Tennant 5500 Complete Product manual

ENGLISH - ESPAÑOL
Automatic Scrubber
Fregadora Automática
5500/5520
Operator and Parts Manual
Manual del Operador y Piezas
612814
Rev. 03 (12-06)
Model No.:
613041 -- 5500
612758 -- 5500 Complete
613042 -- 5520
612760 -- 5520 Complete

OPERATION
2Tennant 5500/5520 (12--06)
This manual is furnished with each new model.
It provides necessary operation and maintenance
instructions and an illustrated parts list.
Read this manual completely and understand the
machine before operating or servicing it.
When ordering replacement parts, use the illustrated
parts lists section in this manual. Before ordering parts
or supplies, be sure to have your machine model
number and serial number available. Parts and
supplies may be ordered by phone or mail from any
authorized parts and service center, distributor or from
any of the manufacturer’s subsidiaries.
This machine will provide excellent service. However,
the best results will be obtained at minimum costs if:
SThe machine is operated with reasonable care.
SThe machine is maintained regularly - per the
machine maintenance instructions provided.
SThe machine is maintained with manufacturer
supplied or equivalent parts.
Tennant Company
PO Box 1452
Minneapolis, MN 55440
Phone: [phone] or (763) 513--2850
www.tennantco.com
Specifications and parts are subject to change without notice.
Copyright E2001, 2002, 2005, 2006 Tennant Company. All rights reserved.
Printed in U.S.A.
MACHINE DATA
Please fill out at time of installation for future reference.
Model No.-
Install. Date -
Serial No.-

OPERATION
Tennant 5500/5520 (04--05) 3
TABLE OF CONTENTS (ESPAÑOL ÍNDICE....22)
SAFETY PRECAUTIONS 4....................
SAFETY LABELS 5...........................
MACHINE COMPONENTS 6...................
CONTROL PANEL SYMBOLS 7...............
MACHINE INSTALLATION 8...................
UNCRATING MACHINE 8..................
INSTALLING BATTERIES 8................
MACHINE SETUP 8..........................
ATTACHING SQUEEGEE ASSEMBLY 8.....
INSTALLING BRUSH OR PAD DRIVERS 9...
FILLING SOLUTION TANK 10...............
MACHINE OPERATION 10.....................
PRE--OPERATION CHECKS 10..............
OPERATING MACHINE 10..................
WHILE OPERATING MACHINE 12...........
STOPPING MACHINE 12...................
EMERGENCY STOPPING (OPTION) 12......
CIRCUIT BREAKERS 13....................
DRAINING TANKS 13..........................
DRAINING RECOVERY TANK 13............
DRAINING SOLUTION TANK 13.............
CHARGING BATTERIES 14....................
MACHINE MAINTENANCE 15..................
DAILY MAINTENANCE 15...................
MONTHLY MAINTENANCE 16...............
QUARTERLY MAINTENANCE 16............
SQUEEGEE BLADE REPLACEMENT 16......
SQUEEGEE BLADE ADJUSTMENT 17.......
BATTERY MAINTENANCE 17...............
TRANSPORTING MACHINE 18.................
STORING MACHINE 18........................
RECOMMENDED STOCK ITEMS 18.............
TROUBLE SHOOTING 19......................
SPECIFICATIONS 20..........................
ELECTRICAL DIAGRAMS 42...................
PARTS LIST 44...............................
REPLACEMENT BRUSHES AND PAD
DRIVER GROUP 44........................
SOLUTION TANK GROUP 46................
RECOVERY TANK GROUP 48...............
CONSOLE GROUP 50......................
ELECTRICAL GROUP 52...................
DRIVE GROUP 54.........................
BRUSH DRIVE GROUP 56..................
BRUSH SKIRT GROUP 58..................
SOLUTION GROUP 60.....................
SQUEEGEE CONTROL GROUP 62..........
SQUEEGEE ASSEMBLY GROUP --
33 in / 838 mm 64..........................
BATTERY GROUP 66......................
OPTIONS 67..................................
SQUEEGEE WAND ASSEMBLY 67
..........
ES (EXTENDED SCRUB) KIT 68.............
HOUR METER, EMERGENCY STOP,
KEYSWITCH AND LOW VOLTAGE KITS 70...
CONVERSION KIT 71......................

OPERATION
4Tennant 5500/5520 (04--05)
SAFETY PRECAUTIONS
This machine is intended for commercial use. It is
designed exclusively to scrub hard floors in an
indoor environment and is not constructed for any
other use. Use only recommended pads, brushes
and commercially approved floor cleaners
intended for machine application.
All operators must read, understand and practice
the following safety precautions.
The following warning alert symbol and the “FOR
SAFETY” heading are used throughout this manual as
indicated in their description:
WARNING: To warn of hazards or unsafe
practices which could result in severe personal
injury or death.
FOR SAFETY: To identify actions which must be
followed for safe operation of equipment.
Failure to follow these warnings may result in
personal injury, electrical shock, fire or explosion.
WARNING: Fire Or Explosion Hazard:
-- Never Use Flammable Liquids Or Operate
Machine in Or Near Flammable Liquids,
Vapors Or Combustible Dusts.
This machine is not equipped with explosion proof
motors. The electric motors will spark upon start
up and during operation which could cause a flash
fire or explosion if machine is used in an area
where flammable vapors/liquids or combustible
dusts are present.
-- Do Not Pick Up Flammable Materials Or
Reactive Metals.
-- Batteries Emit Hydrogen Gas. Keep Sparks
And Open Flame Away. Keep Battery
Compartment Open When Charging.
WARNING: Electrical Shock Hazard.
Disconnect Battery Cables Before Servicing
Machine.
The following information signals potentially
dangerous conditions to the operator or
equipment:
FOR SAFETY:
1. Do not operate machine:
-- With flammable liquids or near flammable
vapors as an explosion or flash fire may
occur.
-- Unless trained and authorized.
-- Unless operator manual is read and
understood.
-- If not in proper operating condition.
2. Before operating machine:
-- Make sure all safety devices are in place
and operate properly.
3. When using machine:
-- Go slow on inclines and slippery surfaces.
-- Wear non--slip shoes.
-- Use care when reversing machine.
-- Reduce speed when turning.
-- Report machine damage or faulty
operation immediately.
-- Never allow children to play on or around.
-- Follow mixing and handling instructions
on chemical containers.
4. Before leaving or servicing machine:
-- Stop on level surface.
-- Turn machine off.
5. When servicing machine:
-- Avoid moving parts. Do not wear loose
jackets, shirts, or sleeves.
-- Disconnect battery connections before
working on machine.
-- Wear protective gloves and eye protection
when handling batteries or battery cables.
-- Avoid contact with battery acid.
-- Use hoist or jack that will support the
weight of the machine.
-- Do not power spray or hose off machine.
Electrical malfunction may occur.
-- Use manufacturer supplied or approved
replacement parts.
-- All repairs must be performed by a
qualified service person.
-- Do not modify the machine from its
original design.

OPERATION
Tennant 5500/5520 (04--05) 5
6. When transporting machine:
-- Turn machine off.
-- Use a recommended ramp when
loading/unloading on/off truck or trailer.
-- Use tie--down straps to secure machine to
truck or trailer.
-- Put scrub head in the lowered position.
SAFETY LABELS
The safety labels appear on the machine in the locations indicated. Replace labels if they are missing or become
damaged or illegible.
WARNING LABEL -- LOCATED ON THE RECOVERY TANK.
BATTERY CHARGE LABEL --
LOCATED IN BATTERY COMPARTMENT.
WARNING: Fire Or Explosion
Hazard. Batteries Emit Hydrogen
Gas. Keep Sparks And Open Flame
Away. Keep Battery Compartment
Open When Charging.

OPERATION
6Tennant 5500/5520 (04--05)
MACHINE COMPONENTS
11
10
9
47
6
5
22
13
21
18
23
25
19
15
2
16
8
20
3
1
12
14
17
2
25
27
26
1
29 28
35
33
36
34
31
32
36
30
24
1. Control Console
2. Control Twist Grips
3. Key Switch (Optional)
4. Main ON/OFF Switch
5. Vacuum ON/OFF Switch
6. Brush/Solution ON/OFF Switch
7. Brush Pressure Switches
8. Brush Pressure Meter
9. Battery Meter
10. Reverse Switch
11. Speed Control Knob
12. Power Kill Button (Optional)
13. Main, Vac/Drive Circuit Breakers
14. Squeegee Lift Lever
15. Hour Meter (Optional)
16. Solution Flow Adjustment Knob
17. ES (Extended Scrub) Switch
(Optional)
18. Scrub Head Actuator
19. Adjustable Control Console
Levers
20. Recovery Tank Drain Hose
21. Solution Tank Drain Hose
22. Rear Fill Port
23. Squeegee Assembly
24. Recovery Tank
25. Recovery Tank Lid
26. Solution Tank
27. Solution Fill Port
28. Safety Lights
29. Battery Compartment
30. Charger Plug
31. Drive Wheels
32. Rear Casters
33. Brush Skirt
34. Skirt Housing
35. Skirt Housing Latch
36. Wall Rollers

OPERATION
Tennant 5500/5520 (07--02) 7
CONTROL PANEL SYMBOLS
Main Power
Vacuum
Less Brush
Pressure
More Brush
Pressure
Fast Speed
Slow Speed
Reverse
Squeegee Up
Squeegee Down
Right Hand
Brush Motor
Circuit Breaker
Left Hand
Brush Motor
Circuit Breaker
Vacuum
Motor Circuit
Breaker
Main Power
Circuit Breaker
Read Manual
Before Operating
Battery Charge
Meter
Brush Pressure
Meter
Brush
Solution Flow

OPERATION
8Tennant 5500/5520 (12--06)
MACHINE INSTALLATION
UNCRATING MACHINE
Carefully check carton for signs of damage. Report
any damage at once to carrier. Check carton contents
to ensure all accessories are included. Squeegee is
packaged with machine. Batteries, battery charger and
pad driver(s) are packaged separately.
ATTENTION: Battery installation must be
accomplished after removing machine from
shipping crate.
To uncrate your machine, remove shipping straps and
carefully lift or make a ramp using crate boards to
remove machine from pallet.
ATTENTION: Do not roll machine off pallet,
damage may occur.
INSTALLING BATTERIES
WARNING: Fire Or Explosion Hazard.
Batteries Emit Hydrogen Gas. Keep Sparks And
Open Flame Away. Keep Battery Hood Open When
Charging.
FOR SAFETY: When servicing machine, wear
protective gloves and eye protection when
handling batteries and battery cables. Avoid
contact with battery acid.
Battery Specifications:
Two 12 volt, deep cycle, 215 A hour batteries. Consult
with an Authorized Distributor for specific batteries.
Maximum battery dimensions are 7 in / 178 mm W x
15 in / 381 mm L x 14 in / 356 mm H.
1. Turn all switches to the OFF position.
2. Carefully hinge open recovery tank to access
battery compartment. Remove loose battery
cables from compartment (Figure 1).
FIG. 1
3. Carefully install batteries into battery tray at
bottom of compartment and arrange battery posts
as shown (Figure 2).
(+) (--)
(+)(--)
FIG. 2
ATTENTION: Do not drop batteries into
compartment, battery and machine housing
damage may result. This damage is not covered
by warranty.
4. Connect battery cables to battery posts as shown
(RED TO POSITIVE & BLACK TO NEGATIVE)
(Figure 2).
5. Turn on the main switch and check battery meter
charge level to ensure batteries are fully charged.
Charge if necessary (See CHARGING
BATTERIES).
MACHINE SETUP
ATTACHING SQUEEGEE ASSEMBLY
1. Turn main switch to the off position.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface and turn off
machine.
2. Raise squeegee mount bracket. Pull back on
squeegee lift lever to raise squeegee mount
bracket (Figure 3).
FIG. 3

OPERATION
Tennant 5500/5520 (04--05) 9
3. Loosen two thumb knobs on squeegee assembly
and slide squeegee into slots on squeegee mount
bracket (Figure 4).
FIG. 4
4. Tighten thumb knobs securely.
5. Connect vacuum hose from machine to squeegee
assembly (Figure 5).
FIG. 5
INSTALLING BRUSH OR PAD DRIVERS
1. Turn main switch to the on position.
2. Make sure the scrub head is raised by turning off
the brush switch (Figure 6).
FIG. 6
3. Turn main switch to the off position.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface and turn off
machine.
4. Unfasten black latch at front of machine and hinge
open skirt housing to access motor hub (Figure 7).
FIG. 7
5. Select recommended pads or brushes that best
meets your cleaning needs.
NOTE: Consult an authorized distributor for pad/brush
recommendations.
6. (For Pad Installation) Attach pads to pad drivers
before connecting drivers to motor hub. Secure
pads with plastic centerlock ring (Figure 8).
FIG. 8

OPERATION
10 Tennant 5500/5520 (12--06)
7. Align pad driver mounting studs with slots in motor
hub. Give the driver a quick turn toward the motor
hub spring clip. Be certain that spring clip locks
into one of the studs before operating machine
(Figure 9).
FIG. 9
NOTE: Always make sure pad drivers and motor hub
surfaces are always clean before installing drivers.
Clean surfaces will ease pad driver removal later.
8. Close skirt housing and refasten latch.
FILLING SOLUTION TANK
1. Transport machine to filling station. Raise
squeegee and brush when transporting.
2. Turn main switch to the off position.
3. Remove fill-port cover at front of machine and fill
solution tank with 17 gal / 64 L of clean water,
140°F/60°C maximum temperature. Or use the
rear fill port to fill solution tank. Pull off plug and
insert hose to fill. The clear tube below the fill port
has 5 gal / 19 L increment markers to indicate
amount of water in tank (Figure 10).
FIG. 10
NOTE: If filling with a bucket be certain that bucket is
clean. This will prevent possible solution line clogs.
4. Add cleaning chemical. See proper dilution ratio
instructions on bottle.
FOR SAFETY: When using machine, follow mixing
and handling instructions on chemical containers.
ATTENTION: Use only recommended cleaning
chemicals, DO NOT use substitutes. Consult an
authorized distributor for recommendations.
WARNING: Fire or Exposion Hazard.
Never Use Flammable Liquids.
MACHINE OPERATION
FOR SAFETY: Do not operate machine unless
operator manual is read and understood.
PRE--OPERATION CHECKS
SSweep and dust mop floor to remove particles and
other debris.
SCheck battery meter charge level to ensure
batteries are fully charged (See CHARGING
BATTERIES).
SCheck condition of pads or brushes.
SCheck condition of squeegee blades.
OPERATING MACHINE
1. Adjust control grips to a comfortable operating
height, squeeze together the two levers below the
console (Figure 11).
FIG. 11
2. Disengage squeegee lift lever from the up position
and lower squeegee (Figure 12).

OPERATION
Tennant 5500/5520 (12--06) 11
FIG. 12
3. Turn main switch to the on position.
4. Turn brush switch to the on position to lower scrub
head to the floor (Figure 13).
FIG. 13
5. Turn vacuum switch to the on position.
NOTE: The brushes and solution flow will not start
until control grips are rotated.
6. Before starting, turn speed control knob to slowest
setting (Figure 14).
7. Begin scrubbing by rotating control grips forward.
Gradually increase your speed by turning speed
control knob forward (Figure 14).
FIG. 14
8. Once machine begins to move, check the needle
position of the brush pressure meter. Use the (2)
pressure adjustment switches to adjust brush
pressure. Never operate machine in the red zone
(Figure 15).
FIG. 15
ATTENTION: To prevent floor damage and brush
motor overload, do not operate brush pressure
meter in red zone.
9. To operate machine in reverse, simply pull reverse
switch backwards (one speed)
(Figure 16).
FIG. 16
10. To stop machine, release control grips.

OPERATION
12 Tennant 5500/5520 (12--06)
WHILE OPERATING MACHINE
FOR SAFETY: When using machine, go slow on
inclines and slippery surfaces.
WARNING: Fire Or Explosion Hazard. Do Not
Pick Up Flammable Materials Or Reactive Metals.
1. Observe amount of solution flow on floor. To
increase or decrease water flow, adjust solution
control knob (Figure 17).
FIG. 17
2. Periodically observe recovery tank for excessive
foam. If excessive foam appears, pour a
recommended foam control solution into recovery
tank.
ATTENTION: Do not allow foam or water to enter
float shut--off screen, vacuum motor damage will
result. Foam will not activate float shut--off
screen.
3. Always operate at a slower speed when scrubbing
around walls or obstacles.
4. Always reduce speed to maintain control when
turning machine.
5. If squeegee leaves streaks, raise and wipe blades
with a cloth. Pre-sweep area to prevent streaking.
6. Overlap each pass by 2 in / 51 mm.
7. Change or turn over pads when worn.
8. Stay clear of floor obstructions, such as electrical
plates or grates, they will destroy pads.
9. During brief stops, you do not have to turn off any
switches, the brushes and solution flow will
automatically stop when control grips are
released.
10. Periodically check battery meter discharge level.
When needle drops to the red zone, recharge
batteries.
ATTENTION: Do not continue to run machine
when battery meter needle is in the red zone,
battery damage will result.
11. While cleaning, view clear tube at rear of machine
for remaining cleaning solution. Each mark on
hose indicates 5 gal / 19 L.
12. When solution tank runs dry, turn off brush switch,
and continue to vacuum until all dirty water is
consumed. Then drain recovery tank
(See DRAINING TANKS).
STOPPING MACHINE
1. Turn off brush switch, and continue to vacuum
until all dirty water is consumed.
2. Release control grips.
3. Raise squeegee.
4. Turn off switches and remove key if equipped.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface and turn off
machine.
EMERGENCY STOPPING (OPTION)
To stop machine in case of an emergency, hit the red
power kill button located at rear of control console.
The power kill button immediately stops all power to
machine (Figure 18).
To reset power kill button, shut off all switches and
turn kill button to the right. Resume to normal
operation.
FIG. 18

OPERATION
Tennant 5500/5520 (04--05) 13
CIRCUIT BREAKERS
The machine is equipped with (4) circuit breakers to
protect machine from damage.
If circuit breakers should trip, the breakers will not
reset immediately upon tripping. Determine reason
why breaker tripped, allow motor to cool and reset.
Brush motor circuit breakers will trip due to excessive
overload on pad. Reduce pad pressure or replace pad
if breaker should trip.
The main and drive/vacuum circuit breakers are
located at the rear of machine. The brush motor circuit
breakers are located near the charging plug
(Figure 19).
-- 10A Main Circuit Breaker
-- 35A Drive Motor/Vacuum Circuit Breaker
-- 30A Brush Motor Circuit Breaker (2)
Brush Motor
Circuit Breakers
FIG. 19
DRAINING TANKS
FOR SAFETY: Before leaving or servicing
machine, stop on level surface and turn off
machine.
DRAINING RECOVERY TANK
When finished scrubbing or when refilling solution
tank, recovery tank should be drained and cleaned.
ATTENTION: If recovery tank is not drained
before refilling, foam or water will enter float
shut-off screen and vacuum motor damage will
result.
1. Remove drain hose from holder, position hose
over floor drain and twist off drain hose cap. To
completely drain recovery tank, hinge open tank
and flip up tank support stand to rest tank on
(Figure 20).
NOTE: If using a bucket to drain machine, do not use
same bucket for filling solution tank. This will prevent
possible solution line clogs.
FIG. 20
2. Clean recovery tank after each use. Use a hose to
rinse out tank. Be careful not to spray water into
float shut--off screen.
3. Replace drain hose cap tightly after draining.
DRAINING SOLUTION TANK
To drain leftover cleaning solution from solution tank,
perform the following steps:
1. Pull clear hose off hose barb at rear of machine
and drain solution into floor drain or bucket
(Figure 21).
FIG. 21
2. Rinse out solution tank and solution flow system
with clean water after each use. This will prevent
clogging due to chemical buildup.
3. Reconnect solution tank drain hose securely after
draining.

OPERATION
14 Tennant 5500/5520 (04--05)
CHARGING BATTERIES
ATTENTION: To prolong the life of the batteries
and to provide optimum machine performance,
ONLY recharge the batteries after a total of 30
minutes of use or more. Do not leave batteries
discharged for lengthy periods.
The following charging instructions are intended for
battery chargers supplied with the machine. Only use
a battery charger with the following specifications to
prevent battery damage.
BATTERY CHARGER SPECIFICATIONS:
SCHARGER TYPE: FOR LEAD ACID BATTERIES
SOUTPUT VOLTAGE - 24 VOLTS
SOUTPUT CURRENT - 25 AMPS MAXIMUM
SAUTOMATIC SHUT--OFF CIRCUIT
SFOR DEEP CYCLE BATTERY CHARGING
1. Transport machine to a well ventilated area for
charging.
WARNING: Fire Or Explosion Hazard.
Batteries Emit Hydrogen Gas. Keep Sparks And
Open Flame Away. Keep Battery Compartment
Open When Charging.
2. Before charging the batteries, check the
electrolyte level in each battery cell (Figure 22).
FIG. 22
FOR SAFETY: When servicing machine, wear
protective gloves and eye protection when
handling batteries or battery cables. Avoid contact
with battery acid.
The electrolyte level (A) should slightly cover the
battery plates (B). Add distilled water as needed.
DO NOT OVERFILL, the fluid may expand and
overflow while charging. Replace cell caps before
charging (Figure 23).
A
B
FIG. 23
3. Connect the charger’s AC power supply cord to a
properly grounded receptacle (Figure 24).
Grounded
3HoleOutlet
Ground Pin
FIG. 24
4. Plug charger’s DC output connector to battery
connector located near battery compartment
(Figure 25).
FIG. 25
5. The charger will automatically begin charging and
shut off when fully charged.
6. Rest the recovery tank on the support stand to
promote ventilation during charging (Figure 26).

OPERATION
Tennant 5500/5520 (04--05) 15
FIG. 26
ATTENTION: Do not disconnect the charger’s DC
cord from the machine’s receptacle when the
charger is operating. Arcing may result. If the
charger must be interrupted during charging,
disconnect the AC power supply cord first.
WARNING: Fire Or Explosion Hazard.
Batteries Emit Hydrogen Gas. Keep Sparks And
Open Flame Away. Keep Battery Compartment
Open When Charging.
7. After charging, check the electrolyte level (A)
again. The level should be approximately 1 cm
(0.38 in) from the bottom of the fill--port (B)
(Figure 27). Add distilled water if needed.
DO NOT OVERFILL.
A
B
FIG. 27
MACHINE MAINTENANCE
To keep the machine in good working condition, simply
follow the daily, monthly and quarterly maintenance
procedures.
WARNING: Electrical Hazard. Disconnect
Battery Cables Before Servicing Machine.
DAILY MAINTENANCE
(After Every Use)
1. Remove and clean pads/brushes. Never use
soiled pads when cleaning. Replace pads when
they become loaded with residue.
2. Remove and clean lint from float shut--off screen
located in recovery tank (Figure 28).
FIG. 28
3. Drain and rinse tanks thoroughly. After draining
tanks, hinge recovery tank until you can see
vacuum intake hole at rear of tank. Remove any
debris in hole if necessary.
4. Raise squeegee and wipe it off with a dry cloth.
Store squeegee in the up position to prevent
squeegee damage.
5. Clean the machine with an all purpose cleaner and
damp cloth (Figure 29).
FOR SAFETY: When cleaning machine, do not
power spray or hose off machine. Electrical
malfunction may occur.
FIG. 29
6. Recharge the batteries after a total of 30 minutes
of use or more (See CHARGING BATTERIES).

OPERATION
16 Tennant 5500/5520 (12--06)
MONTHLY MAINTENANCE
(Every80HoursofUse)
1. Check fluid level in battery cells (See BATTERY
MAINTENANCE).
2. Clean battery tops to prevent corrosion (See
BATTERY MAINTENANCE).
3. Check for loose or corroded battery cables.
4. Remove inline strainer filter and rinse out. Before
removing filter, be certain solution tank is empty.
Filter is located under machine at rear (Figure 30).
FIG. 30
5. Lubricate caster grease fittings with a water
resistant grease.
6. Lubricate all linkage pivot points with silicone
spray then coat with a water resistant grease to
maintain a smooth operation.
7. Check machine for water leaks and loose nuts and
bolts.
QUARTERLY MAINTENANCE
(Every 250 Hours of Use)
Check the drive transaxle motor, the vacuum motor
and the brush motor for carbon brush wear. Replace
carbon brushes when worn to a length of
0.38 in / 10 mm or less.
Contact an Authorized Service Center for machine
repairs.
FOR SAFETY: When servicing machine, all repairs
must be performed by a qualified service person.
WARNING: Electrical Hazard. Disconnect
Battery Cables Before Servicing Machine.
SQUEEGEE BLADE REPLACEMENT
The squeegee has two squeegee blades. The rear
squeegee blade has four wiping edges, the front blade
has two wiping edges. When the blades become worn,
simply rotate the blades to a new wiping edge.
Replace blade if all wiping edges are worn.
Rotating or replacing the rear blade:
1. Remove the squeegee assembly from the machine.
2. Loosen the band clamp and remove the band from
the squeegee assembly (Figure 31).
FIG. 31
3. Rotate the rear blade to a new wiping edge and
reinstall the band (Figure 32).
FIG. 32
Rotating or replacing the front blade:
1. Remove the squeegee assembly from the machine.
2. Remove the six thumbscrews holding the retainer
and squeegee blade to the squeegee frame.
Rotate the squeegee blade end for end to allow a
new edge to face the front of the machine. Make
sure the notched edge of the blade is facing
downward (Figure 33).
FIG. 33

OPERATION
Tennant 5500/5520 (12--06) 17
SQUEEGEE BLADE ADJUSTMENT
For optimum squeegee blade performance, the
squeegee assembly casters must be adjusted to a
specified height as described below.
1. To check the squeegee assembly for proper
adjustment, remove the squeegee assembly from
the machine and place it on a level surface.
Measure the distance between the caster and the
surface. It should measure approximately
1/16 in / 2 mm (Figure 34).
2. To adjust the caster height, loosen the top nut and
remove the plastic bearing cover to access the
adjustment nut. Turn the adjustment nut until
properly adjusted (Figure 34). After adjusting,
tighten the top nut and replace the plastic bearing
cover. Repeat step for the other caster.
1/16 in
2mm
FIG. 34
3. During machine operation, with the casters
properly adjusted, the squeegee blades should
deflect as shown (Figure 35).
FIG. 35
BATTERY MAINTENANCE
WARNING: Fire Or Explosion Hazard.
Batteries Emit Hydrogen Gas. Keep Sparks And
Open Flame Away. Keep Battery Compartment
Open When Charging.
FOR SAFETY: When servicing machine, wear
protective gloves and eye protection when
handling batteries and battery cables. Avoid
contact with battery acid.
1. Check the specific gravity using a hydrometer to
determine the charge level and the condition of the
batteries (Figure 36). If one or more of the battery
cells read lower than the other battery cells (0.050
or more), the cell is damaged, shorted, or is about
to fail. Check the hydrometer readings against the
following chart to determine the remaining battery
charge level.
NOTE: Do not take readings immediately after adding
distilled water. If the water and acid are not thoroughly
mixed, the readings may not be accurate.
FIG. 36
SPECIFIC GRAVITY
at 27_C(80_F) BATTERY
CHARGE
1.265 100% CHARGED
1.223 75% CHARGED
1.185 50% CHARGED
1.148 25% CHARGED
1.110 DISCHARGED
NOTE: If the readings are taken when the battery
electrolyte is any temperature other than 80_F/27_C,
the reading must be temperature corrected. Add or
subtract to the specific gravity reading 0.004, 4 points,
for each 43_F/6_C above or below 80_F/27_C.
2. Always follow proper charging instructions
(See CHARGING BATTERIES).

OPERATION
18 Tennant 5500/5520 (07--02)
3. Check the electrolyte level (A) in each battery cell
after charging batteries. The level should be
approximately 1 cm from the bottom of the fill--port
(B). Add distilled water if needed (Figure 37).
DO NOT OVERFILL.
A
B
FIG. 37
4. Keep the battery tops clean to prevent battery
corrosion.
To clean batteries:
FOR SAFETY: When servicing machine, wear
protective gloves and eye protection when
handling batteries and battery cables. Avoid
contact with battery acid.
a. Mix a strong solution of baking soda and water
(Figure 38).
FIG. 38
b. Brush the solution sparingly over the battery
tops and cable connectors.
NOTE: Do not allow baking soda solution to enter
battery cells.
c. Use a wire brush to clean the battery terminals
and cable connectors.
d. After cleaning, apply a coating of clear battery
post protectant to the terminals and cable
connectors.
5. Check for loose or worn cables. Replace if worn.
TRANSPORTING MACHINE
When transporting machine by use of trailer or truck,
be certain to follow tie--down procedures below:
FOR SAFETY: When using machine, go slow on
inclines and slippery surfaces.
1. Remove squeegee from machine and raise scrub
head. Leave pad or brush installed.
2. Load machine using a recommended loading
ramp.
3. Position front of machine up against front of trailer
or truck. Once machine is positioned, lower brush
head.
4. Place a block behind the drive wheel and the rear
casters.
5. Place tie--down straps over top of machine and
secure straps to floor. It may be necessary to
install tie--down brackets to the floor of your trailer
or truck.
STORING MACHINE
1. Before storing machine, be certain to flush tanks
and drain machine of all water.
2. Store machine in a dry area with squeegee
removed and pad driver in the raised position.
3. Remove recovery lid to promote air circulation.
4. When storing machine, raise pad scrub head and
squeegee off floor to prevent damage.
ATTENTION: If storing machine if freezing
temperatures, be certain to drain machine of all
water. Damage due to freezing temperatures is not
covered by warranty.
ATTENTION: Do not expose machine to rain; store
indoors.
RECOMMENDED STOCK ITEMS
Refer to Parts List section for recommended stock
items. Stock Items are clearly identified with a bullet
preceding the parts description. See example below:

OPERATION
Tennant 5500/5520 (07--02) 19
TROUBLE SHOOTING
PROBLEM CAUSE SOLUTION
No power. Faulty main switch. Contact Service Center.
Batteries need charging. See CHARGING BATTERIES.
Faulty battery(s). Replace battery(s).
Loose battery cable. Tighten loose cable.
MAIN circuit breaker has tripped. Determine cause and reset circuit
breaker button.
Brush motors do not operate. Brush switch is not on. Turn on brush switch.
Control grips are not rotated. Rotate control grips.
Brush circuit breaker(s) has tripped. Clean or replace pad or brush and
reset brush circuit breaker button.
Faulty brush motor or wiring. Contact Service Center.
Carbon brushes worn. Contact Service Center.
Faulty brush switch or solenoid. Contact Service Center.
Vacuum motor does not operate. Faulty vacuum switch. Contact Service Center.
Vacuum circuit breaker has tripped. Remove obstruction and reset
breaker.
Faulty vacuum motor or wiring. Contact Service Center.
Carbon brushes worn. Contact Service Center.
Drive motor does not operate. Drive motor circuit breaker has
tripped. Determine cause and reset breaker.
Faulty speed control circuit board or
connection. Contact Service Center.
Faulty solenoid. Contact Service Center.
Faulty drive motor. Contact Service Center.
Faulty wiring. Contact Service Center.
Worn carbon brushes. Contact Service Center.
Drive motor operates improperly. Faulty potentiometer or speed control
board. Contact Service Center.
Loose wire connection Contact Service Center.
Little or no solution flow. Solution flow adjustment knob needs
adjusting. Turn solution flow knob clockwise to increase flow.
Solution line or solution tank filter is
clogged. Remove hose and blow compressed air through it. Flush solution tank after
each use.
Solution valve or solenoid is clogged. Remove valve or solenoid and clean.
Do not scratch inside of valve.
Faulty solution switch or solenoid. Contact Service Center.
Loose set screw on solution knob. Calibrate knob and retighten screw.
Short run time. Batteries not fully charged. Charge batteries.
Bad cell in one or more batteries. Replace battery.
Batteries need maintenance. See BATTERY MAINTENANCE.
Faulty charger. Replace battery charger.

OPERATION
20 Tennant 5500/5520 (12--06)
TROUBLE SHOOTING --continued
PROBLEM CAUSE SOLUTION
Poor water pick up. Recovery tank is full. Empty recovery tank.
Ball float shut--off screen inside
recovery tank is clogged. Remove screen and clean.
Squeegee is clogged with debris. Clean squeegee.
Squeegee blades are worn. Replace squeegee blades.
Squeegee thumbscrews are loose. Tighten thumbscrews.
Vacuum hose connections are loose
or hose has a hole. Push hose cuffs firmly on connections. Replace hose if damaged.
Vacuum hose is clogged with debris. Remove clogged debris.
Recovery tank inlet hole is obstructed. Empty recovery tank and tilt tank
sideways to access inlet hole, remove
obstruction.
Tank gasket is defective. Replace gasket.
Drain hose plug is loose. Tighten drain plug.
Recovery tank lid is loose. Tighten lid.
Vacuum motor is loose. Contact Service Center.
Battery charge level is low. Charge batteries. Do not run machine
when battery meter is in the red zone.
Safety lights do not work. Flasher is burned out. Contact Service Center.
SPECIFICATIONS
MODEL 5500 5520
LENGTH 50 in / 1270 mm 50 in / 1270 mm
WIDTH 26 in / 660 mm 28 in / 711 mm
HEIGHT 39 in / 990 mm 39 in / 990 mm
WEIGHT 375 lb / 170 kg
600 lb / 272 kg with batteries 375 lb / 170 kg 600 lb / 272 kg with batteries
SOL./REC TANK CAPACITY 17 gal / 64 L 17 gal / 64 L
SPEED CONTROL Variable Fwd. / Fixed Rev. Variable Fwd. / Fixed Rev.
CLEANING SPEED (MAX) 24,000 sq ft / 2229.6 m2per hour 26,000 sq ft / 2415.4 m2per hour
CLEANING PATH WIDTH 23.123 in / 587 mm 25.13 in / 638 mm
PAD DIAMETER 2--12in/305mm 2--13in/330mm
PAD PRESSURE Variable 80--150 lb / 36--68 kg Variable 80--150 lb / 36--68 kg
SQUEEGEE WIDTH 33 in / 839 mm 33 in / 839 mm
DRIVE SYSTEM Transaxle, .2 h.p., 24V Transaxle, .2 h.p., 24V
BRUSH MOTOR 2 -- .75 h.p., 220 rpm, 24V, 20A, 550W 2 -- .75 h.p., 220 rpm, 24V, 20A, 550W
VACUUM MOTOR .75 h.p., 3--stage 5.7, 24V, 21A, 550W .75 h.p., 3--stage 5.7, 24V, 21A, 550W
WATER LIFT 68 in / 1727 mm 68 in / 1727 mm
BATTERIES 2--12V, 215AH 2--12V, 215AH
RUN TIME PER CHARGE Up to 4 3/4 hours Up to 4 3/4 hours
DECIBEL RATING AT OPERATOR’S
EAR, INDOORS ON TILE. 75 dBA 75 dBA