SCRUBBER DRYERS


When delivering installation training on new equipment it is essential to focus on best practice. It is a key part of any form of effective training to concentrate on how to perform to the best of the operative’s and the equipment’s capabilities.


Never is this truer than in the world of professional cleaning and where the application of scrubber dryers is concerned.


In fact, there are five ‘golden rules’ which form the bedrock of our training programme where implementing best practice with scrubber dryers is concerned.


1


THOROUGHLY CHECK MACHINE BEFORE USE


Any item of cleaning equipment should be thoroughly checked before use so that the operative responsible for using it is certain it is clean, safe and fit for purpose. Where scrubber dryers are specifically concerned, the clean solution and recovery tanks should be checked for cleanliness, any filters should be unclogged and squeegee blades should also be checked for cleanliness and correct operation. Any machine tasked with removing moisture from hard surfaces is only going to perform while its blades are in good condition. Once they begin to wear they will leave streaking and moisture on the floor. Operatives should be trained to identify this wear and subsequently how to change or turn the blades.


2


PRE-SWEEP Regardless of the cleaning task at


hand, we always advise removing dry dust and particulate soil before wet cleaning. After all what is the point in adding moisture to dirt and creating a more difficult to remove sludge? Where scrubber dryer cleaning is concerned, pre-sweeping has the added advantage of preventing the machine’s squeegee blades from clogging and causing streaking across the floor. Additionally, in industrial areas, string and shrink wrap from palletised packaging are issues for scrubber dryers and can cause damage and long periods out of service. We recommend the use of the Masslinn sweeping system prior to wet cleaning.


www.tomorrowscleaning.com 3


DILUTE CLEANING CHEMICALS ACCURATELY


There are a considerable number of reasons why it is very important to dilute cleaning chemical concentrates accurately, including waste and surface damage. However, among the most frequently cited is the impact that the residue from under-diluted cleaning chemicals can have. On occasion this residue can be slippery which is not good where floor care is concerned. More often than not though, it will dry to be sticky. This means the floor will re- soil quickly, making daily cleaning more difficult in the long term. Additionally, under-diluted chemical residue can clog up the internal componentry on scrubber dryers causing further unnecessary downtime.


“Taking shortcuts can often seem attractive but are frequently misleading. We


think we are going to save time and make life much easier for ourselves but typically end up making things much more difficult in the long term.”


4


CONSIDER PACE Whether we are using pedestrian


scrubber dryers which are manually propelled or larger pedestrian or ride-on machines which are traction driven, the pace at which the machine moves across the floor will have a significant impact on how effectively the machine cleans. Clearly the slower the machine moves, within reason, the more effectively it will clean. This needs to be balanced against the period of time available to complete the job in hand but it is all too common an occurrence that speed will win out over cleaning results for busy cleaning staff with lots to do.


5


CLEAN EQUIPMENT AFTER USE It is a physical and practical


impossibility to clean using dirty equipment and therefore removing a scrubber dryer’s brushes and squeegee assembly for cleaning,


emptying the recovery tank for rinsing through and drying are critical post- clean tasks. If undertaken from the installation of a new machine, these tasks are anything but onerous. However, when they have been overlooked for a few weeks the dirt begins to harden and the clean down of the machine becomes hard work.


I remember the importance of these tasks being brought into sharp perspective for me fairly early in my career while working for another machine supplier. At the time we loaned a demonstration machine to a contractor to cover their regular machine being out of service for repair.


The contract in question was with a chain of supermarkets and when we received the demonstration machine back after only a week, it was clear it had been used to ‘clean’ within the produce section of the supermarket. Not only was the recovery tank full of dirty water, there was also evidence of rotting vegetables floating around, the whole thing was infested with Black Fly and the smell was dreadful. While on the one hand, one can spend time wondering why anyone would return a machine full of dirty cleaning solution, the bigger question for me is why they would use the machine in such a condition in a retail setting while the store was open?


When dirty solution is vacuumed from the floor during the use of a scrubber dryer, the machine picks up a certain amount of air along with the dirty solution. In order to prevent the machine from blowing up, this air needs to be vented during the machine’s operating process and so the air would have passed through the recovery tank, picked up the general odour of dirt and rotting vegetation only to be blown out into the store while customers were shopping.


In summary, taking shortcuts can often seem attractive but are frequently misleading. We think we are going to save time and make life much easier for ourselves but typically end up making things much more difficult in the long term and at the detriment of the cleaning service. You simply cannot replace best practice.


www.jigsawcleaningsystems.co.uk Tomorrow’s Cleaning October 2016 | 73


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