Operation

Before connecting any of the flexible shafts referenced in this manual, please read all operating instructions relating to the drive motor associated with the flexshaft.

Using the wrong drive motor can adversely affect the performance of the flexshaft/vibrating head. Selecting too large a flexshaft/vibrating head combination will overload the motor and cause excessive wear.

1.Hold vibrator head above concrete pour when starting drive motor. This will prevent the vibrator head from bouncing on hard surfaces which could damage the bearings.

2.Keep flexshaft (Figure 7) straight as possible when operating. Sharp bends increase the load on the core and drive motor, which will result in early core failure and possible damage to the drive motor.

1-1/2 TIMES AREA

FLEX-SHAFT

OF INFLUENCE

VIBRATOR HEAD

6.Slowly lift the head out of the mix using an up and down movement. This slight up and down movement will close the hole formed by the vibrator.

7.When lifting the head out of the concrete, withdraw slowly at a rate of about 3 sec./ft. Using this technique will avoid the re-trapping of air.

8.When near the top of the mix, withdraw the vibrator quickly.

9.Re-insert vibrator into mix according to the "area of influence" See Figure 7. Establish a symmetrical overlapping pattern for inserting and removing the vibrator head.

10.If concrete is poured in layers, allow vibrator to pass within 3 to 6 inches (76 to 152 mm.) into next layer to ensure the knitting of the two layers. The complete bonding of layers will prevent "lift lines" when forms are removed.

NOTICE

DO NOT use vibrator to move concrete laterally. This will cause segregation of the concrete. Use a shovel or similar device to spread the concrete.

CORRECT	VIBRATOR HEAD	INCORRECT

Figure 7. Vibrator Head Insertion

3.With the drive motor properly plugged into the correct power source, turn the ON/OFF switch to the "ON" position.

4.Completely immerse the vibrator head quickly into the concrete mix at a vertical rate of about one foot per second (0.3 meters/second). Vibrate concrete for about 5 to 15 seconds for wet mixes. For stiff mixes, vibrate 2-3 minutes.

5.Stop vibration of concrete mix when concrete has a level, glossy surface and there are no breaking air bubbles.

cv sERIES vibrator motor • operation and parts manual — rev. #0 (04/30/13) — page 19

CV3A/3B, CV1A, CV2a/2B specifications

Multiquip has established a strong presence in the construction and equipment rental industries with its versatile range of products, including the CV2A/2B, CV1A, and CV3A/3B concrete vibrators. These models are designed to enhance the efficiency and quality of concrete placements, making them essential tools for contractors and construction professionals.

The CV2A and CV2B are two models that stand out due to their user-friendly design and powerful performance. Both models feature a robust 1.5 HP electric motor that delivers consistent vibration to ensure uniform consolidation of concrete. The CV2A model is equipped with a 10-foot shaft, while the CV2B provides a longer 12-foot shaft, making them suitable for a variety of applications, from small to large pours. The ergonomic handle and lightweight construction allow for easy maneuverability, reducing operator fatigue.

The CV1A, on the other hand, is a more compact option that excels in smaller job sites and tight spaces. It features a 1 HP motor and a 6-foot shaft, making it perfect for residential projects and delicate applications. Its simple, straightforward controls make it easy for operators to achieve optimal vibration levels without extensive training.

For larger-scale operations, the CV3A and CV3B vibrators deliver unparalleled performance, capable of handling substantial concrete loads with ease. Both the CV3A and CV3B feature powerful 2 HP motors and longer shaft lengths, with 10 feet for CV3A and 12 feet for CV3B. These models are designed for heavy-duty applications, making them ideal for commercial and industrial construction projects.

One of the standout features across all these models is their durable construction. Built with high-quality materials, they can withstand the rigors of daily use on construction sites. Additionally, the vibrators are designed with maintenance in mind, featuring accessible components that streamline upkeep and repairs.

Furthermore, Multiquip's focus on safety is evident in these models, which include protective features to prevent overheating and electrical overloads. This commitment to safety, combined with their powerful performance and innovative design, makes the Multiquip CV2A/2B, CV1A, and CV3A/3B concrete vibrators reliable choices for any concrete-related task, ensuring solid results and increased productivity on the job site.