At the end of the job, the recover tank needs to be emptied and rinsed out. To drain the recovery tank, utilize the recovery tank drain hose at the rear of the machine. The drain hose has a press-fit cap that is removed for the draining process. The hose is also equipped with a restriction collar that can be bent or squeezed to reduce splashing or spraying during the operation. As the recovery tank drains, lift the recovery tank lid to the fully open position. When close to empty, begin to rinse out the sediment from the bottom of the tank with the clean water hose. After the tank is thoroughly rinsed and drained, leave the tank lid open for air drying. At this point, it is a great time to inspect and clean the vacuum mesh filter screen and ball float system. This can be removed for cleaning by unscrewing the filter screen and rinsing it with a hose. The full access tank is designed for periodic deep cleaning and sanitizing. Once thoroughly rinsed, the operator can use a cleaner and sanitizer with a cloth or sponge to completely sanitize the recovery tank. This reduces the mold and mildew that can form over time.
The squeegee system is crucial to high performance cleaning. It is the last thing that touches the floor so proper maintenance is important for making it perform at its peak. Remove the squeegee assembly from the machine, loosening the easy grip knobs and detaching the recovery hose at the back of the machine. Take the squeegee to a drain or utility sink and thoroughly rinse the underside of the squeegee frame and squeegee blades. Make sure that all particles and debris have been removed. Next, inspect the neck of the squeegee assembly for debris. If found, clear the debris and rinse it out. Finally it is time to inspect the front and rear squeegee blades. If the blade edges are not clearly defined then it is time for replacement or to be flipped to another edge. The S-20 squeegee blades have four usable edges. Blade exchange is completely tool free for fast, easy maintenance. To remove the rear blade, release the over-center latch and slide the squeegee retainer off the hook on the other side. The blade can be removed for replacement or flipped lengthwise or top to bottom to utilize another blade edge. To reattach the blade, align the blade guide holes with the squeegee frame guides from one end to the other. Slide the retainer over the hook and press the retainer latch into position on the far end following the guides. Engage the latch to finish the operation. The front blade exchange is completed in similar fashion to the rear blade by removing the front blade retainer, attaching a new blade using the guides, and re-engaging the squeegee retainer. When squeegee assembly and blade maintenance is complete, reattach by aligning the assembly, tightening the easy grip knobs and reattaching the hose.
Based on research and experience, batteries are the number one nuisance issue and drive a high cost of ownership if not properly maintained. With the S-20 you can select from two types of batteries; wet lead acid or sealed maintenance free AGM. Wet batteries by definition need water in order to store energy and protect the internal lead plates. Battery watering frequency depends upon usage but the best practice would be to check weekly. Batteries should be fully charged prior to watering. Refer to the charging segment of this video or your manual for charging instructions. Once charging is completed, open the vent caps and look inside the fill wells. Add distilled water until the electrolyte level is approximately 1/8 of an inch below the bottom of the fill well. Clean and replace the vent caps. Should you want to make it easier and safer to perform battery maintenance, the S-20 can be equipped with Hydrolink on the 155amp hour wet lead acid battery units. Hydrolink is a series of specialized battery caps, tubes and a hand pump that formulates a single point battery watering. There is no need to check or fill individual battery cells with this accessory. Additionally, the caps come with a battery watering indicator to show when the batteries need to be watered. After the batteries are charged and the operator has identified the batteries are low with the indicator, place the feed hose into the reservoir of distilled water and compress the hand pump until it becomes hard to squeeze. This indicates that all the battery's cells are filled to the proper level. The greatest benefits of this system are that the indicator lets the operator know when it's time to water the batteries, it's virtually foolproof from under or over watering, the process saves time, and it increases safety by eliminating the potential for acid splash accidents. Best of all, this system can save thousands of dollars in premature battery replacement costs.
The S-20 can be equipped with either on-board or off-board charger. The on-board charger is equipped with a 9 foot long cord that can be plugged directly into a 120 volt outlet. The cord wrap on the unit has a quick release hook. The lower hook allows the user to slip the cord off and then the cord can be lifted off the upper hook, all without having to unravel the entire cord. The on board charger has charging LED lights. The red light means it has just started the charging cycle. The yellow light indicates that it has reached the second phase of charging. And green means fully-charged. The off-board charger has both a standard 120 volt power cord and a cord with an Anderson connector. There is also an Anderson connector on board the S-20, located on the lower control panel on the rear of the machine. With the 120 volt cord plugged into the wall, you connect the two Anderson connectors and the batteries begin to charge. The off board charger also has charging indication LED lights. The primary indicator light is green and if blinking slowly, then the batteries are still below 80 percent of full charge. If blinking fast, then the batteries are above 80 percent of full charge, while if solid green, the batteries are fully charged. There is a red fault light LED as well. In the rare occurrence that this light comes on, check the charger operator manual for troubleshooting guidance. Both types of chargers are able to charge wet lead acid or maintenance free AGM batteries. As it leaves Pacific Floorcare's factory, the charger is setup to match the type of battery chosen in the original machine order. Should you choose to change from the original battery type to the other, the charger can be changed by resetting the dip switches. Detailed instructions of this are found in the charger manuals that come with the machine.
This portion of maintenance is simple and quick but key to keeping your S-20 performing at peak levels. Remove the pad driver or brush to check for wear. To remove the pad driver or brush from your disc unit, locate the automatic off switch on the lower control panel at the rear of the machine. Depress position A for one to two seconds and then depress position B to click off the cleaning tool. For the orbital unit, simply pull off the pad, taking care to follow proper safety precautions as indicated on your chemical product label in regards to coming in contact with solution. Should the pad or brush show ample wear and have reached the replacement point, simply discard the pad or brush and replace it at the beginning of your next shift. Alternatively, if not worn out, you can extend the life of your cleaning tool by rinsing out any captured debris or sediment and then hanging it to dry between shifts; a simple step that can lower your cost to clean.
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