Dry Saw Operation, Diamond Blades and Blade Speed

FS2 CONCRETE SAW — OPERATION

Dry Saw Operation

WARNING

The operator must wear the appropriate protective equipment and clothing while engaged in sawing.

1.Ensure the proper DRY Cutting blade is selected for the job.

2.With the 14" blade guard, select the “MIST” position (misting water) or the “OFF” position on the console (Figure 6). If misting water is desired, the water source must be able to deliver 40 psi of pressure to ensure an optimum spray pattern.

3.The Water Misting system is designed to suppress the dust signature caused by dry sawing. The aerosol spray pattern and blade guard design greatly diminish the amount of dust that is created. The misting water also acts as an added coolant for the blade.

4.The preferred method of sawing is to step cut in increments of 2” (51mm). “ Step-cutting” provides the optimum opportu- nity for the blade to cut fast and last its longest. Airflow acts as a blade coolant during sawing. Cutting too deep with one pass, or exerting excessive forward/sideward pressure may damage the blade.

WARNING

Engine components can generate extreme heat.

Diamond Blades and Blade Speed

1.Diamond Sawing consists of cutting WET or DRY.

2.Matching the correct blade for the specific job and material being cut optimizes performance and value.

3.Selection of the proper diamond blade consists of:

λDetermining WET or DRY cutting

λMaterial to be Cut

λType of Saw Being Used

λHorsepower of Saw

λHardness Characteristics of the Material

λPerformance Expectations

4.Selecting the “grade” of diamond blade often defines the performance factors that can be achieved. Multiquip offers a variety of diamond blade grades to provide the desired level of valve and performance.

Finishing a Cut

1.Raise the blade out of the cut by cranking the Raise/Lower

handle counter-clockwise (Figure 6). Raise the blade high enough out of the cut to clear the surface and allow the saw to be maneuvered.

2.Move the engine throttle lever to the idle (SLOW) position (Figure 20).

3.Push the console engine ON/OFF button to the “OFF” position (Figure 6).

4. Set the engine ON/OFF switch to the “OFF” position (Figure 6).

5.Place the three-way water valve (Figure 17) in the “OFF” position (as required).

Blade Speed

1.A diamond blade’s performance is directly connected to specific peripheral (rim) speeds.

2.The following shaft rotational speeds have been factory set to ensure optimum blade performance.

λFS2 14” Capacity-3,200 RPM.

λFS2 18” Capacity-2,700 RPM.

WARNING

Operating saw blades at rotational speeds greater than those specified by the manufac- ture can cause blade damage, and may in- jure the user or others in the operating area.

PAGE 28 — MQ-WHITEMAN FS2 CONCRETE SAW — PARTS & OPERATION MANUAL — REV. #2 (11/08/01)