Inspection – Multiquip SP2S20H User Manual
Page 24
page 24 — Sp2S20h paVeMeNT SaW • operaTioN MaNual — reV. #1 (02/17/12)
uniform about the rim of the blade, and not succumbing
to an “under cutting” condition brought about by highly
abrasive material or improper under cutting core
protection.
4.
Directional arrow — Check to ensure that the blade
is oriented properly on the blade shaft for sawing.
Reference the directional arrow in the blade and place
it so the direction of rotation “downcuts” with the turn
of the shaft.
5.
Diamond Segment or rim — Ensure there are no
cracks, dings, or missing portions of the diamond
segment/rim.
Do NoT use a blade that is missing
a segment or a portion of the rim. Damaged and/or
missing segments/rims may cause damage to your saw
and injury to the user or others in the operating area.
6.
Specifications — Ensure that the blade specifications,
size, and diameter properly match up to the sawing
operation. Wet blades must have water to act as a
coolant. Utilizing a diamond blade not matched properly
to the task may result in poor performance and/or
blade damage.
7.
arbor hole — It is essential that the arbor hole
diameter properly matches the blade, and that it is free
from distortions. Correct blade flanges (collars) must
be used. The inside face of the flanges must be clean
and free of debris. An out of round arbor condition will
cause damage to the blade and the saw.
8.
MaX rpM — This RPM reference is the maximum
safe operating speed for the blade selected.
NeVer
exceed the max RPM on the diamond blade. Exceeding
the MAX RPM is dangerous and may cause poor
performance and damage the blade. All blades must
be designed to meet or exceed the maximum spindle
RPM.
CauTioN
Failure to thoroughly inspect the diamond blade for
operational safety could result in damage to the blade
and the saw, and may cause injury to the user or others
in the operating area. All damaged blades must be
discarded.
inspectiOn
BlaDe SeleCTioN
Selecting the diamond blade type and grade defines how
the blade will perform both in cutting speed and blade life.
Selection of the proper diamond blade depends on the
following factors:
Material to be Cut
Type of Saw Being Used
Horsepower of Saw
Hardness Characteristics of the Material
Performance Expectations
Factors for sawing economy are:
Type of Blade
Depth of Cut
Sawing Speed
Characteristics of the Material Being Cut
BlaDe SpeeD
A diamond blade’s performance is directly connected to
specific peripheral (rim) speeds.
The following shaft rotational speeds have been factory set
to ensure optimum blade performance:
SP2S20H - Engine RPM: 3,600
SP2S20H - Blade Shaft RPM: 2,270
20" Diamond Blade SFPM: 11,880
18" Diamond Blade SFPM: 10,692
16" Diamond Blade SFPM: 9,504
14" Diamond Blade SFPM: 8,316
CauTioN
Operating saw blades at rotational
speeds greater than those specified
by the manufacturer can cause blade
damage,and may injure the user or others
in the operating area.