Husqvarna 450 manuel dutilisation Maintenance

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MAINTENANCE

Engine Oil

Checking, Adding and Changing Oil

Check the engine oil level (B) daily with saw fully lowered and the engine level. See the enclosed Robin manual for more details.

Use SAE 10W-30 viscosity detergent automotive type with API service class SE or higher grade oil.

Note: Engine holds approximately 0.6 quart (0.6 liter) when changing.

Changing the Oil

Change oil after the first 5 to 8 hours of use. Thereafter every 50 hours.

A

C

B

The oil drain hose (A) is located at the rear of the saw.

1.With the engine OFF but still warm, remove the brass cap and drain the oil in a pan.

2.Replace the brass cap on the oil drain hose.

3.Fill the engine at the oil fill cap (B) with 0.6 quart (0.6 liter) of oil. When full, the oil level should be at the high level mark on the dipstick or to the top of the threads on the engine fill hole.

The engine is equipped with an oil alert system that will stop the engine if the oil level is low.

NOTICE

Used oil is a hazardous waste product. Dispose of used oil properly. Do not discard with household waste. Check with your local authorities, service center, or dealer for safe disposal/recycling facility.

Air filter

The air cleaner assembly (C) is a cyclone type that can be accessed from the hood on the saw. The air cleaner element should be replaced every 50 hours. Refer to the supplied en- gine manual and the “Cyclone Dual-Filter-Element Type” for additional information.

ADDITIONAL ENGINE INFORMATION

Please see the Robin Operator’s Manual for additional information about servicing the engine.

The manual also has specific information about specifications, tune-up parts, engine warranty, emission compliance, etc.

Guards

Check all guards for damage and proper function daily espe- cially the blade block. Blade block and cover should be secure to the saw and not damaged. Lexan side covers on the blade block should move freely up and down.

Diamond blade

Inspect diamond blades daily for damage, cracks, secure fit to the arbor, loss of segments, warping or overheating. If any blade shows any of these problems, discard the blade and never use.

Skid plate

Inspect the skid plate daily for damage, excessive wear in the blade slot, burrs on the concrete surface side, twisting and free movement up and down when installed on the blade block. Replace the skid plate with each new diamond blade. Never reuse the skid plates or spalling and raveling may result.

Saw controls

Inspect all controls for proper function daily. Check all the in- terlocks for operation especially the engine on/off switch for proper operation.

Belt

Inspect the blade drive belt for cracks or signs of wear. The belt tension is controlled by belt tensioner and does not require adjustment. Inspect the belt tensioner for free movement up and down. Insure the belt tensioner bearings roll freely.

Blade shaft bearings

Lubricate the blade shaft bearings with 3 pumps of Lithium 12 based grease every 50 hours.

Cleaning

Clean the blade block of any excess concrete build up after each use. Keep the handle bar and controls clean and dry. Im- mediately clean any spilled fuel from the saw. Keep all open- ings and slot on the engine shrouding on the saw clean and open so air flows freely through the engine to insure proper cooling.

MAINTENANCE SCHEDULE

Check guarding, diamond blade,

Daily

skid plate, lexan covers, controls and oil levels.

Clean blade block assembly and saw.

Daily

Replace air cleaner.

Every 50 hours

Replace engine oil.

Every 50 hours

Grease blade shaft bearings.

Every 50 hours

Check blade drive belt and belt tensioner.

Every 50 hours

WARNING

Do not modify the saw! Use only Husqvarna Construc- tion Products replacement parts. Use of unauthorized parts may create a danger or damage the engine.

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Contents 450 Unpacking Transporting ContentsSound Data Personal Safety Equipment IntroductionSafety Hazards Safety DefinitionsRegister the Product Safety Warnings Personal SafetyExcel Series Blades Blade and Skid Plate InstallationStep What is What What is what?Operating Instructions Do not operate saw if there is a fuel leakOIL Handling Fuel HandlingProper Fuel Engine OILMaintenance Sawing Contraction Joints Concrete thickness, in. mm Maximum spacing, ft. mMaximizing the SOFF-CUT System Troubleshooting SAW is Spalling and Ravelling CUTTechnical Specifications Conformity CertificatesWarranty HusqvarnA Equipment Warranty505 41