retaining bolt.

Slip the Blade Shaft Wrench between the guard and the belt guard onto the latch lever. Raise the lever to unlatch and lift guard off spade.

To Install A SLIP-ON GUARD:

Lower guard onto spade until latch engages.

Install Bolt in rear of guard using the Blade Shaft

6 Starting The Saw

(See Figures 1, 2 and 5)

Always pay extreme care and attention to the preparation of the machine before starting.

Remove all wrenches and tools from the floor and the machine.

Always keep blade guard, belt guards and fan guards in place.

Follow all operating instructions and warnings in this manual and on the machine.

Close the Water Valve (1T).

Mark the surface to be cut by drawing a line where the cut is to be made.

Pull out Handle Bars (1B) to desired length and tighten Knobs (1A).

Lower the Front Guide (6D) and align the Front Guide (6D), Rear Guide (6F) and Diamond Blade (2E) with the line on the surface.

To start the saw when no water pressure is present, set the Water Safety Switch (1L) to “0” (OFF).

Set Speed Control Lever (1O) to the STOP (1BB) position. Saw will not start unless the Speed Control Lever (1O) is in the STOP (1BB) position. Check to be certain the Transmission Bypass Valve (5M) is closed in the down position.

Set the Blade Clutch Switch (1V) to “0” (OFF) (if equipped).

Start the engine using the Engine Start Switch (1H). Follow the procedure in the engine manual.

In Cold conditions, pre-heat the engine glow plugs by hold in the Engine Start Switch (1H) for 15 seconds.

Let the engine warm up for several minutes with Engine Throttle (1F) at the low speed setting.

When ready open the Water Valve (1T).

Set Water Safety Switch (1L) to “1”(ON).

Test for adequate water supply. (2.5 - 5.0 GPM) (10 - 20 Liters per Min.) Low water flow will cause damage to diamond blades.

Pull Throttle (1F) out to set engine RPM at 3000.

See chart for the appropriate blade shaft and engine speeds for specific blade sizes.

Move the saw forward or reverse slowly by pushing or pulling on the Speed Control Lever (1O). Move the saw slowly to prevent stalling the blade. Make sure the Front Guide (6D), Rear Guide (6F) and Diamond Blade (2E) stay on the line.

Set the Blade Clutch Switch (1V) to “1” (ON) to engage the Blade Drive (if equipped) ONLY AT IDLE SPEED OF ENGINE!

Lower the saw by pressing the Raise/Lower Switch (1P) on the Speed Control Lever (1O) downward until the Diamond Blade (2E) is at the desired cutting depth (See “Blade Cutting Depth Information”).

Be certain that water flow is abundant for wet sawing.

Blade Cutting Depth Information:

This saw is equipped with a Blade Depth Indicator (1Q) which indicates the depth (in inches or cm) at which the Diamond Blade (2E) is cutting. This saw also includes a Blade Depth Stop Switch (1M) which stops the cutting depth of the blade at a specified depth. The Blade Depth Stop Switch (1M) can be switched to the release position “0” when it is not required.

Use of the Blade Depth Indicator (1Q):

Turn the Engine Start Switch (1H) to the “0” (OFF) position to STOP the engine (If running).

Turn the Engine Start Switch (1H) to the “1” (RUN) position to power the electrical system.

Lower the Diamond Blade (2E) by pushing the Toggle Switch (1P) on the Control Lever (1O) downward until the Diamond Blade (2E) touches the surface to be cut.

Rotate the Blade Depth Indicator (1Q) to the left or right until the Blade Depth Indicator (1Q) aligns to the desired depth of cut. The uncut depth will now be indicated by the numbers aligned to the Depth Indicator (1Q) needle when the blade is lowered into the cutting surface. See page 26.

Raise the blade by pushing the Toggle Switch (1P) on the Speed Control Lever (1O) upward until the Diamond Blade (2E) is off of the cutting surface.

Turn the Engine Start Switch (1H) to the OFF position to turn off power to the electrical system.

Use of the Blade Depth Stop Switch (1M) (with the engine running):

Set the Blade Depth Stop Switch (1M) to the “0” (Off) position to override the depth stop setting. Saw will raise and lower over its full range without stopping.

Set the Blade Depth Stop Switch (1M) to “1” (ON) to activate the Blade Depth Stop feature. When lowering the saw the Depth Indicator Dial (1Q) will trip a micro switch and the saw will not lower any further producing the desired depth of cut.

Now the maximum cutting depth is set. If the saw is raised out of the cut surface for any reason it can now be lowered to this specified depth by lowering the blade into the cutting surface with the Raise/Lower (1P) on the Control Lever (1O).

51

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Husqvarna FS 6600 D, FS 8400 D manuel dutilisation Starting The Saw, See Figures 1, 2, Blade Cutting Depth Information

FS 6600 D, FS 8400 D specifications

Husqvarna has long been a trusted name in the world of professional outdoor power equipment, and its FS 6600 D and FSA 8400 D models exemplify the company's commitment to quality and performance.

The Husqvarna FS 6600 D is a powerful walk-behind concrete saw that is renowned for its exceptional cutting efficiency and robust design. Powered by a high-torque diesel engine, the FS 6600 D is engineered to handle tough, heavy-duty applications with ease. One of its standout features is its adjustable, heavy-duty frame that can accommodate various blade sizes, making it versatile for different cutting depths and applications. The saw's integrated water system helps to manage dust and keeps the blade cool during operation, resulting in cleaner cuts and prolonging blade life. Furthermore, the intelligent design of the FS 6600 D includes an easy-to-use control panel, ensuring operators can quickly start and adjust the saw without hassle.

On the other hand, the Husqvarna FSA 8400 D is part of Husqvarna’s range of professional grass trimmers, specifically designed for demanding tasks and prolonged use. Its lightweight yet robust design makes it an ideal choice for professionals who require mobility and efficiency. The FSA 8400 D features a high-capacity battery and an efficient brushless motor, ensuring powerful performance with minimal noise and vibration. The trimmer’s adjustable handle and ergonomic design allow users to maneuver easily, reducing fatigue during extended usage.

Both products also incorporate advanced technologies to enhance user experience. For instance, the FS 6600 D employs Husqvarna’s SmartStart technology, allowing for easier and faster starts. Similarly, the FSA 8400 D utilizes an intuitive control system that seamlessly integrates speed and power settings, optimizing performance based on the demands of the task at hand.

In summary, the Husqvarna FS 6600 D and FSA 8400 D are prime examples of innovative engineering combined with user-focused design. Their robust features, advanced technologies, and unmatched performance make them essential tools for professionals looking to excel in their trade. Whether cutting concrete or tidying up grassy areas, Husqvarna proves that it understands the needs of its users, delivering reliable solutions that stand the test of time.