HS81 CUT-OFF SAW — TROUBLESHOOTING (SAW)

TABLE 3. BLADE TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

Blade too hard for the material being

Consult Dealer or Multiquip for correct blade. Try cutting

 

very soft material (sandstone, silica brick, cinder block) to

 

cut?

 

"Redress" the blade.

 

 

 

 

 

 

Engine torque diminished because of

Tighten and/or replace V-Belts.

 

loose V-belt?

 

 

Blade slows or stops cutting.

 

 

Insufficient engine power?

Check throttle setting. Check Engine horsepower.

 

 

 

 

 

Improper direction of rotation?

Check that the blade is properly oriented and rotational

 

arrow points in a "Down-Cutting" direction.

 

 

 

 

 

 

Blade is slipping on the blade shaft?

Check that the blade & flange pin are properly installed on

 

the blade shaft.

 

 

 

 

 

 

Blade being used on misaligned saw?

Check blade shaft bearings and alignment integrity.

 

 

 

 

Blade is excessively hard for the

Check specification of the blade with the material being

 

material being cut?

cut. Consult Dealer or Multiquip for information.

 

 

 

Blade does not cut straight

Blade being used at improper RPM?

Ensure blade surface feet per minute speed (SFPM) is

approximately 6,000.

and/or true.

 

 

 

 

Blade improperly mounted on arbor

Ensure blade is properly affixed on the blade shaft.

 

shoulders and flanges?

 

 

 

 

 

 

Excessive force applied to blade while

DO NOT force the blade in the cut. Apply a slow and

 

cutting?

steady pace when sawing.

 

 

 

 

Blades too hard for the material being

Consult Dealer or Multiquip for correct blade. Try cutting

 

very soft material (sandstone, silica brick, cinder block) to

 

cut?

 

"Redress" the blade.

 

 

 

 

 

 

Blade improperly mounted on arbor

Ensure blade is properly affixed on the blade shaft.

 

shoulders and flanges?

 

 

 

 

 

 

Blade not receiving enough cooling

Ensure proper flow & volume of water is provided for wet

 

cutting blades. Ensure sufficient cooling air is circulated

Blade discoloring, crackling

water or air?

about a dry cutting blade.

and/or wearing excessively.

 

 

 

 

Arbor hole out of round?

Ensure blade is properly affixed on the blade shaft.

 

 

 

 

Incorrect blade chosen for material

Check specification of the blade with the material being

 

being cut?

cut. Consult Dealer or Multiquip for information.

 

 

 

 

Excessive force applied to blade while

DO NOT force the blade in the cut. Apply a slow and

 

cutting?

steady pace when sawing.

 

 

 

PAGE 26 — HS81 CUT-OFF SAW — OPERATION & PARTS MANUAL — REV. #4 (09/12/05)

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Multiquip manual HS81 CUT-OFF SAW Troubleshooting SAW, Blade Troubleshooting

HS81 specifications

The Multiquip HS81 is a high-performance, state-of-the-art concrete screed that has become a go-to equipment for contractors seeking efficiency and precision in surface finishing tasks. Designed with the professional contractor in mind, the HS81 excels in leveling and smoothing concrete surfaces, making it an essential tool for large scale construction projects.

One of the most notable features of the HS81 is its lightweight yet robust design. Weighing in at only 82 pounds, this screed can be easily handled by one person, allowing for efficient workflow without compromising strength and durability. Its aluminum frame is engineered to withstand harsh working conditions while ensuring longevity, reducing the need for frequent replacements or repairs.

The HS81 is equipped with a powerful 4-cycle engine, which delivers exceptional torque and performance. This engine is not only reliable but also fuel-efficient, enabling extended operation without the need for constant refueling. The screed features an adjustable handle that can be easily tailored to suit the operator's height, enhancing comfort during prolonged use.

In terms of technology, the HS81 incorporates advanced vibration control to produce a smooth and even finish. The screed’s unique vibration design minimizes the likelihood of concrete segregation, ensuring a consistent level of compaction throughout the surface. This innovative approach contributes to the screed's performance in achieving a professional-grade finish.

The HS81 also includes interchangeable strike-off blades, which can accommodate different types of concrete mixes and surface finishes. Whether a contractor is working with standard mixes or specialized formulas, the versatility of blade options allows them to achieve the desired results efficiently.

Another characteristic that sets the HS81 apart is its user-friendly design. The intuitive controls simplify operation, allowing even less experienced operators to achieve excellent results. Additionally, the maintenance requirements for the HS81 are minimal, meaning contractors can spend more time on the job site and less time troubleshooting equipment issues.

In summary, the Multiquip HS81 concrete screed stands out in the marketplace due to its lightweight design, powerful engine, advanced vibration control technology, and user-friendly features. It is a versatile, efficient, and reliable tool that helps contractors deliver outstanding results in concrete surface finishing, making it an invaluable asset to any construction crew.