Nilfisk SPS-28 E User Manual
E
Operator's
Manual
READ THIS BOOK
This book has important information for the use and safe operation of this machine. Failure to read this
book prior to operating or attempting any service or maintenance procedure to your ALTO machine could
result in injury to you or to other personnel; damage to the machine or to other property could occur as
well. You must have training in the operation of this machine before using it. If your operator(s) cannot
read this manual, have it explained fully before attempting to operate this machine.
Si Ud. o sus operadores no pueden leer el Inglés, se hagan explicar este manual completamente antes
de tratar el manejo o servicio de esta máquina.
All directions given in this book are as seen from the operator’s position at the rear of the machine.
Model
SPS-28
For new books write to: ALTO U.S. Inc., 2100 Highway 265, Springdale, Arkansas 72764.
Form No. 70100B 4/99 CLARKE TECHNOLOGY Printed in the U.S.A.
Table of Contents
Operator Safety Instructions ................................................................................... 3
Operator Safety Instructions Battery Powered Machine .......................................... 4
Introduction & Machine Specifications .................................................................... 5
How to Prepare the Machine for Operation 28G ..................................................... 6
How to Check the Oil ................................................................................... 6
How to Fill the Gasoline Tank ...................................................................... 6
How to Prepare the Machine for Operation 28B ..................................................... 7
How to Charge the Batteries........................................................................ 7
How to Operate the Machine .................................................................................. 8
How to Operate the Sweeper........................................................................ 8
How to Operate the Side Broom ................................................................... 9
Sweeping ..................................................................................................... 9
How to Empty the Debris Hopper.................................................................. 10
How to Clean Filters ..................................................................................... 10
Parts and Service Manual - Section II
Maintenance Procedures ....................................................................................... 12
How to Check the Engine ............................................................................ 12
How to Clean the engine Air Filter................................................................ 12
How to Lubricate ......................................................................................... 12
How to Adjust the Main Broom..................................................................... 13
How to Adjust the Side Broom Belt.............................................................. 13
How to Adjust the Friction Drive Wheel ........................................................ 13
How to Adjust the Engine Speed (28G) ....................................................... 13
How to Stall a New Main Brush .................................................................... 13
Service Hints............................................................................................... 14
Capacitor Tests........................................................................................... 15
Diode Test .................................................................................................. 15
Assembly drawing for Main Frame, Brush and Drive system................................... 16
Parts List..................................................................................................... 17
Assembly drawing for Engine, Dust Control and Handle ......................................... 18
Parts List..................................................................................................... 19
Assembly drawing for Hopper and Optional Sidebroom Assembly ......................... 20
Parts List..................................................................................................... 21
Assembly drawing for Battery Powered Model SPS-28B........................................ 22
Parts List..................................................................................................... 22
Wiring Diagram...................................................................................................... 24
Parts List..................................................................................................... 25
Schematic Diagram ............................................................................................... 26
Page 2 CLARKE TECHNOLOGY Model SPS-28 Space Sweeper Operator's Manual
OPERATOR SAFETY INSTRUCTIONS
WARNING AVERTISSEMENT ADVERTENCIA
DANGER means: Severe bodily injury or death can occur to you or other personnel if the DAN-
GER statements found on your machine or in your Owner's Manual are ignored
or are not adhered to. Read and observe all DANGER statements found in
your Owner's Manual and on your machine.
WARNING means: Injury can occur to you and to other personnel if the WARNING statements
found on your machine or in your Owner's Manual are ignored or are not
adhered to. Read and observe all WARNING statements found in your
Owner's Manual and on your machine.
CAUTION means: Damage can occur to the machine or to other property if the CAUTION state-
ments found on your machine or in your Owner's Manual are ignored or are not
adhered to. Read and observe all CAUTION statements found in your Owner's
Manual and on your machine.
DANGER: Failure to read the Operator's Manual prior to using this machine could result in injury to
you or to other personnel; damage to the machine or to other property could occur as well.
You must have training in the operation of this machine before using it. If you or your
operator(s) cannot read English, have this manual explained fully before attempting to
operate this machine
DANGER: Machines can cause an explosion when operated near flammable materials and vapors. Do
not use this machine with or near fuels, grain dust, solvents, thinners, or other flammable
materials.
DANGER: Operating a machine that is not completely or fully assembled could result in injury or
property damage. Do not operate this machine until it is completely assembled.
DANGER: Filling a machine with fuel in an explosive or poorly-ventilated area can cause an explosion.
Only fill the fuel tank in an open area. Do not fill the tank near open flames or while the
machine is running. Do not smoke while filling the tank. Do not over-fill the tank. Wipe up
any spills. Tighten the cap on the tank when finished.
DANGER: Always leave the machine on a level surface. The machine could roll and cause injury to
the operator or property damage. When you stop the machine, always put the throttle
lever to stop position until the engine stops.
WARNING: Failure to read and observe all safety statements found on your machine or in this
Operator's Manual can result in serious injury or damage. Read and observe all safety
statements. Make sure that all labels, decals, warnings, cautions, and instructions are
fastened to the machine. Get new labels from your authorized Clarke distributor.
WARNING: To avoid inhaling exhaust fumes, operate machine in a well ventilated area only. Engine
exhaust fumes are dangerous to your health.
CAUTION: Maintenance and repairs performed by unauthorized personnel could result in damage or
injury. Maintenance and repairs performed by unauthorized personnel will void your warranty. Servicing of this unit must always be referred to an authorized Clarke distributor.
CAUTION: Use of this machine to move other objects or to climb on could result in injury or damage.
Do not use this machine as a step or furniture. Do not ride on this machine.
CLARKE TECHNOLOGY Model SPS-28 Space Sweeper Operator's Manual Page 3
Operator Safety Instructions for Battery Powered Machine
CAUTION: Connect or disconnect the battery plug only
when the charger supply cord is
or arcing and burning may result.
CAUTION: Do not expose to rain. Replace defective cords
immediately. If the charger is dropped or otherwise damaged, inspect it thoroughly.
CAUTION: Provide adequate ventilation while charging.
Improper ventilation could cause fumes or
gases to injure the operator or others.
CAUTION: Ne ver wor k on the charger with cords con-
nected to the AC supply or to the batteries.
WARNING: Leave the machine only on a level surface
to avoid injury. When you stop the machine, always put the switch in the "OFF"
position.
WARNING: Batteries must be installed and serviced by
authorized personnel only. Always wear eye
protection and protective clothing when working near batteries. NO SMOKING!
disconnected
WARNING: Lead acid batteries generate gases which can
cause an explosion! Keep sparks and flames
away from batteries. Do not put tools or other
metal objects across the battery terminals or
the top of the batteries.
NOTE: For best results, charge the batteries after each
use.
Page 4 CLARKE TECHNOLOGY Model SPS-28 Space Sweeper Operator's Manual
INTRODUCTION
The Model SPS-28 will effectively and efficiently sweep your floors at minimum cost, provided you operate this
machine with reasonable care and maintain it in accordance with the intructions contained in this operator's
manual.
SPECIFICA TIONS
Gasoline Engine (Model 28G): 5 HP (2.98 kw) Briggs and Stratton (2,150 R.P.M. factory set)
Electric Motor: (Model 28B): ¾ HP (56 kw) D.C. permanent magnet
Batteries: Two 12-volt in 24 volt system (95 amp hours -SAE 6 hr . rate
Charger: 24-volt
Forward Speed: V ariable up to 250 ft./min. (76.2 m/min.)
(35,000 sq. ft. (3252 m
2
)m per hour
Front Hopper: 1.5 cu. ft. (.4m3) capacity
Rear Hopper: 1.8 cu. ft. (.5m3) capacity
Wheel: One 8 inch (20.3 cm) diameter swivel, sealed bearings
Casters: Two 4 inch (10.2 cm) diameter swivel, sealed bearings
Main Broom: 10 inch (25.4 cm) diameter x 28 inch (71.1 cm) long
Polypropyene bristles. Brush height adjustable.
Optional brush for sweeping carpets - Union mix bristles
Broom Speed: 300 RPM
Sweeping Swath: 28 inch (71.1 cm.), 36 inch (91.4 cm.) with optional side broom
Filter: Standard (dry paper) panel type with 34.34 sq. ft. (5.98 cm2)
filtering area. Optional accordian type filter with 55.23 sq. ft.
(5.13 cm2) filter area
Dimensions: 56 L x 33 H x 37½ W over handle
142.2 cm x 83.8 cm x 95.3 cm
Weight - Gasoline 209 lbs. (94.8 kg)
Battery 339 lbs. (153.8 kg)
CLARKE TECHNOLOGY Model SPS-28 Space Sweeper Operator's Manual Page 5
How to Prepare The Machine for Operation
Model 28G (Gasoline Powered)
NOTE: Do not attempt to operate the CLARKE Model
SPS-28 before reading the instructions in this manual.
WARNING: To prevent injury , always wear protec-
tive clothing. Do not wear loose clothing.
Before starting the MODEL SPS -28G follow these instructions:
HOW TO CHECK THE OIL
WARNING: Do not check the engine oil level when
the engine is running. Failure to check
the oil level before you use the machine
can destroy the engine. Always make
sure the machine has the correct amount
of oil.
Follow this procedure to check the oil:
1. Make sure the machine is on level ground.
2. Turn the cap marked "Engine Oil" counterclockwise.
3. Lift the dipstick out of the tube.
4. If the mark is below "OK", add oil.
5. When adding oil, make sure the oil does not pass the mark
"FULL" on the dipstick.
See the engine manual for the correct type of oil.
HOW TO FILL THE GASOLINE TANK
WARNING: Fill the gasoline tank in an open area.
Do not fill the tank near open flames.
Do not fill the gasoline tank while the
engine is running. Gasoline is very flammable and creates vapors. Serious injury
to the operator or others could occur.
WARNING: Gasoline is very flammable. When filling
the gasoline tank, make sure the gasoline only reaches the bottom of the filter
neck of the fuel tank.. Make sure you do
not spill any gasoline. Use a cloth to
remove spilled gas.
WARNING: Do not mix oil with the gasoline. Damage
to the engine could occur.
Fill the gasoline tank only with regular unleaded gasoline. Use
a clean container. Prevent dirt and debris from falling into the
tank. Always tighten the cap on the tank.
Page 6 CLARKE TECHNOLOGY Model SPS-28 Space Sweeper Operator's Manual
How to Prepare The Machine for Operation
Model SPS-28B - Battery Powered
1. Before starting the SPS-28B lift the battery box cover and
make sure the battery cables are connected.
2. Place all controls in "NEUTRAL".
3. Turn OFF/ON switch to "ON" position. (Switch is located on
left side, below hourmeter .
NOTE: The OFF/ON switch is also a circuit breaker which
senses overload on the drive motor and breaks the circuit.
Should this occur, determine the cause of the overload
(e.g., remove the debris jamming the main broom) and
turn the circuit breaker back to the "ON" position.
HOW TO CHARGE THE BATTERIES
Put the charger on a flat surface. Make sure the vents on
the sides of the charger are at least two inches away from
the walls and other objects. Make sure there are no
objects near the bottom vents of the charger.
To charge the batteries, follow this procedure:
1. Turn the machine OFF.
2. Connect the DC connector on the charger to the
connecting plug on the batteries. See Fig. 1
3. Connect the AC plug on the charger to a receptacle
that has the correct voltage and frequency for your
charger. Make sure the receptacle is connected to
the electrical ground.
4. The electronic timer stops the charger when the
batteries are fully charged.
See the instruction book for the charger, and for more
instructions on how to use the charger and charge the
batteries.
Fig. 1
CLARKE TECHNOLOGY Model SPS-28 Space Sweeper Operator's Manual Page 7
HOW TO OPERATE THE MACHINE
NOTE: Do not attempt to operate the CLARKE Model
SPS-28 before reading the instructions in this manual.
WARNING: To prevent injury , always wear protec-
tive clothing. Do not wear loose clothing.
WARNING: Do not check the engine oil level when
the engine is running. Failure to check
the oil level before you use the machine
can destroy the engine. Always make
sure the machine has the correct amount
of oil.
Follow the procedures below when operating the machine:
1. Turn the timer-switch to the "OFF" position.
2. Insert the DC charger plug into the unkeyed battery bank
plug.
3. Plug the AC cord into a single phase grounded outlet with
voltage and frequency corresponding to the charger nameplate. Assure that the circuit has adequate capacity to
handle the nameplate current.
4. Turn the timer-switch clockwise directly to the "ON" position. The AC pilot light and the DC ammeter show that the
charger is on and charging.ammeter show that the charger
is on and charging. The charger will run for a total period of
sixteen (16) hours; the timer-switch knob will rotate
clockwise and automatically turn the charger off when the
pointer reaches the "OFF" position.
5. The charger may remain connected to the batteries for
extended periods without harming the charger or discharging the batteries.
How to Operate the Sweeper
1. Adjust the main broom to correct sweeping* by rotating
broom adjusting lever - clockwise to raise, counterclockwise to lower. (See Fig. 2)
2. Lower the main broom to "SWEEP" setting by placing the
adjusting lever in the horizontal latched position.
Fig. 2
Page 8 CLARKE TECHNOLOGY Model SPS-28 Space Sweeper Operator's Manual
HOW TO OPERATE THE MACHINE (cont)
How to Operate the Side Broom (Optional):
1. Engage the side broom in "SWEEP" position by grasping
the head assembly, pulling forward and rotating downward
until the pin in the arm assembly is against the stop on the
locating collar. Turn off engine or motor when adjusting
sode broom.
2. When adjusting the side broom, the most effective setting
for the side broom is generally having about one-third of the
bristles engaged with the floor in "SWEEP" positon.
3. To change the angle of the broom, to the floor, loosen the
knob and rotate the head assembly until the desired anfle
is obtained.
To change the height of the side broom, i.e., (1) lower or more
bristle contact; (2) higher or less bristle contact, follow these
instructions:
1. Lower the broom assembly to its engaged position and
be certain the locking pin is in its slot on the collar.
2. Loosen the two socket head screws which lock the split
collar to the tubular bumper.
3. Swivel the collar until the correct height is obtained. Hold
in this position, maintaining tension on the side broom belt,
and tighten the two screws to lock the collar.
Sweeping
Stand behind the machine and push the control handle down
toactivate the clutch, which supplies forward motion.
Turning the sweeper will be easier if down pressure is released
on the control handle just before starting to make a turn.
To stop the machine, release the down pressure on the control
handle.
To stop the engine (Model 28G) turn stop switch OFF.
To stop motor (Model 28B), turn OFF/ON switch to "OFF"
position.
CLARKE TECHNOLOGY Model SPS-28 Space Sweeper Operator's Manual Page 9
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