PowerFloat models are multi-purpose adjustable, versatile tools that can incorporate a variety of grinding accessories, attachments, and multiple methods of operation. This section presents "how to guides" for all current PowerFloat models, as well as supplementary equipment and accessories.

 

PowerFloat - All Models

Changing the Grinding Wheel

Installing Diastema Burrs

PowerFloat - Electric Model

Adjusting the Speed of the Motor (Trigger Switch and Lock Slide)

Using the Electric Plug-In in Variable-Speed Hands-Free Mode (Quick Grip Clamp)

Operating the Electric Plug-In in Wet Environments

PowerFloat - Cordless Model

Using the Cordless Model in Hands-Free Mode

Charging the Battery Pack

PowerFloat - Quick Connect Model

Using the Quick Connect in Hands-Free Mode

Charging the Battery Pack

PowerLite III

Changing the Batteries

Using a PowerLite with a Non-Magnetic Speculum

Attaching the PowerLite Inside and Outside the Mouth

 

 

CHANGING THE GRINDING WHEELS

1. Rotate the black metal ring cover (C) (Fig. 1) to expose the opening in the housing shaft. The drive shaft inside the housing shaft has an opening into which a small pin (such as an Allen key or nail) (B) (Fig. 1) can be inserted to lock the shaft and prevent it from turning while changing the grinding wheel. Note: Do not use a hypodermic needle to lock the drive shaft.

2. Insert a small allen key or nail (B) (Fig. 1) to lock the driveshaft.

3. Grasp the top of the grinding wheel with small sized vice-grips (pictured in Fig. 2). Rotate the grinding wheel counterclockwise to loosen.

(Most hardware stores carry a very small sized vice-grip plier. Larger size pliers have jaws that are too thick to insert between the wheel margin and the guard.)

4. Unscrew and remove the used grinding wheel.

5. Put the new grinding wheel into place.

6. Using fingers, thread the new grinding wheel into place turning clockwise until finger tight.

7. Remove shaft lock pin (B) and replace metal cover (C).

installing-wheel-01.jpg installing-wheel-02.jpg
Fig. 1 Fig. 2

 

INSTALLING DIASTEMA BURRS

1. To install a diastema burr, first remove the grinding wheel from the PowerFloat (see instructions for removing a grinding wheel).

2. Thread the diastema burr into the grinding head and turn it clockwise until finger-tight (Fig. 2). The diastema burr is now ready for operation

4. To remove the diastema burr, lock the drive shaft (Fig. 1). Uunscrew the diastema by turning it counter-clockwise (Fig. 3).

Note: It may be necessary to use a pair of pliers (pictured in Fig. 3) to grasp the burr at its base in order to loosen it, since burrs may become tighter after operation with PowerFloat models.

installing-diastema-burr01.jpg installing-diastema-burr02.jpg installing-diastema-burr03.jpg
Fig. 1 Fig. 2 Fig. 3

 

ADJUSTING THE SPEED OF THE MOTOR (TRIGGER SWITCH AND LOCK SLIDE)

Trigger Switch

1. Make certain that the trigger switch is in the off position before connecting the PowerFloat electric plug to a ground fault circuit interrupter which in turn is connected to an electric outlet.

2. Squeeze the trigger switch (A) (Fig. 1) to start the motor rotating. As the trigger switch is squeezed with increased pressure, the motor speed increases. To stop the motor, fully release all pressure on the trigger switch (A).

The trigger switch has a varible speed capability of 0-4000 rpms. During floating procedures the variable speed trigger allows the veterinarian to grind from ranges of low rpm speeds or at higher speeds, depending on the task being completed.

trigger-switch-01.jpg trigger-switch-02.jpg trigger-switch-03.jpg
Fig. 1 Fig. 2 Fig. 3

Using the Slide Lock

Note: Only the electric plugin model has a trigger lock.

1. In order to lock the trigger at a 4000 rpm setting, depress the trigger (A) (Fig. 1) all the way down.

2. At this point the Lock Slide (B) (Fig. 1) can be moved upwards into the engaged position (Fig. 3). In this position, the trigger will become locked at this rpm setting, allowing hands-free operation of the PowerFloat.

3. To disengage the Lock Slide and stop the trigger switch, squeeze and release the trigger (A) (Fig. 1). The slide will automatically disengage and the motor will stop. There is no need to move the Lock Slide manually in order to disengage the motor.

 

USING THE ELECTRIC PLUG-IN MODEL IN VARIABLE-SPEED HANDS-FREE MODE (QUICK GRIP CLAMP)

To operate the Electric Plugin model in hands-free mode at variable speeds (other than maximum rpm), a Quick Grip Clamp accessory has been included with all Electic Plugin kits. This clamp allows the veterinarian to set the motor speed at any point between 0-4000 rpm, while also allowing hands-free operation of the float.

Quick Grip Clamp:

1. The trigger vise is placed around the handle of the gun so that when tightened it depresses the trigger switch (Fig. 2).

2. Gradually tighten the trigger vise by squeezing the trigger on the clamp (B) (Fig. 1). Once a desirable low rpm speed is found then begin floating without need for a hand on the trigger.

3a. To disengage, press the release trigger on the Quick Grip (A) (Fig. 1) or simply remove the vice completely from the PowerFloat's handle.

3b. Alternatively the Quick Grip clamp can be loosened by applying pressure to the smaller release trigger (A) (Fig. 1) that is situated above the the main trigger. Applying pressure here will immediately release pressure on the PowerFloat's trigger switch and stop the motor.

It is important to become familiar with the quick-grip device and practice using it properly before utilizing it in a clinical setting.

quickgrip-01.jpg quickgrip-02.jpg
Fig. 1 Fig. 2

 

OPERATING THE ELECTRIC PLUG-IN IN WET ENVIRONMENTS

The electric plugin model of the PowerFloat should not be used in a wet environment. The electric plugin model should always be plugged into a ground fault circuit interrupter which in turn is plugged into an electric outlet to protect the patient and operator from electric shock. Do not plug the PowerFloat directly into and electric outler unless that outlet has ground fault circuit interrupter protection. Keep the working area clean, free from obstacles, and dry. Do not allow small children to come into the working area.The Powerfloat should not be used if the footing is wet or muddy. The veterinarian should wear examination gloves. The PowerFloat should be kept clean and dry. In order to keep the float dry the veterinarian should always have a dry towel on hand to wipe any moisture from the electric drill housing and trigger switch. Periodically the horse's mouth will have to be flushed with water. After flushing out the mouith, allow all the water to run out of the mouth before beginning the floating procedure. Use a towel to keep hands dry after digital examination of the mouth. Always suspend the electrical cord from an elevated position to keep it from laying on the ground. Periodically blow out all PowerFloat drill air vents with compressed air to keep the motor from accumulating dust and grime. After unplugging the PowerFloat from the electrical supply clean the plastic parts only with a damp cloth. Do not clean with solvents. In humid environments wrap the PowerFloat drill portion in a dry towel for storage.

 

USING THE CORDLESS MODEL IN HANDS-FREE MODE

The Cordless model of the PowerFloat does not include a Lock Slide switch. In order to operate the Cordless model without grasping the trigger switch a locking device must be used. Operations such as incisor floating are easier for some veterinarians to do if they do not have to hold onto the trigger switch with one hand. With one hand free, it becomes easier to handle the float shaft with one hand and control the grinding surface with the other hand during some incisor reductions.

To operate Cordless models in hands-free mode, a Quick Grip Clamp accessory has been included with all Cordless kits. This clamp allows the veterinarian to set the motor speed at any point between 0-4000 rpm, while also allowing hands-free operation of the float.

Quick Grip Clamp:

1. The trigger vise is placed around the handle of the gun so that when tightened it depresses the trigger switch (Fig. 2).

2. Gradually tighten the trigger vise by squeezing the trigger on the clamp (B) (Fig. 1). Once a desirable low rpm speed is found then begin floating without need for a hand on the trigger.

3a. To disengage, press the release trigger on the Quick Grip (A) (Fig. 1) or simply remove the vice completely from the PowerFloat's handle.

3b. Alternatively the Quick Grip clamp can be loosened by applying pressure to the smaller release trigger (A) (Fig. 1) that is situated above the the main trigger. Applying pressure here will immediately release pressure on the PowerFloat's trigger switch and stop the motor.

It is important to become familiar with the quick-grip device and practice using it properly before utilizing it in a clinical setting.

quickgrip-01.jpg quickgrip-02.jpg
Fig. 1 Fig. 2

 

CHARGING THE BATTERY PACK

Each PowerFloat Cordless kit includes two (2) DC batteries and one (1) battery charger* (examples pictured in Fig. 1).

1. Plug the battery charger into an appropriate electrical outlet, including wall outlets or car chargers (sold seperately).

2. Insert the battery into the charger until the battery is nearly flush with the top of the charger. A flashing red light will indicate that the battery is charging. When the light stops flashing the battery is charged. The time needed to charge one battery is approximatley one hour.

3. Once the battery is fully charged, remove it from the charger and insert it into the PowerFloat for continued operation.

Charging should take place only in ambient temperatures of between 0° celsius (32° F) and 38° celsius (100° F). Charging in ambient temperature below freezing or above 38° celsius can result in permanent damage to the battery or decrease the life of the battery. It is important not to run the battery down to zero power before recharging. Dewalt batteries can be recharged at any time during use without having any effect on the charging memory of the battery. Keep batteries away from any flame. If exposed to high temperatures batteries can explode and cause injury.

*Car battery chargers can be purchased from DeWalt outlets. Rapid (15 minute) chargers can also be purchased. In order to do large numbers of horses it is usually necessary to carry 3 batteries and 2 chargers. This amount of reserve will ensure that there is enough battery power to work all day without delays due to charging.

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Fig. 1

 

USING THE QUICK CONNECT IN HANDS-FREE MODE

The Quick Connect model of the PowerFloat does not include a Lock Slide switch. In order to operate the Quick Connect model without grasping the trigger switch a locking device must be used. Operations such as incisor floating are easier for some veterinarians to do if they do not have to hold onto the trigger switch with one hand. With one hand free, it becomes easier to handle the float shaft with one hand and control the grinding surface with the other hand during some incisor reductions.

The Quick Connect model can accommodate a short rotary shaft attachment which has a carbide burr that also can be used for incisor reductions. With the short shaft, the hands-free mode is usually not necessary.

To operate Quick Connect models in hands-free mode, a Quick Grip Clamp accessory has been included with all Quick Connect kits. This clamp allows the veterinarian to set the motor speed at any point between 0-4000 rpm, while allowing hands-free operation of the float.

Quick Grip Clamp:

1. The trigger vise is placed around the handle of the gun so that when tightened it depresses the trigger switch (Fig. 2).

2. Gradually tighten the trigger vise by squeezing the trigger on the clamp (B) (Fig. 1). Once a desirable low rpm speed is found then begin floating without need for a hand on the trigger.

3a. To disengage, press the release trigger on the Quick Grip (A) (Fig. 1) or simply remove the vice completely from the PowerFloat's handle.

3b. Alternatively the Quick Grip clamp can be loosened by applying pressure to the smaller release trigger (A) (Fig. 1) that is situated above the the main trigger. Applying pressure here will immediately release pressure on the PowerFloat's trigger switch and stop the motor.

It is important to become familiar with the quick-grip device and practice using it properly before utilizing it in a clinical setting.

quickgrip-01.jpg quickgrip-02.jpg
Fig. 1 Fig. 2

 

CHANGING POWERLITE BATTERIES

The PowerLite III case is designed to hold 6 AA batteries. Rechargable batteries are readily available and offer a very economical solution to power the light. Car chargers for these batteries can be purchased. The rechargable batteries have a longer life than do the regular batteries sold at most outlets.

1. Open the velcro flaps at the top of the case and carefully remove the battery pack housing.

2. First remove the center battery, then each remaining battery. There are 3 batteries on each side of the battery housing.

3. To install new batteries first install 2 batteries on either side of the center slot.

4. After the 2 side batteries are installed then the center battery can be pressed into place. The batteries must be installed with the positive poles and negative poles of each battery in the proper position as marked on the battery case.

5. Once all 6 batteries have been replaced, carefully return the battery housing inside the PowerLite case and then close the velcro flaps at the top.

 

USING A POWERLITE WITH A NON-MAGNETIC SPECULUM

Some full mouth speculums are made of stainless steel which does not have any ferrous component. If no iron is present in the incisor plates the magnet will not attach to the incisor plate. In this case one of the galvanized strips of metal supplied with the PowerLite can be trimmed to fit and applied to the undersurface of the upper incisor plate of the speculum.

1. First clean the metal surface of the speculum thoroughly and allow it to dry.

2. Next mark and fit the metal strip to the underside of the upper incisor plate.

3. Remove the adhesive strip covering of the plate and press that side of the plate onto the incisor plate. Use clamps to keep the plate tightly adhered to the incisor plate in a warm environment for at least 2 hours. Under usual conditions the plate will stay tightly adhered for up to a year before replacement is necessary.

Additional plates can be obtained from PowerFloat Inc.

 

ATTACHING THE POWERLITE INSIDE AND OUTSIDE THE MOUTH

The PowerLite has a battery pack which can be damaged if it is attached to an area on the speculum that can elicit a sharp blow to the battery pack. This can occur if a horse begins to shake his head violently when the speculum is opened. For this reason it is important to attach the PowerLite to an area that is not going to produce a hard blow to the battery case. Desirable places to attach the caribiner are as follows:

1. Loosen one of the loops of the rope of the cleat on the PowerFloat dental halter. Attach a large key ring or snap ring to the rope at the front of the cleat. Attach the PowerLite carbiner to the ring on the cleat. This position is very good because it is easily accessible, it is out of the way of the work area, and it does not move if a horse begins to violently shake its head when the speculum is opened.

2. Attach the carbiner of the PowerLite to the buckle of the nose band of the speculum. This position is safer than on the side straps that are connected to the metal of the speculum. The nose band is not near enough to any metal on the speculum that could cause impact to the battery pack.

3. Attach the carbiner of the PowerLite to the upper part of the head stall straps so that the battery pack is well above the level of the metal on the side of the speculum. Do not attach the cabiner and battery pack to the side straps that are in close proximity to the steel on the side of the speculum. Head shaking can cause the battery pack to hit the steel hard enough to crack the batteries or battery pack.

The LED and its magnetic case should be placed on the under side of the upper incisor plate of the speculum for optimal lighting of the mouth.The light case can be moved from side to side or just slightly swivelled from a central position to shine first on one side of the mouth then the other. It can be removed and attached to the battery pack area if room is needed to reach into the mouth between visual exams. A large washer attached to the carbiner is a good source of metal to attach the light to when doing hand examinations of the mouth.