HS81 CUT-OFF SAW Assembly Instructions, Drive V-Belt

HS81 CUT-OFF SAW — ASSEMBLY INSTRUCTIONS

During the assembly procedure of the cutting arm to the main

body; and prior to the final tensioning of the drive V-belt , it is essential that the drive V-belt is properly positioned around the crankshaft pulley (also see Figure 7).

Figure 8. Drive V-Belt

When the cutting arm is fully seated, you should be able to

	observe about 4 mm of thread showing past the nut				, and
	minimal gapping between the cutting arm and the crankcase.
	Re-install the caphead hex screw and washer			, and securely
	Re-install the caphead hex screw and washer			, and securely
	tighten.
Figure 9. Cutting Arm Hardware
	Walk the V-belt		onto the spindle pulley, and adjust the three
	nuts	until slightly snug.
	To adjust the V-belt tension, loosen the three nuts				.Tension
	the V-belt by turning the V-belt Tensioning Cam				until the
	the V-belt by turning the V-belt Tensioning Cam				until the

Cam locks in place, using the provided wrench G.The V-belt should remain in tension once the cam is properly positioned. DO NOT over tension.

Figure 10. V-Belt Tensioning

Fully tighten the three nuts


Re-install the cover guard		, and fully tighten the two cap
screws	and replace the adjustment knob		.

Figure 11. Re-Installing Cover Guard

HS81 CUT-OFF SAW — OPERATION & PARTS MANUAL — REV. #4 (09/12/05) — PAGE 17

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.