Tennant 443C Operator'S Manual Download | Manualshive

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OPERATION

443C MM294 (6–93)

6

OPERATION

A

C

E

F

G

H

I

I

E

A

B

J

D

K

07143
07144

MACHINE COMPONENTS

A. Scrub Head

G. Brush Down Pressure Knob

B. Solution Tank Cover

H. Control Panel

C. Power Cord

I.

Machine Handle

D. Drain Hose

J.

Squeegee Height Adjustment Ring

E. Rear Caster

K. Double Scrub Latch

F.

Scrub Head Lift Lever

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Summary of Contents for 443C

Page 1: ...443C Operator Manual MM294 578 748 Rev 05 06 93 ...

Page 2: ...nance instructions provided The machine is maintained with TENNANT supplied or equivalent parts Parts and supplies may be ordered by phone or mail from any TENNANT parts and service center distributor or from any of the TENNANT subsidiaries Before ordering parts or supplies be sure to have your machine model number and serial number handy Fill out the data block below for future reference MACHINE ...

Page 3: ...G MACHINE 8 FILLING THE SOLUTION TANK 8 PREPARING FLOOR FOR SCRUBBING 9 NORMAL SCRUBBING OPERATION 9 DOUBLE SCRUBBING 11 DRAINING AND CLEANING THE SOLUTION TANK 11 POST OPERATION CHECKLIST 12 OPTIONS 13 POWER WAND 13 Page MAINTENANCE 15 MAINTENANCE REQUIREMENTS 15 DAILY 15 WEEKLY 15 MONTHLY 15 EVERY THREE MONTHS 15 EVERY SIX MONTHS 15 SCRUB HEAD 15 DAILY FLUSHING OF SCRUB HEAD 15 MONTHLY CLEANING ...

Page 4: ...CONTENTS 443C MM294 10 91 2 ...

Page 5: ...Close Door On Plug Or Pull Cord Around Sharp Corners 4 Before Leaving Or Servicing Machine Turn Off Machine And Unplug Power Cord From Outlet 5 When Maintaining or Servicing Machine Avoid Moving Parts Do Not Wear Loose Jackets Shirts Ties Or Sleeves When Working On Machine Use TENNANT Supplied Or Equivalent Replacement Parts WARNING Hazardous Voltage Shock Or Electrocution Can Result Unplug Power ...

Page 6: ...ated If these or any label becomes damaged or illegible install a new label in its place FOR SAFETY LABEL LOCATED ON THE MACHINE HANDLE FRAME FLAMMABLE SPILLS LABEL LOCATED ON THE SOLUTION TANK COVER MOVING PARTS LABEL LOCATED ON THE SCRUB HEAD 07143 HAZARDOUS VOLTAGE LABEL LOCATED ON THE REAR PANEL OF THE MACHINE ...

Page 7: ...ear 6 in 150 mm dia 1 front 2 5 in 65 mm dia SYSTEM REFILL FLUID CAPACITIES Combined Solution Recovery tank 8 gal 30 L GENERAL MACHINE DIMENSIONS Length 30 in 760 mm Width 20 in 510 mm Height 35 in 890 mm Squeegee width 18 5 in 470 mm Cleaning path width 17 in 430 mm Brush width 17 in 430 mm Brush diameter 3 5 in 90 mm Power cord 40 ft 1015 mm MACHINE WEIGHT Empty solution tank 107 lb 48 kg Full s...

Page 8: ...E A B J D K 07143 07144 MACHINE COMPONENTS A Scrub Head G Brush Down Pressure Knob B Solution Tank Cover H Control Panel C Power Cord I Machine Handle D Drain Hose J Squeegee Height Adjustment Ring E Rear Caster K Double Scrub Latch F Scrub Head Lift Lever ...

Page 9: ...ush will run when the lever s are operated if the MODE switch is in the BRUSH ONLY position In the WAND position neither the brush nor solution pump are activated by the lever s BRUSH PRESSURE GAUGE The brush pressure gauge indicates the pressure of the scrub brush on the floor The brush pressure needle should be at the top of the green zone for the best scrubbing results BRUSH CIRCUIT BREAKER The...

Page 10: ...rub head pull up on the scrub head lift lever with the toe of your shoe A 06210 RAISING THE SCRUB HEAD A Scrub Head Lift Lever FILLING THE SOLUTION TANK 1 Unplug the machine and move the machine next to a water source WARNING Hazardous Voltage Shock Or Electrocution Can Result Unplug Power Cord Before Working On Machine 2 Remove the solution tank cover letting it hang on the side of the machine 3 ...

Page 11: ...chine can be pushed and pulled like a vacuum cleaner 6 Watch the water pick up of the machine if the machine is leaving water on the floor adjust the squeegees as follows Push the machine forward Look at the front set of squeegees The inside squeegee should be straight up and down and touch the floor The outside squeegee will bend over and touch the inside squeegee The same applies for the rear se...

Page 12: ...on both or one of the switch levers and proceed to clean The machine can be pushed and pulled like a vacuum cleaner The recommended scrubbing path is pushing the machine forward overlapping paths much like mowing a lawn 07179 SCRUBBING WITH MACHINE 9 When cleaning next to walls or under kickboards use the operator s right side of the machine for closer scrubbing 10 Watch for foam build up in the t...

Page 13: ...d raise the scrub head by stepping on the scrub head lift lever DRAINING AND CLEANING THE SOLUTION TANK 1 Unplug the power cord from the wall outlet and place the machine next to a floor drain WARNING Hazardous Voltage Shock Or Electrocution Can Result Unplug Power Cord Before Working On Machine 2 Pull the drain hose from the retaining clip on the back of the machine 3 Loosen the drain plug by tur...

Page 14: ...he machine Check power cord for wear or damage Repair or replace if required Wipe cord clean and wrap around the machine handles Raise the scrub head by stepping on the scrub head lift lever Flush squeegee housing with hot water especially if the machine is used in greasy areas Wipe grease debris build up from squeegee and squeegee nozzles Check for and remove any string or material wrapped around...

Page 15: ...B Female Quick Disconnect 2 Pull the vacuum hose off the solution tank and firmly insert the hose cuff from the power wand hose into the tank A B 06816 CONNECTING ATTACHMENT HOSE A Wand Attachment Hose B Solution Tank 3 Attach the other ends of the solution and vacuum hoses to the power wand tool in the same way A B C D 06598 CONNECTING ATTACHMENT A Solution Hose Quick Disconnect B Vacuum Hose C V...

Page 16: ...on the tool by turning the black adjustment knob A B 06604 ADJUSTING ROLLER WHEELS A Adjustment Knob B Roller Wheels 8 The wheels are properly adjusted when the squeegee blades deflect slightly while the tool is pushed back and forth 9 When finished turn the VAC switch to OFF and set the MODE switch to BRUSH AND WATER TOP position 10 Disconnect the vacuum and solution hoses from the power wand 11 ...

Page 17: ...ss than 0 62 in 20 mm in length EVERY THREE MONTHS Lubricate brush housing pivot pins bearings with light oil Check and tighten all fasteners hardware EVERY SIX MONTHS Six month and yearly maintenance is recommended to be performed by technicians from your authorized TENNANT Service Center Six month maintenance includes weekly and monthly maintenance plus Vacuum motor brush inspection Brush motor ...

Page 18: ...ith a wet cloth wipe off all four 4 squeegee blades to prevent grease buildup At the same time inspect each blade for wear or damage Replace if required B A 06247 CLEANING SQUEEGEE BLADES A Cloth B Squeegee Blade 7 Re install vacuum pickup hose on machine MONTHLY CLEANING OF SCRUB HEAD The scrub head should be thoroughly cleaned monthly Lubricate the pivot pins and bearings at the same time 1 Unpl...

Page 19: ...SH The scrub brush should be checked daily to remove any string or other material wrapped around it The scrub brush should be flipped end for end every week to prevent the bristles from taking a set and to increase brush life The brush should be changed when the remaining bristles measure 0 62 in 20 mm or less in length REPLACING OR ROTATING SCRUB BRUSH 1 Unplug the machine and raise the scrub hea...

Page 20: ... evenly dispense the cleaning solution over the brush The dispensing tube can be removed from the scrub head for cleaning if required Clean the tube if the solution does not dispense evenly over the brush CLEANING THE DISPENSING TUBE 1 Unplug the machine Disconnect the solution feed hose from the quick disconnect by pulling back on the knurled sleeve of the female disconnect until the male fitting...

Page 21: ...y turning to the left 4 Using a hose with warm water under normal pressure flush the filter from the inside out B A 06633 FLUSHING SOLUTION SCREEN FILTER A Solution Screen Filter B Hose 5 If filter screen material is excessively plugged soak overnight in a solution of 1 part white vinegar to 10 parts water Flush with water after soaking 6 Place filter back on to threaded fitting and turn to the ri...

Page 22: ...s lubricate pins and bearings with light oil 10 Connect the solution hose quick disconnect 11 Connect the vacuum pick up hose to the top of the scrub head 12 Install the brush in the scrub head SQUEEGEE BLADES The scrub head has 2 sets of 2 squeegee blades on the front and back These blades squeegee up the solution off the floor in the forward and reverse directions The front and rear squeegee bla...

Page 23: ...d to pull the blade out of the scrub head 8 Flush out the scrub head assembly and install it back on the machine STORAGE INFORMATION Freeze protection of the machine is necessary to prevent damage to components of the solution system when the machine is going to be exposed to freezing temperatures ATTENTION Freezing temperatures can severely damage components Do not store or transport machine in a...

Page 24: ...ion Move switch to proper position Circuit breaker is tripped Reset breaker reduce brush pressure Drive belt broken Replace Electrical malfunction Call Service Center Brush circuit breaker trips Excessive brush pressure Reduce brush pressure Electrical malfunction Call Service Center Brush does not clean floor Excessive soil may require several passes to clean Double scrub area Brush worn Replace ...

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