulic fluid is contaminated - The fluid must be changed.
Hydraulic fluid level is insufficient - Need to add fluid.
Faulty hydraulic oil pump - Install new pump or repair it.

Boom cannot be lowered or raised
Lift controls are damaged - Inspect and repair if necessary.
Hydraulic pump is broken - Install new pump or repair it.
Hydraulic control valve malfunction - Repair or replace hydraulic valve.
Damaged hydraulic cylinder - Repair or change hydraulic cylinder.
Hydraulic fluid is insufficient - Checking hydraulic fluid level and add if necessary.

Bucket does not function
Bucket tilt controls malfunction - Replace or repair.
Damaged hydraulic oil pump - Change or repair hydraulic pump if required.
Damaged hydraulic control valve - Install a new valve or repair it.
Hydraulic bucket cylinder is broken - Install a new cylinder or repair it.
Hydraulic oil is insufficient - Checking hydraulic oil level and add if necessary.

Bucket or lift arm is working slowly
Defective hydraulic pump - Test pump performance and replace pump if necessary.
Leaking hydraulic cylinder - Correct leakage by changing the seals.
Hydraulic fluid level low - Fill up the hydraulic fluid.
Damaged or incorrect adjusted hydraulic control valve - Set properly or repair.
Hydraulic system loosing pressure - Adjust it correctly.

Jerky operation of the bucket or boom
Hydraulic system is leaking air - Air bleeding is required.
Hydraulic oil filter element clogging - Service or change the hydraulic filter.
Contaminated hydraulic oil - Hydraulic oil change required.
Cylinder tube or rod is scored - Replace failed component.

Hydraulic pump makes excessive noise
Lack of oil or hydraulic leakage - Add hydraulic oil or correct system leaks.
Hydraulic filter is dirty - Service or change hydraulic filter.
Suction line clogging - Need to service the suction line.
Air trapped in hydraulic pump - Bleed air from hydraulics.
Damaged pump parts - Rebuild or install new pump.

Electrical Troubleshooting

Battery cannot be charged
Corroded or loose wire connections - Tighten or service connections.
Battery terminal clamps are faulty - Replace terminal clamps.
Battery dead cell - Battery replacement required.
Belt is worn or loose - Adjust belt tension or change the belt.

Starter motor turns slow
Low battery capacity - Charge the battery.
Battery won’t hold charge - Service or change the battery.
Disconnected cables or faulty battery terminals - Check battery wires and service or replace terminals.

Starter will not work
Battery is low or faulty - Recharge or replace battery.
Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly.
Low battery power - Charge the battery.
Starter motor failing - Repair or replace starter.

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SKID STEER LOADERS SPECIFICATIONS