Pacific S-20 Parts & Operating Manual
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Pacific S-20 Parts & Operating Manual

20-inch auto scrubber
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PARTS & OPERATING MANUAL
This operator's book has important information for the use and safe operation of this machine. Read this book carefully before
starting the machine. Keep this book near the machine, protected from liquids and other substances that can cause damage to it.
If you do not follow the instructions, you can cause an injury or damage equipment, furniture or buildings.
For new books, please download your copy from our website www.pacificfloorcare.com or write to:
Pacific Floorcare
2259 S. Sheridan Drive
Muskegon, MI 49442-6252
Carefully inspect all components to ensure that there is no concealed freight damage. If such damage is discovered, file a
"CONCEALED DAMAGE REPORT" immediately with the delivering carrier.
The contents of this manual are based on the latest product information available at the time of publication. Pacific Floorcare
reserves the right to make changes or improvements without being obliged to apply changes to the machines previously sold.
Thank you for purchasing a Pacific Floorcare product. Warranty registration will allow us to better serve you over the lifetime of
the product. For quick and easy registration, go to: www.pacificfloorcare.com/Register Product.
S-20 20-INCH
AUTO SCRUBBER
PLEASE READ THIS BOOK
TM

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Questions and answers

Fabio Zabaleta
February 18, 2025

La trasmisión no prende cuando accionó la palanca

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1 comments:
Mr. Anderson
February 18, 2025

The Pacific S-20 transmission may not turn on when the lever is engaged due to the key switch being in the OFF position. The machine is powered on through a key switch on the upper control panel. If the key is not turned to the ON position, the transmission will not engage. Additionally, if the battery charge level is too low, the unit may not function properly. Checking the key switch position and battery charge level can help diagnose the issue.

This answer is automatically generated

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Summary of Contents for Pacific S-20

  • Page 1 Thank you for purchasing a Pacific Floorcare product. Warranty registration will allow us to better serve you over the lifetime of...

  • Page 2: Safety Precautions

    SAFETY PRECAUTIONS This machine is intended for commercial use. Only use recommended pads or brushes and commercially approved floor cleaning chemical intended for machine application. The following symbols will be used to warn you of hazards or unsafe practices which could result in personal injury or death: CAUTION: INDICATES A POTENTIALLY HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, MAY RESULT IN MINOR OR MODERATE INJURY.
  • Page 3 SAFETY PRECAUTIONS NOTE: Do not allow the brush/pad to operate while the machine is stationary to avoid damage to the floor. CAUTION: Do not bump into shelves or scaffoldings, especially where there is a risk of falling objects. CAUTION: Before leaving or servicing a machine, stop it on a level surface. NOTE: Before leaving or servicing a machine, turn off the unit and remove the key.

  • Page 4: Machine Preparation

    NOTE: The on-board charger has been programmed to work with the batteries that Pacific Floorcare provides. Using other battery types not specified for the S-20 by Pacific Floorcare may impair performance of the unit and will affect the life of the batteries.
  • Page 5 MACHINE PREPARATION BATTERY POWER LEVEL INDICATORS The battery power level gage is located on the upper control panel. The gage has a series of LEDs to indicate the amount of power left in the batteries. When the batteries have a full charge, all LEDs are lit. As the batteries are discharged, the LEDs will begin to go out from right to left.
  • Page 6 USING YOUR ON-BOARD CHARGER CHARGING THE BATTERIES WITH AN ON-BOARD CHARGER Before using your S-20 for the first time, fully charge your batteries. The S-20 can be equipped with an on-board charger. The on-board charger is equipped with a 9 foot long cord that can be plugged directly into a 120V outlet.
  • Page 7 Both the on-board and off-board chargers are able to charge wet, lead acid or maintenance-free AGM batteries. As your unit leaves Pacific Floorcare’s factory, the charger is set up to match the type of battery chosen in the original machine order. Should you choose to change from the original battery type, the charger can be changed by re-setting the dip switches.
  • Page 8 The off-board charger has both a standard 120V 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 at the rear of the machine. With the 120V cord plugged into the wall, connect the two Anderson connectors and the batteries to begin charging.
  • Page 9 SETTING THE DIP SWITCHES ON YOUR OFF-BOARD CHARGER FOR YOUR BATTERY TYPE The off-board charger is able to charge wet, lead acid or maintenance-free AGM batteries. As your unit leaves Pacific Floorcare’s factory, the charger is set up 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 re-setting the dip switch.

  • Page 10: Solution Tank

    SOLUTION TANK To prepare the machine for cleaning, the unit must be filled with cleaning solution. Water and cleaning agent can be added to the S-20’s rear hose fill port located to the left of the control panel. There is also a front fill port that is able to accept hose or bucket filling.
  • Page 11 Screw on the center lock fitting, making sure that the center lock has compressed the pad and is snug. NOTE: The S-20 pad driver is a tufted pad driver. Do not use a pad driver on the floor without a pad in place. This will cause damage to your floor.
  • Page 12 The operation is completed by quickly pulsing the S-20 activation trigger. This will “click on” the pad driver or brush. If the pad driver or brush does not quickly engage, do not continue pressing the activation trigger. Realign the scrub deck and try procedure again. When you have the scrub deck aligned properly, you should see a noticeable drop of the scrub deck when lowered and the bristle skirt on the shroud should almost be touching the floor.
  • Page 13 MACHINE PREPARATION ATTACHING YOUR PAD - ORBITAL HEAD ATTACHING A PAD TO YOUR ORBITAL PAD DRIVER The orbital unit can be used for daily cleaning; however it specializes in chemical-free finish removal for low-cost finish maintenance programs. The following directions show how to prepare the machine for both applications. For cleaning, the orbital unit is fit with a rectangular, 20 in (508 mm) x 14 in (356 mm) pad.
  • Page 14 MACHINE PREPARATION CONNECTING THE SQUEEGEE AND ADJUSTING SQUEEGEE HEIGHT Prior to shipping from the factory, the squeegee assembly is removed from the unit. To connect your squeegee assembly to the machine: Align the squeegee assembly retention slots with the easy-grip knobs then tighten until secure.

  • Page 15: Machine Operation

    The machine operation and controls were designed to minimize operator training and decrease the need for adjustments during operation. Additionally, once in operation, Pacific Floorcare’s goal was to provide an ergonomic, easy to use system. Due to this focus, the S-20’s key operational controls are all within reach so that the operator doesn’t have to remove their hands to perform the operation - a key to safe,...
  • Page 16 The S-20 has two down pressure settings. The disk unit has settings of 60 and 90 lb (27 and 40 kg) and the orbital unit has settings of 75 and 100 lb (34 and 45 kg). When the unit is set into operating position with the foot pedal, it is in the lower down pressure position.
  • Page 17 The S-20 speed control and reverse switch on the traction drive models are purposely located so that the operator doesn’t have to let go of the machine with either hand to perform the function. Speed control is easily thumb adjusted and the reverse can be depressed with your fingers on the back side of the control housing.
  • Page 18 MACHINE OPERATION OPERATIONAL CONTROLS TRANSPORT MODE The scrub deck and squeegee must be in the raised position for transport. The scrub deck is raised into transport position by placing your foot on the foot pad and depressing the lever until it clears the lower notch.
  • Page 19 MAINTENANCE SCHEDULE FOR SERVICE EVERY SIX MAINTENANCE DAILY WEEKLY MONTHLY MONTHS 100 HOURS 200 HOURS Clean squeegee assembly. Check blades for wear or damage. Check if adjustment needed to squeegee height Clean out recovery tank inside and out and float shut off assembly. Check both for damage.
  • Page 20 MAINTENANCE END OF SHIFT Once you’ve completed your daily scrubbing, project work or finish maintenance, proper end of use maintenance can greatly extend the machine’s life, improve performance, enhance sanitization and lower the machine’s long-term operational costs. There are four key areas we will review and demonstrate: the recovery tank, squeegee assembly, battery maintenance and charging, ending with pad and brush maintenance.
  • Page 21 Inspect the front and rear squeegee blades. If the blade edges are not clearly defined or worn halfway through the thickness of the blade, then it is time for replacement or to be flipped to another edge. The S-20’s squeegee blades have four usable edges.
  • Page 22 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.
  • Page 23 END OF SHIFT PAD DRIVER AND BRUSH MAINTENANCE 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 disk unit, locate the automatic off switch on the lower control panel at the rear of the machine.

  • Page 24: Periodic Maintenance

    CHANGING BATTERIES To change the batteries in your S-20, move the machine to an area with a level surface, turn off the power switch and remove the key. If using an off-board charger, make sure that it is located near your machine and that your location is close to an electrical outlet for charging after installation.
  • Page 25 CHECKING THE ISOLATORS ON YOUR S-20 ORBITAL UNIT Your S-20 orbital scrubber is equipped with an hour meter that is located on the upper control panel. After 300 hours, your hour meter will flash “SVC DUE” which means that it is time to check the eight isolators located in the scrub head of the unit.
  • Page 26 TRANSPORTING YOUR UNIT Your S-20 was designed so that it could easily be transported on a route cleaning program. The machine has a tie down holes on each side of the main frame. It can also be strapped down to a trailer or truck bed using tie down straps inserted between the recovery tank and solution tank NOTE: When transporting the machine, turn the machine off.

  • Page 27: Troubleshooting

    Finally, should you still have recovery issues, contact your distributor or Pacific Floorcare for technical support. Lower elbow of recovery hose and...
  • Page 28 See Changing Batteries segment of this manual for further instructions on how to replace your batteries. If none of these factors are present and you are still not getting expected run times, contact your distributor or Pacific Floorcare for technical support.
  • Page 29 Check the wire connections to the valve. If none of the actions listed above fix the solution flow, contact your distributor or Pacific Floorcare for technical support. Check sight gage hose for...
  • Page 30 Of course, a long thin tool of some kind can be used as well, but be extremely careful not to puncture the hose wall. If a clog isn’t found in the system, contact your distributor or Pacific Floorcare for technical support.
  • Page 31 To fix this, route the recovery hose to have the loop hose trap between the squeegee assembly neck and left easy-grip knob. If this isn’t the issue, contact your distributor or Pacific Floorcare for technical support. Properly routed loop hose trap placed...

  • Page 32: Troubleshooting Guide

    TROUBLESHOOTING GUIDE ISSUE POTENTIAL CAUSE PROPOSED SOLUTION Make sure the solution control valve is open by Solution flow setting is too low adjusting the solution flow knob Check the sight gage for solution level. If low or Solution tank is empty empty, add water and detergent Insufficient water to the brushes Remove inline filter cap &...
  • Page 33 TROUBLESHOOTING GUIDE ISSUE POTENTIAL CAUSE PROPOSED SOLUTION Inspect & replace if necessary. Brushes should be Machine isn’t cleaning satisfactorily Pad or brush may be worn replaced when the bristles reach a length of 3/4 in (19 mm) Check bottle label. Use low foaming detergent or Detergent used is not a low foaming add a small quantity of defoamer to the recovery Excessive foam is being produced in the recovery tank...
  • Page 34 TROUBLESHOOTING GUIDE BATTERY POWER LEVEL INDICATOR FAULT CODES TRANSAXLE DRIVE UNITS CODE (FLASHING LED POTENTIAL CAUSE PROPOSED SOLUTION Recharge batteries Low voltage shut-off. Brush motor shut down Check battery connections Battery charge level getting low Recharge batteries Traction drive motor tripped Remove overload condition and reset Three Traction drive motor has short circuited...
  • Page 35 SUGGESTED SERVICE PART LISTING TRACTION PAD ASSIST ORBITAL OPTIONS SUB-ASSEMBLY DESCRIPTION PART NUMBER DISK QTY DISK QTY Charger, On-board Cord, 9 ft (3 m) 908128* Electronics Controller, traction 859101 Electronics Contactor, 24VDC, 100 amp 912401 Electronics Contactor, 24VDC, 70 amp 912402 Frame Wheel, traction, 8 in (203 mm)
  • Page 36 SUGGESTED SERVICE PART LISTING TRACTION PAD ASSIST ORBITAL OPTIONS SUB-ASSEMBLY DESCRIPTION PART NUMBER DISK QTY DISK QTY Recovery Hose, drain, capped 854101* Recovery Gasket, cover, press-in 853401 6 ft 6 ft 6 ft Recovery Float, ball 223370 Recovery Hose, vacuum 854103 Recovery Motor, vacuum...
  • Page 37 S-20 AUTO SCRUBBER - FRAME ASSEMBLY, TRACTION...
  • Page 38 S-20 AUTO SCRUBBER - FRAME ASSEMBLY, PAD/BRUSH ASSIST...
  • Page 39 S-20 AUTO SCRUBBER - SOLUTION TANK ASSEMBLY...
  • Page 40 S-20 AUTO SCRUBBER - BATTERY ASSEMBLY...
  • Page 41 S-20 AUTO SCRUBBER - RECOVERY TANK ASSEMBLY...
  • Page 42 S-20 AUTO SCRUBBER - SQUEEGEE ASSEMBLY...
  • Page 43 S-20 AUTO SCRUBBER - SQUEEGEE LINK ASSEMBLY...
  • Page 44 S-20 AUTO SCRUBBER - HEAD LIFT ASSEMBLY, DISK...
  • Page 45 S-20 AUTO SCRUBBER - HEAD LIFT ASSEMBLY, ORBITAL...
  • Page 46 S-20 AUTO SCRUBBER - HEAD ASSEMBLY, DISK...
  • Page 47 S-20 AUTO SCRUBBER - HEAD ASSEMBLY, ORBITAL...
  • Page 48 S-20 AUTO SCRUBBER - DRIVE PLATE ASSEMBLY, ORBITAL...
  • Page 49 S-20 AUTO SCRUBBER - CONTROLS ASSEMBLY, TRACTION...
  • Page 50 S-20 AUTO SCRUBBER - CONTROLS ASSEMBLY, PAD/BRUSH ASSIST...
  • Page 51 S-20 AUTO SCRUBBER - ELECTRONICS ASSEMBLY, TRACTION...
  • Page 52 S-20 AUTO SCRUBBER - ELECTRONICS ASSEMBLY, PAD/BRUSH ASSIST...
  • Page 53 S-20 AUTO SCRUBBER - CHARGER ASSEMBLY, ON-BOARD...
  • Page 54 S-20 AUTO SCRUBBER - WIRING DIAGRAM, TRACTION DRIVE, DISK...
  • Page 55 S-20 AUTO SCRUBBER - WIRING DIAGRAM, PAD/BRUSH ASSIST, DISK...
  • Page 56 S-20 AUTO SCRUBBER - WIRING DIAGRAM, ORBITAL...

  • Page 57: Warranty Policy

    2. Upon compliance with the above warranty procedure, all warranted repairs will be completed at no additional charge or cost to the user. 3. Only Pacific Floorcare or its authorized dealers and agents may make no charge warranty repairs on this product. All others do so at their own risk.

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