American-Lincoln 6150 User manual

American-Lincoln FORM NO. 56041704 - 1
6150
Instructions for Use
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 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.
All directions given in this book are as seen from the operator’s position at the rear of the machine.
6150
POWER SWEEPER
Form Number 56041704 Revised 3/07 English

2 - FORM NO. 56041704 American-Lincoln
6150
TABLE OF CONTENTS
MACHINE SPECIFICATIONS......................................................................................................................4
MACHINE DIMENSIONS.............................................................................................................................6
MACHINE PREPARATION..........................................................................................................................7
SAFETY PRECAUTIONS............................................................................................................................8
SWEEPER CONTROLS/INSTRUMENTS .................................................................................................10
HORN BUTTON...................................................................................................................................10
LIGHT SWITCH ...................................................................................................................................10
GLOW PLUG SWITCH........................................................................................................................10
CHOKE CONTROL..............................................................................................................................10
KEY SWITCH.......................................................................................................................................11
THROTTLE..........................................................................................................................................11
FUEL GAUGE......................................................................................................................................11
FOOT BRAKE......................................................................................................................................12
PARKING BRAKE................................................................................................................................12
FOOT PEDAL ......................................................................................................................................12
FORWARD MOVEMENT.....................................................................................................................12
BACKWARD MOVEMENT...................................................................................................................12
WARNING BANK.................................................................................................................................13
ENGINE TEMP LIGHT ..................................................................................................................13
ENGINE OIL PRESSURE LIGHT..................................................................................................13
CHARGING SYSTEM LIGHT........................................................................................................13
DUST CONTROL LIGHT...............................................................................................................13
HOPPER TEMPERATURE LIGHT................................................................................................13
DUMP DOOR LIGHT.....................................................................................................................13
SEAT POSITION ADJUSTMENT.........................................................................................................14
TURN SIGNALS (OPTION).................................................................................................................14
BACK-UPALARM................................................................................................................................14
BATTERY CONDITION METER..........................................................................................................14
FILTER SHAKER SWITCH..................................................................................................................15
DUST CONTROL SWITCH..................................................................................................................15
BROOM CONTROL LEVER................................................................................................................15
SIDE BROOM LEVER.........................................................................................................................16
SIDE BROOM ADJUSTMENT.............................................................................................................16
MAIN BROOM LEVER.........................................................................................................................16
MAIN BROOM ADJUSTMENT ............................................................................................................16
HOPPER DOOR LEVER.....................................................................................................................17
HOPPER LIFT LEVER.........................................................................................................................17
DEBRIS DOOR....................................................................................................................................17
DUST BAFFLE.....................................................................................................................................18
HOPPER SAFETYARM......................................................................................................................18
HOPPER FILTER COMPARTMENT COVER......................................................................................18
FILTER PANEL LATCH........................................................................................................................19
HOPPER TEMPERATURE SENSOR..................................................................................................19
ENGINE COMPARTMENT LATCH......................................................................................................19
HYDRAULIC RESERVOIR LEVER SIGHT GAUGE ...........................................................................20
MAIN BROOM COMPARTMENT DOORS ..........................................................................................20
SEAT COMPARTMENT COVER .........................................................................................................20
SEAT COMPARTMENT LATCH...........................................................................................................21
BATTERY CHARGING CONNECTOR ................................................................................................21
HELPFUL HINTS FOR SWEEPING....................................................................................................22

American-Lincoln FORM NO. 56041704 - 3
6150
OPERATING INSTRUCTIONS .................................................................................................................23
BATTERY MACHINE OPERATION .....................................................................................................23
GAS/LP MACHINE OPERATION.........................................................................................................23
INSTRUCTIONS BEFORE STARTING ...............................................................................................24
PRE-START CHECK LIST...................................................................................................................24
TO START BATTERY MACHINES ......................................................................................................24
TO CHARGE BATTERIES...................................................................................................................24
TO START GAS ENGINE....................................................................................................................24
TO START PROPANE ENGINE...........................................................................................................24
TO START DIESEL ENGINE ...............................................................................................................25
TO DRIVE SWEEPER FOR TRANSPORT .........................................................................................25
TO SWEEP WITH THE MACHINE ......................................................................................................25
TO STOP SWEEPING.........................................................................................................................25
TO EMPTY DEBRIS HOPPER............................................................................................................26
POST OPERATION CHECKLIST........................................................................................................26
BATTERY CHARGING INSTRUCTIONS .......................................................................................26-27
MACHINE STORAGE..........................................................................................................................27
SERVICE CHART ......................................................................................................................................28
SERVICE INSTRUCTIONS........................................................................................................................28
MAIN BROOM .....................................................................................................................................30
TO CHECK THE MAIN BROOM SWEEP PATTERN...........................................................................30
TOADJUST THE MAIN BROOM HEIGHT..........................................................................................30
TO REPLACE THE MAIN BROOM......................................................................................................30
MAIN BROOM LEVELADJUSTMENT ................................................................................................30
SIDE BROOM......................................................................................................................................31
TO CHECK THE SIDE BROOM SWEEP PATTERN...........................................................................31
TOADJUST THE SIDE BROOM HEIGHT...........................................................................................31
TO CHANGE THE SIDE BROOM........................................................................................................31
HOPPER..............................................................................................................................................32
TO CLEAN HOPPER...........................................................................................................................32
TO CHECK HOPPER SEALS..............................................................................................................32
DUST CONTROL FILTER....................................................................................................................32
TO CHECK THE DUST CONTROL FILTER........................................................................................32
TO CLEAN THE DUST CONTROL FILTER.........................................................................................32
TO CHANGE THE DUST CONTROL FILTER.....................................................................................33
DUST FLAPS.......................................................................................................................................33
TO CHECK THE DUST FLAPS ...........................................................................................................33
TO ADJUST THE DUST FLAPS..........................................................................................................33
BATTERY SERVICE............................................................................................................................34
BATTERY CHARGING INSTRUCTIONS ............................................................................................34
TO CHARGE THE MOTIVE POWER BATTERIES .............................................................................35
TABLE OF CONTENTS

4 - FORM NO. 56041704 American-Lincoln
6150
SWEEP PATH 50 inches (127 cm) with single side broom
62 inches (157.5 cm) with optional dual side brooms
TRAVEL SPEED
Gas/LP Diesel Battery
0 - 5 MPH 0 - 8 MPH 0 - 4 MPH
TURNING RADIUS
Left 53.5 inches (136 cm)
Right 82.0 inches (208 cm)
AISLE WIDTH FOR U-TURN 90 inches (229 cm)
MAXIMUM RATED CLIMB
Gas/LP 8°
Diesel 8°
Battery 6°
DIMENSIONS
Length 87 inches (221 cm)
Width 51.50 inches (131 cm)
Height 53.00 inches (135 cm)
Height w/Overhead Guard 77.75 inches (197.5 cm)
WEIGHT
Gas/LP 2100 lbs. (955 kg)
Diesel 2100 lbs. (955 kg)
Battery 3420 lbs. (1555 kg)
POWER SOURCE
Gas/LP 20 HP (14.933 kw), 2-cylinder liquid-cooled Kawasaki
24 HP (17.9 kw), 3-cylinder liquid-cooled Kubota
Diesel 20 HP (14.933 kw), 3-cylinder liquid-cooled Kubota
Battery 36 volt system, 2.5 HP (1.87 kw) series wound drive motor
ELECTRICAL SYSTEM
Gas/Diesel/LP 12 volts
Battery-Powered 36 volts
HYDRAULIC SYSTEM
GAS/DIESEL/LP POWERED MACHINES
The engine furnishes power through a coupling to a fixed displacement hydraulic gear pump. The pump
provides controlled oil flow to various operator controlled hydraulic valves which supply hydraulic power to
the hopper dump system and motors on the rear wheel, main broom, side broom, and vacuum fan. Hydraulic
system is protected by two filters, 100 micron and a 25 micron.
BATTERY POWERED MACHINES
The battery powered electric motor furnishes power through a coupling to a fixed displacement hydraulic gear
pump. The pump provides controlled oil flow to various operator controlled hydraulic valves which supply
hydraulic power to the hopper dump system and motors on the main broom and side broom. Hydraulic
system is protected by two filters, 100 micron and 25 micron.
STEERING
Fully Power Steering with single rear wheel steer.
BRAKES
Foot operated drum brakes on front wheels. Hand operated parking brake. When engaged, parking brake
locks the brake foot pedal in the down position.
SPECIFICATIONS

American-Lincoln FORM NO. 56041704 - 5
6150
MAIN BROOM
One-piece, disposable unit with poly core. Standard bristle type is Proex fiber. A variety of bristle types are
available. No tool broom installation or removal easily completed within five (5) minutes. Broom position can
be placed into the free float or restricted down position. Broom pattern is adjusted by control in operator’s
compartment. Offers excellent performance on rough or uneven surfaces.
Length 36 inches (91.5 cm)
Diameter 14 inches (35.5 cm)
Bristle Length 3.25 inches (8.26 cm)
SIDE BROOM
Rotary, disposable type. May be raised, lowered, and adjusted using controls in operator’s compartment.
Broom is retractable to prevent damage caused by hitting walls and racks. No tool broom installation or
removal.
Diameter 21 inches (53.4 cm)
FILTER SYSTEM
One panel filter offers a total filter area of 78 square feet (7.25 m²) and controls dust particles down to two
microns in size utilizing pre-clean baffling system. No tool panel filter installation or removal in less than two
minutes. Panel filter cleaned utilizing patented ‘beater bar’ shaker controlled by the operator. A high volume, 9
inch vacuum fan provides excellent dust control. Filter can be washed.
HOPPER
Constructed of steel, hopper provides adequate ground clearance and floating flaps.
Capacity 10 ft.³ (283 L)
Weight Capacity 700 lbs. (317.5 kg)
BROOMS CONTROLS
A separate lever raises and lowers the main broom which allows it to be set in the restricted down or free float
position. Side broom raise/lower level.
DUMPING SYSTEM
Variable dump empties debris from ground level up to 60 inches.
CONTROLS
A single foot pedal controls travel speed, forward and reverse direction. Equipped with hopper raise/lower
lever, brooms and vacuum on/off lever, filter shaker and horn buttons, key start ignition, battery condition me-
ter (battery machines only), hour meter, fuel gauge (gas machines only), hydraulic oil level, sight gauge and
throttle control.
TIRES Gas/LP/Diesel Battery
Front Two 16” Pneumatic Two 16” Solid Urethane
Rear One 16” Pneumatic One 16” Solid
STANDARD EQUIPMENT
Headlights Dash Lights Taillight
Timed Shaker System Transport Tie Down Cutouts Adjustable Seat
Hydraulic Oil Cooler
OPTIONAL EQUIPMENT
Overhead Guard Non-Marking Tires Solid Pneumatic
Vacuum Wand Turn Signals Brake Light
Clogged Filter Indicator Vacuumized Right Curb Broom Strobe Amber Light
Dual Curb Brooms Arm Rests & Seat Belts Safety Tape
Stainless Steel Hopper Hopper Fire Safety Sensor Back-UpAlarm
Solid Cushion Tires Wet Sweep By-Pass Rear Work Light
SPECIFICATIONS

6 - FORM NO. 56041704 American-Lincoln
6150
MODELNO. SERIAL NO.
WARNING
54.75 "
53.00"
77.75"
197 cm
135 cm
139 cm
60.00 "
147 cm
223 cm
88.00 "
87.00 "
221 cm
C-0725
MACHINE DIMENSIONS

American-Lincoln FORM NO. 56041704 - 7
6150
YOUR SWEEPER HAS BEEN SHIPPED COMPLETE, BUT DO NOT ATTEMPT TO OPERATE WITHOUT
READING AND FOLLOWING THESE INSTRUCTIONS.
PREPARATION
1. Uncrate the sweeper and carefully remove packing material.
2. Inspect the battery connections.
3.^ Fill fuel tank with appropriate fuel.
3.* Install motive power batteries.
4.* Charge batteries using instructions provided with charger. (See Battery Charging Instructions)
WARNING
Risk of personal injury. Never fill fuel tank while engine is running. Always be sure gasoline container and
sweeper are electrically connected prior to pouring fuel. This can easily be done by providing an insulated wire
(Permanently attached to the container) with a battery clip attached to the other end.
4.^ Check engine crankcase oil level.
5.^ Check radiator coolant level. Permanent type antifreeze is added at the factory to provide protection
to approximately -35° F (-2° C). To retain this level of protection always add 1/2 part water to 1/2 part
antifreeze.
6. Check fluid level in hydraulic reservoir which is located in the engine compartment. The hydraulic
reservoir is full when fluid can be seen in the sight glass on the side of the reservoir. To get an accurate
reading the hopper must be in the “DOWN” position. If fluid is required add HYDRAULIC FLUID ONLY.
Use Ford Automatic Transmission Fluid Type “F”.
^For Gas/LP/Diesel Machines Only
*For Battery Machines Only
MACHINE PREPARATION

8 - FORM NO. 56041704 American-Lincoln
6150
THE FOLLOWING STATEMENTS ARE USED THROUGHOUT THIS MANUAL AS INDICATED IN THEIR
DESCRIPTIONS:
DANGER
To warn of immediate hazards which will result in severe personal injury or death.
WARNING
To warn of hazards or unsafe practices which could result in severe personal injury or death.
CAUTION
To warn of hazards or unsafe practices which could result in minor personal injury.
ATTENTION
To warn of unsafe practices which could result in extensive equipment damage.
NOTE
To give important information or to warn of unsafe practices which could result in equipment damage.
THE FOLLOWING INFORMATION SIGNALS POTENTIALLY DANGEROUS CONDITIONS TO THE
OPERATOR OR EQUIPMENT. READ THIS MANUAL CAREFULLY. KNOW WHEN THESE CONDITIONS
CAN EXIST. THEN, TAKE NECESSARY STEPS TO TRAIN MACHINE OPERATING PERSONNEL.
FOR THE SAFE OPERATION OF THIS MACHINE, READ AND UNDERSTAND ALL WARNINGS,
CAUTIONS AND NOTES.
WARNING
Machines can ignite flammable materials and vapors. Do not use with or near flammables such as: gasoline,
grain dust, solvents and thinners.
WARNING
Heavy machinery. Improper use can cause personal injury.
WARNING
Operate only when lids, doors, and access panels are securely closed.
WARNING
Use care when reversing machine in confined area.
WARNING
When servicing the machine disconnect the battery first to prevent possible injury.
WARNING
When working on the machine, empty hopper, disconnect battery, clear area of people and obstructions, use
additional people and proper procedures when lifting the machine.
WARNING
Always empty the Hopper and Disconnect Battery before doing maintenance.
WARNING
You must have training in the operation of this machine before using it. READ THE INSTRUCTION BOOK.
WARNING
Do not operate this machine unless it is completely assembled.
WARNING
Do not use this machine as a step or furniture.
SAFETY PRECAUTIONS

American-Lincoln FORM NO. 56041704 - 9
6150
WARNING
Be careful when operating the machine on a ramp or incline. Always move slowly on a ramp. Do not turn this
machine on a ramp. Do not stop and leave this machine on a ramp.
WARNING
Stop and leave this machine on a level surface. When you stop the machine, put the power switch in the “OFF”
position and Engage the parking brake.
WARNING
To prevent injury, and damage to the machine, do not lift the machine or move it to an edge of a stair or loading
dock.
WARNING
Lead acid batteries generate gases which can cause an explosion. Keep sparks and flames away from batteries.
NO SMOKING. Charge batteries only in area with good ventilation.
WARNING
Always wear eye protection and protective clothing when working near batteries. Remove all jewelry. Do not put
tools or other metal objects across the battery terminals, or the tops of batteries.
WARNING
Maintenance and repairs must be done by authorized personnel only. Tighten all fasteners. Keep adjustments
according to the specifications given in the service manual for the machine. Keep the electrical parts of the
machine dry. For storage, keep the machine in a building.
WARNING
Make sure that all labels, decals, warnings, cautions and instructions are fastened to the machine. Get new labels
and decals from American Lincoln.
WARNING
To maintain stability of this sweeper in normal operation, the counterweights, over-head guard, rear bumper
guard or any similar equipment installed by the manufacturer as original equipment, should never be removed. If
it becomes necessary to remove such equipment for repair or maintenance. This equipment must be reinstalled
before the sweeper is placed back in operation.
WARNING
The hopper could lower unexpectedly and cause personal injury. Engage the hopper safety arm before working
under the hopper.
SAFETY PRECAUTIONS

10 - FORM NO. 56041704 American-Lincoln
6150
HORN BUTTON
The horn button is located on the left side console next to the choke control. Push the button to sound the
horn. The horn button is always active.
LIGHT SWITCH
The light switch is located on the instrument panel and controls the headlights, taillights and instrument panel
lights. To turn on the lights press the upper portion of the switch. The upper potion of the switch will illuminate
to indicate the lights are “ON”. The light switch is always active.
GLOW PLUG SWITCH (Diesel Only)
The glow plug switch is a momentary type rocker switch that is located on the instrument panel and is used to
start the diesel engine. It should be noted that under no circumstances should Ether or other starting aids be
used in conjunction with the glow plugs. To prevent damage to the glow plug switch, do not use for more than
60 seconds. They key switch must be placed in the “ON” position before using the glow plug switch.
CHOKE CONTROL
The choke control is located on the left side console and is used to aid in starting the engine. The choke
governs the mixture of air and fuel during the combustion cycle of the engine operation. The choke should be
pulled up during the start of the engine and then gradually pushed back down after engine warm up.
To turn on the choke for “Cold” starting, pull “UP” on the control.
To turn off the choke once engine has been started gradually push the control “DOWN”.
SWEEPER CONTROLS/INSTRUMENTS
C0701A FIGURE 1
CIRCUTBREAKERS
1 2 3 4
CHOKE HORN
MAINBROOM
HOURS
00000
1/1 0
LIGHT
SWITCH
GLOW
PLUG
SWITCH
CHOKE
HORN
THROTTLE

American-Lincoln FORM NO. 56041704 - 11
6150
KEY SWITCH
The keyed ignition switch is located on the instrument
panel to the right of the steering column. The key switch
is a four position switch that controls power to the sweep-
er systems and accessories.
BATTERY POWERED MACHINES
The “O ” position will shut off power to the machine pro-
pulsion and sweeping systems.
The “I” position provides power to all sweeper systems
and accessories.
GAS/DIESEL/LP POWERED MACHINES
The “O” position will shut off the engine.
The “I” position provides power to all sweeper systems
and accessories.
THROTTLE
The engine speed is controlled by a locking push-pull
control which is located on the operator’s compartment
side console.
The position of the throttle determines the operating
speed of the engine. The position is variable from idle to
max engine speed and may be adjusted to suit operating
conditions.
The locking feature of the engine throttle control consists
of a rubberized push button that unlocks the control for
adjustment.
Push down on the button while positioning the control to
the desired setting, then release the button to unlock the
throttle in place.
Pull up on the throttle to increase engine speed.
Push down on the throttle to decrease engine speed.
FUEL GAUGE
The fuel gauge is located on the instrument panel and
indicates the level of fuel in the tank. The fuel gauge
is powered by the key switch. The key switch must be
in the “I” position for the fuel gauge to work. The fuel
gauge is not included on machines that use Battery or
Liquid Propane fuel.
SWEEPER CONTROLS/INSTRUMENTS
0
1/2
4/4
FUEL
C0703/0005
CHOKE HORN
THROTTLE
THROTTLE
PUSH BUTTON
TO RELEASE
C0701-1 FIGURE 2
C0702 FIGURE 3
C0703 FIGURE 4
OI
KEY
SWITCH
C0701-1
Accessory
Position Start
Position

12 - FORM NO. 56041704 American-Lincoln
6150
FOOT BRAKE
The foot brake pedal is located on the floor of the
operator’s compartment to the left of the directional
control pedal.
To stop, apply foot pressure to the brake pedal.
PARKING BRAKE
The parking brake lever is located on the operator’s
compartment left side panel near the floor. When en-
gaged the parking brake “locks” the foot pedal in the
down position.
- To engage the parking brake, place the lever in the
upright position.
- To disengage the parking brake, move the lever
forward.
- To Adjust The Parking brake “Grab” Turn the knob
on the top of the lever.
- To increase “Grab” Turn the knob in a clockwise
direction.
- To decrease “Grab” Turn the knob in a counter-
clockwise direction.
FOOT PEDAL
The Foot Pedal is located on the floor of operator’s
compartment to the right of the brake pedal. The
foot pedal provides control of direction/speed and
has an automatic safety feature that limits foot pedal
travel while the hopper is raised. The pedal height is
adjustable to provide for operator comfort.
TO GO FORWARD: Place pressure on the upper por-
tion of the pedal. Speed increases when additional
pressure is placed on the pedal.
TO GO BACKWARD: Put pressure on the lower portion
of the pedal. Speed increases when additional pressure
is placed on the pedal.
-To increase braking action while sweeper is moving
forward, gently put pressure on the lower portion of the
pedal.
-To Increase braking action while traveling in reverse,
gently put pressure on the upper portion of the pedal.
To adjust the foot pedal height for operator comfort
1. Remove the hairpin cotter from the adjustment pin.
2. Remove the adjustment pin from the foot pedal
assembly.
3. Align the holes in the lower bracket with one of the
four adjustment holes on the foot pedal to set the
foot pedal height.
4. With the holes aligned at the desired height, insert
the adjustment pin
5. Reinstall the hairpin cotter.
LIGHTS
CIRCUT BREAKERS
1234 5 6 OPTION
WORK
LIGHT
GLOW
PLUG
American-Lincoln
FILTER
SHAKER
DUST
CONTROL
SIDE BROOM
MAIN BROOM
ENGINE
SPEED
IDLE
OFF
ACC IGN/ON
START
1
2
HOURS
00000
1/10
0
1/2
4/4
FUEL
FOOT
BRAKE
TO
APPLY
BRAKE
C-0704
FORWARD
R
EVERSE
NEUTRAL
ADJUSTMENT
PIN
ADJUSTMENT
HOLES
HAIRPIN
COTTER
C-0706
LIGHTS
CIRCUT BREAKERS
1234 5 6 OPTION
WORK
LIGHT
GLOW
PLUG
American-Lincoln
FILTER
SHAKER
DUST
CONTROL
SIDE BROOM
MAIN BROOM
O
I
HOURS
00000
1/10
0
1/2
4/4
FUEL
C-0705
PARKING
BRAKE
TO
RELEASE
BRAKE
C0704 FIGURE 5
C0705 FIGURE 6
C0706 FIGURE 7
SWEEPER CONTROLS/INSTRUCTIONS

American-Lincoln FORM NO. 56041704 - 13
6150
WARNING BANK
The Warning Bank is located on the instrument panel and provides the operator with six fault/status indicators
for engine and sweeper systems. The Operator should monitor the indicators while sweeping. It is very
important that the operator be familiar with the meaning of each indicator.
C0707-1 FIGURE 8
+
-
SWEEPER CONTROLS/INSTRUMENTS
ENGINE TEMP LIGHT
The engine temperature light illuminates to indicate an engine cooling system fault. When
this occurs the operator must turn off the sweeper immediately and have the cooling system
serviced by a qualified service technician.
ENGINE OIL PRESSURE LIGHT
When the oil pressure drops below approximately 5 psi an automatic protection circuit shuts
down the engine and illuminates the light to indicate low engine oil pressure. When this
occurs have the sweeper serviced by a qualified service technician.
CHARGING SYSTEM LIGHT
The charging system light illuminates to indicate a charging system fault. When this occurs
the sweeper charging system is not working properly and must be serviced by a qualified
service technician.
DUST CONTROL LIGHT (option)
The Dust Control Light Illuminates to indicate that the dust control filter is clogged. When this
occurs, stop sweeping and use the filter shaker to clear dirt and debris from the filter. After
using the filter shaker continue sweeping.
HOPPER TEMPERATURE LIGHT
When the temperature of the air moving through the dust control system in the hopper
exceeds 140° F, an automatic protection feature shuts down the dust control fan and
illuminates the hopper temperature light. When this occurs shut down the sweeper and
carefully investigate for a possible fire in the hopper. The temperature switch must be
manually reset.
DUMP DOOR LIGHT
The dump door light will illuminate when the dump door is not fully open. The light warns the
operator to open the hopper dump door completely before sweeping. Do not sweep when the
light is illuminated.
CIRCIUT BREAKERS
1 2 3 4 5 6 7 8
OI
HOURS
0 0 0 0 0
1/10
0
1/2
4/4
FUEL
WARNING
BANK HOPPER
DUMP DOOR
LIGHT
DUST
CONTROL
LIGHT
HOPPER
TEMP.
LIGHT
ENGINE
TEMP.
LIGHT
ENGINE OIL
PRESSURE
LIGHT
CHARGING
SYSTEM
LIGHT
C-0707-1
+
-

14 - FORM NO. 56041704 American-Lincoln
6150
SEAT POSITION ADJUSTMENT
The seat adjustment lever is located on the right side of
the seat base. The lever is spring loaded to the “LOCK”
position.
To adjust the seat, push “FORWARD” on the lever and
move seat to desired position then release the lever to
“LOCK” the seat in place.
TURN SIGNALS - 4 WAY (OPTION)
The turn signal switch is located on the steering column
and functions the same as a typical automotive turn
signal. The operator must return the lever to the centered
position after the turn has been completed.
-To signal a right hand turn, move the lever to the “FOR-
WARD” position.
-To signal a left hand turn, move the lever to the “BACK-
WARD” position.
-To use the 4-way Flashers pull out on the turn signal
lever.
BACK UP ALARM (OPTION)
The backup alarm is activated by a switch in the foot
pedal and automatically emits a loud audible noise when
the machine is driven in reverse.
BATTERY CONDITION METER (Battery Power Only)
The battery condition meter is located on the right side
of the instrument panel. The condition meter indicates
the level of charge in the batteries. The batteries are
sufficiently charges when the needle stays in the green
area on the gauge while the machine is being operated.
Charge the batteries when the needle drops into the red
zone while operating the machine,
Do not operate the machine if the needle stays in the red
zone. Operating the sweeper with discharges batteries
with degrade battery life.
SEAT
POSITION
ADJUSTMENT
LEVER
TO ADJUST
TO
LOCK
C 0714
C-0718
LIGHTS
WORK
LIGHT
GLOW
PLUG
HOURS
00000
1/10
0
1/2
4/4
FUEL
American-Lincoln
TURN SIGNAL
SWITCH
4-WAY FLASHER
SWITCH
TO SIGNAL
LEFT TURN
TO TURN
ON 4-WAY
FLASHER
TO SIGNAL
RIGHT TURN
C-0715
C0714 FIGURE 9
C0715 FIGURE 10
C0718 FIGURE 11
SWEEPER CONTROLS/INSTRUMENTS

American-Lincoln FORM NO. 56041704 - 15
6150
FILTER SHAKER SWITCH
The filter shaker switch is located on the instrument panel
below the fuel gauge. This is a momentary switch that will
activate the filter shaker motors for 20 to 30 seconds to
clear the dust control filter. The impeller fan will stop when
the filter shaker has been activated.
The filter shaker will only operate with the hopper in the
“DOWN” position. Use the filter shaker to clear the filter
when the dust control light on the warning bank illuminates
and just before dumping the hopper.
To activate the filter shaker press the upper portion of the
filter shaker switch momentarily and release. The filter
shaker will operate for 20 to 30 seconds.
DUST CONTROL SWITCH
The dust control is a two position switch that is located on
the instrument panel next to the filter shaker switch. The
switch controls the vacuum fan in the dust control system.
To turn on the dust control system for “NORMAL”
Sweeping, press on the top portion of the switch.
To Turn off the dust control system for sweeping in wet
conditions, press on the lower portion of the switch. This
will prevent the filter from being damaged by water pickup
while sweeping.
BROOMS CONTROL LEVER
The brooms control lever is located on the operator’s
compartment center console. The lever is a three position
hydraulic valve that controls hydraulic power to the main
broom and side broom.
WARNING
To prevent injury, Do not turn on the brooms
with the hopper raised.
To turn on the main broom only, move the lever to the
forward position.
To turn on the main broom and the side broom, move the
lever fully backwards.
To turn off the brooms and provide hydraulic power to the
hopper lift system place the lever in the center position.
CHOKE HORN
BROOMS
HOPPER
DOOR
CLOSE
ON
OPEN
ON
LOWER
RAISE
HOPPER
BROOMS
CONTROL
LEVER
C-0719
C0717-1 FIGURE 12
C0716-1 FIGURE 13
C0719 FIGURE 14
SWEEPER CONTROLS/INSTRUMENTS
OI
FILTER
SHAKER
C0717-1
OI
DUST
CONTROL
C0716-1

16 - FORM NO. 56041704 American-Lincoln
6150
SIDE BROOM LEVER
The side broom lever is located on the right side of
the instrument panel. The side broom lever raises and
lowers the side broom. Use the brooms lever on the
operator’s center console to turn on the side broom.
To raise the side broom, pull the lever back into the “UP”
position.
To lower the side broom, move the lever out of the
detented “UP” position and move it forward to the
“DOWN” position.
SIDE BROOM ADJUSTMENT
The side broom lever has an adjustment for changing
the sweep height to compensate for broom wear. The
side broom adjustment is located under the right side of
the instrument panel.
To Adjust the side broom height turn the threaded knob.
MAIN BROOM LEVER
The main broom lever is located on the left side of
the instrument panel. The main broom lever has three
positions and controls the main broom sweep height.
Use the brooms lever on the operator’s center console to
turn on the main broom.
To lower the main broom, grasp the lever and move
it to the left out of the “UP” position and place in the
“SWEEP” or “FLOAT” position.
The “SWEEP” position is used for normal sweeping and
should be used under most sweeping conditions.
The “FLOAT” position is used for sweeping very uneven
surfaces only. Using the Float position will cause
premature wear on the main broom if used under normal
operating conditions for extended periods of time.
MAIN BROOM ADJUSTMENT
The main broom lever has an adjustment for changing
the sweep height to compensate for broom wear. The
main broom adjustment is located under the left side of
the instrument panel.
To Adjust the main broom height turn the threaded knob.
SWEEPER CONTROLS/INSTRUMENTS
SIDE BROOM
UP
DOWN
0
1/2
4/4
FUEL
SIDE BROOM
LEVER
SIDE BROOM
ADJUSTMENT
LIGHTS
WORK
LIGHT
GLOW
PLUG
MAIN BROOM
FLOAT
SWEEP
UP
HOURS
00000
1/10
MAIN BROOM
LEVER
MAIN BROOM
ADJUSTMENT
C-0721
C0721 FIGURE 16
C0720 FIGURE 15

American-Lincoln FORM NO. 56041704 - 17
6150
HOPPER DOOR LEVER
The hopper door lever is located on the operator’s
compartment center console and is used to close and
open the hopper dump door. The lever is a three position
hydraulic valve that is spring loaded to the center
position which “HOLDS” the hopper door in position.
NOTE
To provide hydraulic power to the hopper controls,
the broom control lever must be in the center
“Neutral” Position
To ensure the door is fully open while sweeping, monitor
the Hopper Dump Door light on the Warning Bank . The
light will illuminate when the door is not fully open.
To open the hopper dump door for sweeping or dumping,
push the lever forward in the “OPEN” direction until the
hopper dump door light goes out.
To close the hopper dump door for dumping or
transporting, pull the lever fully back in the “CLOSE”
direction and hold for 3 seconds or until you hear the
door close.
HOPPER LIFT LEVER
The hopper lift lever is located on the operator’s
compartment center console. The lever is a three
position hydraulic valve that controls the operation of
the hopper lift system. The lever is spring loaded to
the center position which stops hopper movement and
“HOLDS” the hopper at the present position.
NOTE
To provide hydraulic power to the hopper controls,
the broom control lever must be in the center
“Neutral” Position
To raise the hopper for dumping, move the lever back to
the “RAISE” position and hold until the hopper reaches
the desired height, then release.
WARNING
To prevent injury, Do not turn on the brooms with the
hopper raised.
To lower the hopper after dumping, move the lever
forward to the “LOWER” position until the hopper is fully
lowered and seated in the sweeper, then release.
DEBRIS DOOR
The hopper debris door provides the operator with easy
access to the hopper debris compartment for refuse
disposal or visual inspection of the removable filter baffle
and hopper debris compartment. The debris door must
be closed while sweeping. Failure to close the door
completely will cause poor dust control while sweeping.
CHOKE HORN
BROOMS
HOPPER
DOOR
CLOSE
ON
OPEN
ON
LOWER
RAISE
HOPPER
HOPPER
DOOR
LEVER
C-0722
DEBRI
S
DOOR
C-0724
CHOKE HORN
BROOMS
HOPPER
DOOR
CLOSE
ON
OPEN
ON
LOWER
RAISE
HOPPER
HOPPER
LIFT
LEVER
C-0723
C0722 FIGURE 17
C0723 FIGURE 18
C0724 FIGURE 19
SWEEPER CONTROLS/INSTRUMENTS

18 - FORM NO. 56041704 American-Lincoln
6150
DUST BAFFLE
The dust baffle is located in the hopper and may be
removed for cleaning. The dust baffle is mounted to the
hopper with two threaded knobs for easy removal.
The debris door must be opened to gain access to the
dust baffle.
Remove and clean the dust baffle when debris becomes
lodged in the baffle passages.
To remove the baffle, turn the two threaded knobs
counterclockwise and lift the baffle off the studs.
To install the baffle, position the baffle on the studs and
turn the two threaded knobs clockwise.
HOPPER SAFETY ARM
The hopper safety arm is located near the right front
wheel well. The safety arm will prevent the hopper from
dropping unexpectedly during service/maintenance.
WARNING
The Hopper Could Drop Unexpectedly And Cause
Injury. Engage The Safety Arm Before Working
Under Hopper.
WARNING
For Safety Always Empty Hopper Before Servicing.
TO ENGAGE THE SAFETY ARM:
1. Empty hopper.
2. Set the parking brake.
3. Raise the hopper.
4. Lift safety arm to engage the slot on the hopper
frame.
5. When work has been completed, replace the safety
arm to the stowed position.
HOPPER FILTER COMPARTMENT COVER
The Hopper Filter Compartment Cover is located on the
top of the hopper and opens forward for access to the
filter compartment for service and inspection of the dust
control filter and operational hopper temp sensor.
Use the hand hold provided to open the cover.
Inspect the cover gaskets daily. Replace any cover gas-
kets that show signs of deterioration. Failure to maintain
the gaskets in serviceable condition will degrade dust
control at the floor and will result in less than minimal
sweeping performance.
DUST
BAFFLE
THREADE
D
KNOB
C-0726
DEBRIS
COMPARTMEN
T
COVER
HAND
HOLD
C-0776
HOPPER
SAFETY ARM
TO
ENGAGE
MODELNO. SERIALNO.
WARNING
C-0727
6150
C0726 FIGURE 20
C0727 FIGURE 21
C0776 FIGURE 22
SWEEPER CONTROLS/INSTRUMENTS

American-Lincoln FORM NO. 56041704 - 19
6150
FILTER PANEL LATCH
The filter panel is located in the hopper filter
compartment and will need to be removed
periodically for cleaning or replacement. Removal
of the filter panel requires no tools. The hopper
cover must be opened to gain access to the filter
compartment. The panel filter is held in place by a
hinged frame and latch.
To remove the panel filter, turn the latch counter
clockwise and lift the hinged frame.
The panel filter can now be lifted out and cleaned or
replaced. (See “To Clean the Dust Control Filter” in
this manual).
To install the replacement panel filter, lower the
frame and turn the latch clockwise to lock the filter
in place.
HOPPER TEMP SENSOR (OPTION)
The temp sensor switch monitors the hopper
air temperature near the vac fan. When the
temperature of the air moving through the hopper
exceeds 140ºF the switch trips which turns off the
dust control fan and illuminates the hopper temp
light on the warning bank.
The hopper temp sensor is a resetable thermal
switch which is located in the hopper filter
compartment near the vacuum fan intake.
When the hopper temp light illuminates, carefully
investigate for a possible fire in the hopper.
The sensor will not reset until the temperature in the
hopper has dropped below 133ºF.
To reset the temp sensor, press the reset button.
ENGINE COMPARTMENT LATCH
The engine cover encloses the entire engine,
radiator and hydraulic reservoir assembly. The
cover can be swung open to allow easy access to
the engine and hydraulics for service or inspection.
WARNING
Operate Only When Lids, Doors, And Access Panels
Are Securely Closed.
To open the cover, lift the cover latch lever up.
Swing the cover open.
The cover will latch automatically when the cover is
closed. After closing the engine cover, check to be
certain the latch has fully engaged.
American-Lincoln
ENGINE
COMPARTMENT
LATCH
LIFTTOOPEN
C-0779
HOPPER
TEMPERATURE
SENSOR
C 0778
RESET
BUTTON
PUSH
TO
RESET
C0777 FIGURE 23
C0778 FIGURE 24
C0779 FIGURE 25
SWEEPER CONTROLS/INSTRUMENTS
FILTER
PANEL
LATCH
LIFT
FRAMETO
REMOVE
FILTER
FILTER
PANEL
TURNLATCH
TO RELEASE
C-0777

20 - FORM NO. 56041704 American-Lincoln
6150
HYDRAULIC RESERVOIR LEVEL SIGHT GAUGE
The sight gauge is located on the side of the hydraulic
reservoir in the engine compartment. The sight gauge is
used to indicate the level of fluid in the reservoir. Fluid
level must be visible in the sight gauge when the hopper
is in the down position.
MAIN BROOM COMPARTMENT DOORS
The main broom compartment doors are located behind
the front tires on both sides of the sweeper. The doors
provide access to the main broom for service or inspec-
tion.
WARNING
Operate Only When Lids, Doors, And Access Panels
Are Securely Closed.
Open the right side door to remove or replace the main
broom. The right side door is an integral part of the main
broom drive system and must be closed for operation.
Open the left side broom door for inspection. Check the
drive hub for banding and shrink wrap which have a
tendency to get tangled in the broom driver.
To open the main broom door, reach inside the hole in
the door and lift up on the latch handle.
The door latch will automatically engage when the door
is closed.
SEAT COMPARTMENT COVER
The seat compartment cover opens to allow easy access
to various components which will need to be inspected or
serviced periodically. The cover opens forward and has
a safety latch to hold the cover in the open position.
WARNING
Lead acid batteries generate gases which can cause
an explosion. Keep sparks and flames away from
batteries. NO SMOKING. Charge batteries only in
area with good ventilation and keep the seat cover
open to vent explosive hydrogen gas.
On battery powered machines the compartment below
the seat contains the charging connector for the
batteries. Use the safety latch to hold the cover open
while charging the batteries.
On Gas/Diesel/LP powered machines the seat
compartment contains the fuel tank.
American-Lincoln
MODELNO. SERIAL NO.
WARNING
c0731/0005
American-Lincoln
MAIN BROOM
COMPARTMENT
LATCH
LIFT TO OPEN
C-0729
C0728 FIGURE 26
C0729 FIGURE 27
C0731 FIGURE 28
SWEEPER CONTROLS/INSTRUMENTS
C-0728
HYDRAULIC
SIGHT
GAUGE