Windsor PowerTec 28 User manual

MODELS: PT28, PT34
Warningsand Precautions
3 ElectricalInformation
I Quality Management System '' ' 1
4
5
6
7
8
9
10
11
12
13
14
16
18
Controls
Operating Instructions
- FillingTank
Maintenance
- Lubrication
Vacuum Motor
HoodAssembly - BrushMotor Assembly
BrushDriveSystem
Squeegee
Squeegee Lift Mechanism
Bodywork
Tanks
- Hoses - Casters - Frame
DriveSystem
MechanicalControls
ElectricalControls
20 Plumbing - PumpOption
21 Wiring Diagram
22
Troubleshooting Chart - Spare Parts List
WINDSOR'
INDUSTRIES, INC., 1351 W. Stanford Ave., Englewood CO 80110 USA '303-762-1HoO'FAX 303 - 762 - 0817
98210F 4114/94
POWERTEC 28lz
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IMPORTANT SAFETY INSTRUCTIONS
When using battery powered machines, basic precautions should always be followed,includingthe following:
WARNING: READ ALL INSTRUCTIONSBEFORE USING MACHINE
A
Operatefrom the rear of the machineonly.
Use cautionwhen operatingthe machineon a rampor incline.
Do not turn the machine, or leaveit unattended,on a ramp or incline.
Machinecan cause an explosionwhen operated near flammable vapors
or materials .
Store machine inside. Keepthe electrical components of the machine dry.
Leadacid batterieshavea number of inherentdangers, carefully readthe
instructions andwarnings which accompanythe batteriesand batterycharger.
REMEMBER:
well ventilatedarea. Keepsparks andflames away from the
batteries.
Do not smoke aroundthe batteries. Avoid skin contactwith the acidcon -
tained inthe batteries. Always wear eye protectionand protectiveclothing
when working on
or near batteries. Never allow metalobjects to lay across
batterytops.
The batteriesgenerategasseswhich can ignite. Always charge in a
All maintenanceandrepairsmust bedone by qualified personnelonly.
Maintainadjustments
on machineas specified inservice manual.
Makesure all warning andcaution labelsare legibleandproperly
attachedto the machine.
Record
the modeland serial number on the blue data label locatedat the rear of the machine .
These numbers are usedwhen calling upon the Windsor dealer for parts and service.
MODEL SERIAL NO. PURCHASE DATE
IMPORTANT SHIPPING NOTE
Carefully unpack your scrubber and inspect it for shippingdamage. Any damages which
- occurredduringshipping arethe responsibility of thecarrier,who must be notifiedimmediately.
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2 POWERTEC 28/34
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BAlTERYARRANGEMENT
Battery Maintenance:
1 .) When cleaningbatteries use a solutionof baking
sodaandwater. (Do not allow cleaningfluidto enter
inside batterycells.)
2.) Keepa properelectrolytelevelinbatterycells.
3.) Wipe downthe batterytops at least once a
week.
If a cell shouldaccidently overflow, clean
immediately.
4.) Test batteryconditionwith a hydrometerat least
once as week.
5.) Ensurethat allconnectionsare tight andthat all
corrosionis removed.
6.) Every
4 to 6 months remove batteriesfrom the
machineandcleanthe batterycompartment.
Spare Partsand Accessories:
021 00 Hydrometer
02101 BatteryPost Cleaner
02102
02103
02093
23125 Cable, 12
" Red
78206 Liner, BatteryTray
Battery, 6 VDC,
245 Amp Hour
Battery, 6VDC, 305Amp Hour
Charger, 36VDC, 20 Amp, Auto Shut
- Off
lw
PO WERTEC 28/34
Battery Charging Procedure:
Always chargethe batteries beforeoperating.
The machinewill runfor hourson fully charged,
well maintainedbatteries.
WARNING:
DO NOT SMOKE, HAVE OPENFLAMES, OR
SPARKS NEAR BATTERIESAT ANY TIME.
WEAR EYE PROTECTIONAND PROTECTIVE
CLOTHINGWHEN WORKINGWITH BATTERIES.
CHARGEBAllERlESIN
A WELL VENTILATED
AREA WITH THE HOODOPEN.
1 .) Use a 36 volt, 20 amp maximumoutput, D.C.
charger which turns itself off, when the batteries are
fully charged. The charger must have a connector
that matchesthe machines batteryconnection.
2.) Readthe instructionsandwarnings providedby
the batterycharger manufacturer.
3.) Setthe charger inawell ventilatedareaon a lev -
el surface. Makesure cords will easily reach outlets
on bothmachineandwall.
4.) Connect charger to D.C. outlet on machine
first.
5.) Connectthe A.C. power cordto properly
groundedwallsocket.
NEVER MAKETHE A.C.
CONNECTION FIRST, HAZARDOUSSPARKS MAY
RESULT.
6.) After the batteries are completely chargeddiscon -
nectthe charger fromthe A.C. wall socket.
7.) Oncethe charger isdisconnectedfrom the A.C.
wall socket it is safe to disconnectthecharger from
the machine. /Battery
8.) Whenthe batteries k* Cap
are fully charged, checkthe
electrolyte levelby removing
the caps ontop of the
batteries.
If necessary fill
the cells with distilledwater
Full
1 14'
- -
as shown inthe diagramto
the right.
Be careful notto
overfill
cells.
of
tube
3
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CONTROLS
f-+ n
B
1.)
Mainpower switch. Turns on and off
power to machine.
2.)
Brush Switch OnlOff.Green light on
indicatesbrushes are on.
3.)
only be runwith
4.)
Pump Switch On/Off. (Optional) light
“On” indicates pump ison. Should
Vacuum Switch On/Off. Light “On”
indicatesvacuum
is on.
5.) BrakeSwitchOn/Off. Indicates
brake is set. Brushwon’t run.
6.) Drive Handle. Controlsdirection &
speed of machine.
‘Always Ilft squeegee beforemovlng machlne In reverse
7.) Main Handle.
8.) Brush Motor Circuit Breaker. Protects
brush motor from overheating.
9.) Drive Motor Circuit Breaker. Protects
drive motor from overheating.
10.) Brush MotorCircuit Breaker. Protects
brush motor from overheating.
11.) Vac Motor Circuit Breaker. Protects
vac motor from overheating.
12.) Squeegee LiftLever. Raises and
lowers squeegee.
13.) RecoveryTank CleanOut Door
14.) RecoveryTank Drain Hose.
15.) Solution Tank Drain Hose.
16.) Scrub Deck LiftLever. Raises and
lowersscrubdeck.
17.) SpeedControl. Adjusts drive motor
speed
18.) Solution Control Lever. Opens and
closessolutionvalve.
19.) Solution Light. Blue light on indicates
solution valve is open.
20.) Hour Meter. Continuously logs run
times.
21 .) Battery Charge Level Indicator.
4
Tu
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ODeratron;
FillSolutionTank
1 .) Pressdown on the solutiontank door
until
it locks in place.
2.) Use a clean bucketto fill the tank with
hotwater.
CAUTION :
Do notusewatertemperatures in excess
of
150" F (65" C). Water which istoo hot
may distort the polyethylenetanks.
3.) Add a cleaning concentratefor use in
automatic floor scrubbers. Closely
followthe manufacturesinstructions
found on container. Read ingredients
listedonthe containerto ensurecom
-
patiblechemicalsareused. The PT28
solutiontank capacity is 21 gallons
(79 liters). The PT34 solution tank
capacity is25 gallons (95liters).
CAUTION:
Use only the suitable chemicals listed
below. Using incompatible chemicals
will damage the machine. Damages
of
thistypearenotcoveredunderthe 6 - 3 - 1
warranty. Carefully read ingredients on
manufacturer's label before using any
product
in this machine.
SUITABLE
CHEMICALS
Alkalis
Clorox
II Bleach "
DefoamingAgents
Detergents
Hydroxides
Oxygen Bleaches
Soaps
Sta
- Puf FabricSoftener "
Vinegar
White Monday Bleach'
INCOMPATIBLE
CHEMICALS
Aldehydes
Aromatic Hydrocarbons
Butyls
CarbonTetrachloride
Clorox
"
ChlorinatedBleaches
ChlorinatedHydrocarbons
D - Llmonene
Lysol'
Methyls (MEK)
Perchlorethylene(p8rc)
Phenol6
Trichlorethylene
4.) Press on the solutiontank door to
releasefrom locked position.
TN
POWERTEC 28/34
Turn mainpowerswitchon
1.)
Ensurethat the scrubdeck is raised,
andthat the brushes are installed.
2.) Stand behindmachine.
Open solution valve
1 .)
Press solution leverforward.
2.)
Blue lightcomes on when solution
valve isopen.
3.)
Optional pumpswitch is only usedfor
accessory tool operation. (Page20)
Lowerthesqueegee
1.)
Pressdown on squeegee lift lever to
release
it from groove.
2.)
The handlewill be atthe top of the
slotwhen the squeegee
is lowered.
Turn onthe vacuum
Turn
on brushmotors
1.) Pressdown on the scrubdeck lift
lever and lock into bottomgroove,
raisingthe scrubdeck.
CAUTION:
Runningthe brusheswith the scrub
deck loweredwithout movingthe
machinemay damage the
floor.
2.)
Turn on the brush motors.
3.)
The brushswitchwill be lit when the
brush motors are running.
4.)
Slowly releasescrubdeck liftlever
loweringbrushesto the floor.
Releasebrakeswitch
1.)
When the brakeswitch is lit the
machinewill not move.
2.)
To release,or set the brake, press
down on the brake switch.
Begincleaning
1.)
Set speed using speed control.
2.)
To go forward, press down on the
drive handle.
To stop, release handle.
To go in reverse,
lift uponthe handle.
5
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Dailv Maintenance;
BeforeStartingWork Period
1.)
Checkwater levelin batteries. Add
distilledwater as needed (see pg
2).
2.) Check vac motor and floatfor proper
seal. Set vac motor and float back in
place. Reconnectvac motor.
3.) Check vac hoseconnection at
squeegee shoe.
4.) Cleansqueegee blades and check
for wear.
End
of Work PeriodBeforeStoring
1.) Drainbothtanks and rinseclean.
2.) Lift out vac motor and float
assembliesto allow recoverytank
to dry.
3.) Removebrush or paddriver. Hangor
set upsidedown in a dry place.
4.) Wipe down the exterior of the
machinewith a damp cloth.
5.) Raisesqueegee assemblyto “store”
position.
6.) Charge batteries (see page 2).
Weewtenance;
Use a hydrometerto check the
conditionof each battery
cell.
Check battery cable clamps. Ensure
clamps are tight on battery terminals.
Cleantops of batterieswith
a wet
cloth and a solution of water and
baking soda. Wipe battery tops dry
after cleaning.
Check brush lockinglugs for
looseness or damage.
Check solutionstrainer. Remove
cap
and screen and rinseclean.
Ensurethat the chain, pivot points,
and casters are properlylubricated.
Tighten any loosescrews or nuts.
4 to 6 Month Maintenance;
Removebatteries
- clean battery tray
and battery compartment.
Clean batterycable clamps and
batteryterminals.
Removethe lowerfront cover and
check the drive chain tension.
Tighten, clean and lubricate
if necessary.
Checkcarbon motor brushes
in the
Vac, Drive, and Brush motors.
Use
a vacuum to removelint or dust
build
- upfrom motor windings.
Inspectthe solution cable travel.
Clean and lubricate
if necessary.
The following symbols foundthroughout
the manual indicate items requiring
lubrication:
~pp~ygrease
Use spray lubricant.
Use anti
- seizewhen repairing.
usepressurewashers
to clean sealedgearboxes or
bearings.
If it becomes necessaryto
clean under machinewith a
pressurewasher; Ensureall
items notedare
re
- lubricated.
lN
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Wire Terminal Y Important:
PARTS
LIST
KEY PART NO. DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
13
53177
14548
35087
08040
35089
8701
3
70360
341
59
571 05
67171
76083
76085
53718
Vac Motor, 36 V DC
Brushes, Carbon Replacement
Gasket,
5.7 Vac Motor
Base,Vac Motor Mounting
Gasket, Vac Base Seal
Washer,
114 ID x 5/8 OD SS
Scr, 1/4 - 20 PHMS
Float Asm, VAc Shut - Off
Nut,
1/4 - 20 w/ Star Washer
Screw,
All Thread 1 /4 - 20
Connector, Housing Plug Socket
Terminal,
14/10 Ga.
Motor Asm, (Items
1, 11,12)
11 &12
When replacing
carbon vac
motor brushes
loosenwire
terminal
I I1
BEFORE
removing screws
on bracket.
Important:
Replacecarbonvac mo -
tor brushes if worn
downto
3/8 in length.
These brusheswear
quicker as the length
shortensdue to
in -
creased heat.
Spring inside brush
housingwill damage
motor
if brushes are
allowed to completely
wear away.
Note:
6'
4
-i7
6
II
Removeand Allow to Dry
Items 1,3, & 8 should be set aside at the
end
of eachwork day and allowedto dry.
Never runthe machinewithout item
8 in
place.
For the bestvacuum performance,be
sure items
1,3, & 4 form a good seal.
Place
stop in
groove.
1.) At the end of eachwork period,with
the machine
off, disconnect the motor
leads (Items
9 & lo), and removethe
Vac Motor. Allow to dry.
2.) Cleanthe Vac shut - off (item 8) atthe
end
of eachwork period.
Allow to dry.
3.) Periodicallycheckthe length of the
carbon brushes (item
2). Replacecarbon
brusheswhich are
less than 3/8 long.
IM
POWERTEC 28/34
7
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HOOD ASSEMBLY PARTS LIST:
BRUSH MOTOR PARTS LIST:
8
2
3
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Brush Installation: Brush Removal:
1.) Slide brush or paddriver under drive 1.) Raise brushor paddriver off floor (press
plate. down handle at rear
of machine and
2.) Align one metallug on the brush or lock - in to right).
paddriver with the scrub deck sight hole
2.) Reach under brush or paddriver and rotate
(A) and a keyhole inthe drive plate.
so that the metal lug inthe drive plate is
3.) Raisethe brushor paddriver upward visible throughthe scrub deck sight hole
and twist towards the outside until locked. (A)
3.) Quicklytwist brush or paddriver to insideto
release.
PAD DR IVER & B RUSH OPTIONS;
PART NO. DESCRIPTION
24 02183 Brush, 14 " Nylon Rotary
Brush, 17,Nylon Rotary
Pad Driver, 14" Gry pad
lock
PadDriver, 17" Gry pad lock
PadDriver, 14 " Yellow pad lock
PadDriver, 17" Yellow pad lock
02184 Brush, 14Polypro Rotary
02185 Brush, 14Mal
- grit Rotary
02186
02187 Brush, 17
" Polypro Rotary'
\, 02188 Brush, 17 " Mal - grit Rotary
02189
02190
02195
02196
\
Splash Skirt Adjustment
1.) Lower brushor pad.
2.) Loosen knob (counter - clockwise), \ .
then adjust vinyl skirt to floor level
\
and re - tighten.
17
PARTS LIST:
14 62141 Plate, Brush Drive
15 27470 Couplinn, Brush Drive
\
1,
1
See Odlons:
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Attach Squeegee
121
When attaching or removingthe squeegee, placethe lift mechanism inthe raisedposition by
pressing down on the squeegee lift lever until it locks at the bottom of the slot.
17A;B
PARTS LIST:
There are (4) squeegee adjustments:
1 .)
2.) Squeegee camber adjustment,
3.)
Squeegee " Down Pressure " adjustment
knob, found atthe top of the spring (#3 pg 11).
angle top andbottom ( #2 pg 11).
Tracking adjustment, angleside to side
(# 19, 20, & 21 pg 11).
Adjusting
10
4.) Rearsqueegee su
wheel. 1W
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7
/
24
Camber Adjustment
PressureAdjustment
Squeegee Tracking Adjustment
(There
are two adjustments, right
21
22’
PARTS LIST:
. -
side not shown). -
Ty
POWERTEC 28/34
11
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1 A,B
PARTS LIST:
I
15B 27393 Cover, PT34 Main
12
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TM
POWERTEC 28/34
37 7-3302 Sprina. Solution Door Latch
38
57104 Nut. #lo-32 Hex w/ Star Washer
39 70279 Screw.
#1OB x 1L22HST
40 Door. solution Door
lution Door
291 46
-eHinae. So
43 71058 StiffanaLSnlutian Door Strip
43A 75133 Tank..€?E-Wn
438 75138 Tank. PT34 Solution
Fcam&m,FT38
448 34222 FrameAsm. PT34
13
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FOAM FILLEDWHEELS
PT28 and 34 are equippedwith non
serviceable foam filled tires.
There is no needto check pressure
or inflatetires.
CHAIN ADJUSTMENT BOLT
1.) Loosen nut and boltfastening motor
to frame (item 10 all).
2.) Loosen nut (13), to free Adjusting
Bolt
(12).
3.) Adjust bolt (1 2) to appropriatetension
FRICTION BRAKE
1.) Install star hub (A) on motor shaft
using key
(B). Leave 1/32 inch
space betweenhub and motor and
bell. Secure hub to shaft.
2.) Installbrake lining (C) on star hub.
3.) Fastenbrake magnet assembly (D)
to the motor and bell with (3)
socket headscrews (E.)
CAUTION:
Periodicallycheck brake operation. If you
can easily pushor
pull the machinewith
the main switch
OFF, the brake needs
adjusting
.
1.) Loosen (3) mounting screws (E)
just enough to allow movement of
the
(3) hollowadjustingscrews. (F).
2.) Use a feeler gaugeto check air gap
at each adjusting screw to insure
concentricity. The air gap should be
adjusted when brake is worn to
threetimes greater than
norma1(.024).
14
REPAIRS
1). Removedrive chain.
2.) Disconnectfriction brake leads.
3.) Remove (4) nuts holding motor to
frame.
4.) Remove inspectionbandto check
motor brushes. Replace when
worn to
3/8.
5.) When reinstalling motor makesure
motor sprocket
is in line with
sprocketon differential. Installchain
and adjust tension with motor
adjusting bolt.
Retighten lock nut
after makingadjustment.
POTENTIOMETERADJUSTMENT
If the machine creeps with the traverse
bar in neutral position the potentiometer
will needto be adjusted.
To adjust - Raiseone wheel off the floor
and stabilize machine. With the main
power switch
“ON” and control lever inthe
neutral position loosen the set screw on
the potentiometer pivot mechanism: turn
screwdriver: adjusting the potentiometer
until the raised wheel stops rotating.
Retightenthe set screw and lower the
machineto the floor.
JI
. u.
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Caution: Usinga pressure washer
can damage
sealed parts (#26 & 27)
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16
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CAUTION:
Do not use pressurewashers to clean
sealed gearboxes or bearings.
If it becomes necessaryto clean under
machinewith a pressurewasher; Ensure
all items notedare re
- lubricated.
Cleaning Solution Cabel:
The travel of the solution lever should be
smooth. When it becomes difficultto
movethe solution lever
it may be neces -
sary clean and lubricatethe cable by
spraying a cable lubricantdown intothe
cable housing.
Stiffener Adjustments:
Part numbers 26, 25,35, and 34 are
factory set adjustmentswhich control
vibration. Over the course
of time it may
become necessaryto adjustthese items.
Disconnectone end and adjust by turning.
MECHANICAL CONTROLS PARTS LIST:
23 41150 Handle. Squeegee Lift
24 51137 Linkage. Sa ueeaee Frame Pivot
25 51135 Link=. Saueeaee Nut Adiust
26--5!133- Link-e Rod Ac4j.W -
27 70305 Screw. 5116 - 18 x 314 HHCS
28__.-BZUh: 5116 split I ock
29
crew. 1/4 - 20 x 1/2 HHCS
498 73526 Scrub Deck. PT34
50 70340 Screw. 1 /2 - 13 x 1.50H-HCS
51 70368 Screw, 3/8 - 16 x 1 314 HHMS
52 87003
Washer. 3/8 In x 710 OD
5359 Wheel, Bumper
5493
Bushina. .75 OD x .50 ID fla.
55 57053 Nut.jJ2-13 Flanae Lock
56 70361 Screw, 10 - 32 x 1/2 PHTR
m
POWERTEC 28/34
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To accessthe electrical componentsturn
the
screws at the top of the access door
one quarter turn.
Note: Adjusting iiic puimiiiuiiieiw 13
shown on page 14.
ELECTRICALCONTROLS PARTS LIST:
135 Key SwibLMain Rotaqr
SwitchCover
Screw, 10
- 32 x 112 PHTF
78 72077 Switch. 28VDC w/ 36 v
79 14038
80 72059 Switch,
Push - BW (Head)
81 51099
I amD. 36VDC Byonet)
8270361
a3 NutJ2.23
84 72090 Switch. Rotarv(Block) Brake
85 72050 Switch, Rotarv. (Block)
Pwr
86 38142 Handle. Drive
87 87013 Washer, 1/4I_D_x-5/8OD
SS
Linkaae.ControlRod Adi (Male)
88 51112
89 51113 Linkage.Control RodAdj (Fema
90 14616 BrM. SolutionMta. PT28/34
92 51068 Lever, Solution arm
91 70289 Stud. 5/16
- 18 x 2.12
Ty
POWERTEC 28/34
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Ooermathe P D/34PK with an HFT1 4;
1.) Turn the machine off.
2.) Disconnectthe vac hosefrom the
squeegee assembly.
3.) Connect the HFT14vac hoseto the vac
hoseon the machine.
4.) Connectthe HFT14solution hoseto the
' brassfitting on the rear, lower right, of the
machine.
5.) Raisethe front scrub deck upfrom the
floor and set the brake.
6.) Turnonthe machine,thenturnonboththe
pumpswitch andthe vacuum switch.
CAUTION: Ensurethat thebrushswitchis
turned off when operating the accessory
tool and that the brake is set. Operating
the accessory tool while the brushes are
running may damage the floor.
pump Optiorl;
Shown from rear
of machine. FrT /
18 19
/
c I 111: I
't-d"
\
/
Pump Repa ir Kit:
97'
I
r ,-,
41 088 27225
20
4p\ 'SAB
'ARTS LIST:
16 73543 StrainerAssembly
17 40044 Hosebarb. 1/2 FPTx 1/2
18 56012 Nipple, 1/4FPT
QD
19 40038 Hosebarb, 1/2 MPT x 3/8-&5'-
20 78212 Tee. 3/8 FPT
21 39340 Hose, 1/2Clear x 30
22 70088 Screw, 10
- 32 x 1/2PHMS
urmmta.
Housina.Strainer
zEE7-4454-
24 41184
23 5902 1 0-Rina. Strainer Seal
26 73405 Screen. 80 Mesh
St rainer
C
Cz3/8NPT - PVC
2722372 iner
29 39390 Hosaj/7" In Nylobraid x 14"
--
31 57104 W/ smuastw
37 40013 Hosebarb. 3/8 MPT x 119
33 70066 3/4 PHL
34 40037 PT x 117 90°
358 39339 Hose. 1/2 x 6 1/2Clear (PT34)
36A 73523 Scrub Deck. PT28
368 73516 Scrub
Deck. PT34
22043
39341
Ho.saJl2-W !PT7R!
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