American-Lincoln SC7730 User manual

AMERICAN-LINCOLN 1-1
SC7730
SC7730
Battery Sweeper/Scrubber
American-Lincoln
Form Number OM28600321 2006 English/Revised
®
All directions given in this book are as seen from the operator's position at the rear of the machine.
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.
Operator's Manual

1-2 AMERICAN-LINCOLN
SC7730

AMERICAN-LINCOLN 1-3
SC7730
INDEX
C
CONTROLS ............................................................................................................................................... 1-16
FRONT CONSOLE ............................................................................................................................... 1-16
KEY SWITCH ....................................................................................................................................... 1-17
FORWARD/REVERSE SWITCH .......................................................................................................... 1-17
BATTERY CONDITION & HOUR METER .............................................................................................. 1-18
HEADLIGHT/TAILLIGHT SWITCH (OPTION) .......................................................................................... 1-19
HOPPER OPEN WARNING LIGHT ....................................................................................................... 1-19
FILTER SHAKER SWITCH (DUST CONTROL MODELS) ...................................................................... 1-20
DUST CONTROL SWITCH .................................................................................................................... 1-20
SCRUB BRUSH SWITCH ..................................................................................................................... 1-21
SQUEEGEE SWITCH .......................................................................................................................... 1-21
LOW SOLUTION & HIGH RECOVERY LIGHTS .................................................................................... 1-22
HOPPER LIFT SWITCH ........................................................................................................................ 1-23
MAIN & SIDE BROOMS SWITCH......................................................................................................... 1-23
SPRAY & VAC WAND SWITCH (OPTION) ........................................................................................... 1-24
ESP SWITCH (OPTION) ....................................................................................................................... 1-24
MAIN BROOM & SIDE BROOM ADJUSTMENT KNOBS ...................................................................... 1-25
SOLUTION FLOW KNOB ..................................................................................................................... 1-26
HORN BUTTON .................................................................................................................................... 1-26
FOOT PEDAL & PARKING BRAKE ...................................................................................................... 1-27
SEAT POSITION ADJUSTMENT ........................................................................................................... 1-28
SEAT SAFETY FEATURES .................................................................................................................. 1-28
D
DISCLAIMER ............................................................................................................................................. 1-4
M
MACHINE PREPARATION ......................................................................................................................... 1-13
MACHINE SPECIFICATIONS .................................................................................................................... 1-10
O
OPERATING INSTRUCTIONS ................................................................................................................... 1-29
PRE-START CHECKLIST ...................................................................................................................... 1-29
FILLING SOLUTION TANK .................................................................................................................... 1-29
STARTING MACHINE ........................................................................................................................... 1-30
TRANSPORTING MACHINE ................................................................................................................. 1-30
THE CLEANING OPERATION ............................................................................................................... 1-30
STANDARD & ESP SCRUBBING SYSTEMS ....................................................................................... 1-31
HINTS FOR THE CLEANING OPERATION ........................................................................................... 1-32
POST-OPERATION CHECKLIST ........................................................................................................... 1-33
DRAINING THE RECOVERY TANK ...................................................................................................... 1-33
INSPECTING MAIN BROOM & SCRUB BRUSHES .............................................................................. 1-35
INSPECTING THE SQUEEGEES ......................................................................................................... 1-36
USING THE DUST CONTROL KNOB .................................................................................................... 1-37
CHECKING THE HYDRAULIC FLUID LEVEL ........................................................................................ 1-37
ORDERING PARTS ................................................................................................................................... 1-5
S
SAFETY PRECAUTIONS ........................................................................................................................... 1-7
SYMBOLS ................................................................................................................................................. 1-6

1-4 AMERICAN-LINCOLN
SC7730
DISCLAIMER
DISCLAIMER
The information contained in this manual is believed correct at the time of publication. American Lincoln
assumes no responsibility or liability for unauthorized changes made to this manual or pages removed, causing
indirect or consequential damages resulting from the use of the information appearing herein.
WARNING!
In the event that machinery or controls described herein are modified in any way, or in the event that such
machinery or controls are not maintained in a proper manner, the instructional material contained herein may
be rendered inaccurate. The information contained herein is to be used only by persons knowledgeable in the
operation of machinery such as that described herein, or other persons being directly supervised by such
knowledgeable persons.
No portion of this manual may be reproduced without the express written consent of:
AMERICAN LINCOLN
Product Engineering
1100 Haskins Road
Bowling Green, OH, 43402
[phone] Fax: [phone]
Copyright 2003 American Lincoln. All rights reserved.
Printed in USA March 2003

AMERICAN-LINCOLN 1-5
SC7730
MACHINE CATALOG NUMBER
505-320 SC7730 (40”) SWEEPER/SCRUBBER
505-321 SC7730 (46”) SWEEPER/SCRUBBER
505-322 SC7730 (40”) SWEEPER/SCRUBBER W/ DUST CONTROL
505-323 SC7730 (46”) SWEEPER/SCRUBBER W/ DUST CONTROL
MACHINE CATALOG NUMBER
505-320 SC7730 (40”) SWEEPER/SCRUBBER
505-321 SC7730 (46”) SWEEPER/SCRUBBER
505-322 SC7730 (40”) SWEEPER/SCRUBBER W/ DUST CONTROL
505-323 SC7730 (46”) SWEEPER/SCRUBBER W/ DUST CONTROL
Parts may be ordered from American-Lincoln authorized distributors.
Record the information from the American-Lincoln serial plate to avoid
delays in filling your order:
Parts may be ordered from American-Lincoln authorized distributors.
Record the information from the American-Lincoln serial plate to avoid
delays in filling your order:
1. Use the model number, catalog number, and serial number when ordering.
2. Give the part number, description, and quantity of parts needed.
3. Give shipping instructions for either freight, UPS, or parcel post.
Parts and supplies listed in this manual can be ordered from the following address:
1. Use the model number, catalog number, and serial number when ordering.
2. Give the part number, description, and quantity of parts needed.
3. Give shipping instructions for either freight, UPS, or parcel post.
Parts and supplies listed in this manual can be ordered from the following address:
Nilfisk-Advance, Inc.
American-Lincoln Div.
Nilfisk-Advance, Inc.
American-Lincoln Div.
American-Lincoln
authorized distributor
American-Lincoln
authorized distributor
14600 21 Avenue North
Plymouth, MN 55447
1-800-214-7700
14600 21 Avenue North
Plymouth, MN 55447
1-800-214-7700
st
Model:
Part No.:
Fuel:
IPX3
Weight:
Serial No.:
Code:
Rated Power:
B
LWA
R
56100775
Made in USA
by American-Lincoln
®
ORDERING PARTS

1-6 AMERICAN-LINCOLN
SC7730
Scrub Brush Down HeavyPressure
Squeegee Down & Vacuum On
Squeegee Up & Vacuum On
Solution Tank Low
Solution Flow Control
Throttle
Read Machine Manual
No gas or combustibles in tank
Keep AwayFrom Flames/
Wear Eye Protection
Electrical Hazard
StayClear
Moving Fan Blade
Pinch Point/Crush Hazard
Cover or Hopper Could Close/
Turn KeyOff/Lock Wheel
WARNING! / ATTENTION!
Squeegee Up & Vacuum Off
BatteryCharger
Choke
Fan On
Filter Shaker On
Forward/Reverse
Headlights
Hopper Dump
Hopper Return
Horn
Main Broom & Side Broom Up
Main Broom & Side Broom Down
No Step
Off
On
Power
RecoveryTank High
Scrub Brush Down & On
Scrub Brush Up and Off
THESE SYMBOLS IDENTIFY CONTROLS, DISPLAYS/FEATURES, AND SAFETY SYMBOLS ON THE MACHINE.
Before Operating or Servicing
NO Smoking
Engage Support
Before Leaving Seat
SYMBOLS

AMERICAN-LINCOLN 1-7
SC7730
SAFETY PRECAUTIONS
ELECTRICAL HAZARD - Shocks can
cause serious personal injury
Disconnect batterybefore working
in this area
Repairs must be performed by
authorized personnel only
WARNING
The following safety labels are mounted on the machine
in the locations indicated. If the labels become damaged
or illegible replace with identical label.
Scrub deck presents hazard
for crushing, entanglement,
friction and abrasion
Dust Control Motor presents
hazard for shearing and cutting
Broom Chamber presents
hazard for entanglement,
friction and abrasion

1-8 AMERICAN-LINCOLN
SC7730
HAZARD SERIOUSNESS LEVEL
Signal words (DANGER, WARNING and CAUTION) are used to identify levels of hazard seriousness. The
degree of severity is based on the likely consequences of human interaction with the hazard.
DANGER
To warn of immediate hazards which will result in severe personal injury or death.
WARNING
To warn of hazard or unsafe practices which could result in severe personal injury.
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.
For the safe operation of this machine, read and understand all WARNINGS, CAUTIONS AND NOTES.
PERSONAL SAFETY
•Read this manual carefully. The following information signals potentially dangerous conditions to the
operator or equipment. Know when these conditions can exist then take necessary steps to train
machine operating personnel.
•Dress appropriately; loose clothing, jewelry and other accessories may get caught in the machine and
cause physical injury.
•Wear OSHA/NIOSH protective eye wear or prescription glasses to protect eyes.
•Wear appropriate gloves when filling and/or draining tanks.
•Before operating machine, test brake mechanism, lights and back up alarm (if applicable).
•Observe maintenance schedule guidelines to assume optimal safe operation of the machine.
•Be aware of pinch pints that exist on the machine.
•Do not operate machine if you are tired, upset, ill on medication or intoxicated.
•Be completely aware of your surroundings. STOP, LOOK, and LISTEN for other employees walking in
or around your cleaning area.
MACHINE SAFETY
•Operator must be properly trained to operate machine.
•Read this manual before operating machine
•Familiarize yourself with all components and safety features.
•Do not operate machine unless it is completely assembled.
•Do not use machine other than intended use.
•Report damages or maintenance problem immediately. Do not use machine until it has been repaired.
•Repairs should be done by authorized personnel.
•For storage, keep machine in a building.
•This machine is not at tow truck and should not be used for towing.
•Do not use this machine as a step or furniture.
•Do not operate machine on public highways, gravel, sand, grass and other unsafe surfaces.
SAFETY PRECAUTIONS

AMERICAN-LINCOLN 1-9
SC7730
•Be careful when operating the machine on a ramp or incline. Do not operate machine on incline greater
than 8° or longer than 100’. Always move slowly on a ramp. Do not turn this machine on a ramp.
•Do not stop and leave this machine on a ramp. Always stop the machine on a level surface, put the
power switch in the on position.
•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.
•Turn off machine when unattended, filling, fueling or doing maintenance on machine (if applicable).
•Do not operate machine near flammable materials, fire or explosion may occur.
•Solution or recovery tank should not be filled with fuel or chemicals.
•Read label on cleaning solutions to verify it is safe for machine.
•Use a cleaning concentrate recommended by the chemical manufacturer.
•Water solutions or cleaning materials used can leave wet areas on floor surfaces causing dangerous
conditions for the operator or other persons. Always put CAUTION signs near area you are cleaning.
•Use care when reversing machine.
•Always empty the solution tank and recovery tank before doing maintenance.
•Unplug the battery first to prevent possible injury when servicing a machine.
•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.
•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.
•Keep electrical parts of the machine dry.
•Make sure that all labels, decals, warnings, cautions and instructions are fastened to the machine.
•Get new labels and decals from American-Lincoln.
SAFETY PRECAUTIONS

1-10 AMERICAN-LINCOLN
SC7730
CLEANING PATH
Scrubbing 40 in. (101 cm)
46 in. (117 cm)
Sweeping 46in. (117 cm)
Edge Cleaning 6 in.(15 cm) Right Side 46in. 117 cm) only
TRANSPORT SPEED 0-4.6 MPH (0 - 7.4kph)
OPERATING SPEED 0-2.7 MPH (0 - 4.3kph)
POWER SUPPLY (1) 36 Volt Wet Battery, 720 AH
For machine to operate properly, voltage reading should fall within 32-40 vdc.
CHARGER 240 Vac, 3-phase, 60 Hz, 36 Vdc, 150 A
STEERING Rack & Pinion 90°-90° Hyd. Assist
Adjustable Steering Column
TURNING RADIUS
Left 59 in. (150 cm)
Right 59 in. (150 cm)
Aisle “U” Turn 87 in. (221 cm)
DIMENSIONS
Length 87 in. (221 cm)
Width 46 in. (116.8 cm)
Height 52 in. (132 cm)
Height w/Overhead Guard 79 in. (200.6 cm)
Wheel Base 37.6 in. (95.5 cm)
WEIGHT
Standard Machine (Battery) 1700 lbs. (765 kg.) without battery
720 Ah battery 1990 lbs. (896 kg)
TIRES
Front (Battery) Solid Urethane Two (2)16 in (41cm) x 3.75 in (8.26 cm)
Rear (Battery) Solid Rubber One (1)16 in (41 cm) x 4.00 in (10.16cm)
RAMP CLIMBING
Transporting 8°
MAIN BROOM
One piece plastic core disposable type. Broom position can be set to “restricted down” or
“free floating”.
Length 36 in (91.4 cm)
Diameter 10 inches (25.4 cm)
Optional Bristle Type Nylon (High density)
Proex
Nylon Eight (8) Row
SIDE BROOM
Side Broom Size 16 inches (40.6 cm) Diameter
SPECIFICATIONS

AMERICAN-LINCOLN 1-11
SC7730
SPECIFICATIONS
INSTRUMENTS AND CONTROLS
Main/Side Broom Switch Key Switch
Headlight/Taillight Switch (option) Hour Meter
Squeegee Switch Recovery High Light
3 Position Scrub Deck Switch Dust Control Switch (with certain models)
Horn Button Solution Low Light
Solution Control Knob ESP (Option)
Hopper Up/Down Switch Filter Shaker Switch
Hopper Open Light Squeegee and Vacuum Wand (Option)
SCRUBBING SYSTEM
Brush Size-46” (116.84 cm) Three (3) 16” (40.6cm) Diameter
Brush Size-40” (101.4 cm) Two (2) 20” (51cm) Diameter
Brush Lift Hydraulic Actuator
Scrub Pressure
Normal 140 lbs.
Heavy 200 lbs.
SQUEEGEE
Rear Accu-Trac™ 46 in(116.8 cm) Swing, break away,
w/no tool squeegee replacement
Side 26 in (66 cm) Easy Change
TANKS
Solution Tank 55 Gallons (208 liter)Polyethylene
Recovery Tank 55 Gallons (208liter)Polyethylene
Solution Metering Variable to 3.0 GPM (11.4 lpm)
Drain Hose 48 in (122 cm)
Clean Out Port 5.7 in (14.5 cm) heavy debris
HOPPER
Capacity 2.5 cu.ft.(71liter)
DUMP AND LIFT
Dump Height 14 in (35.6 cm.)
SYSTEM FLUID CAPACITIES
Hydraulic System 4.7 Gallons (17.79 Liters)
OPTIONAL EQUIPMENT
Back-Up Alarm Headlight/Taillights
ESP System Fire Extinguisher
Overhead Guard Squeegee Wand
Spray and Vac Wand Black Nylon Brush
Linatex Squeegee Polypropylene Brush
720 Amp Hour Battery Supergrit Brush
Strobe Light (Amber) Clean Grit Brush
Strobe Light (Amber) W/ OH Guard Arm Rest (RH only)
Polyethelyne Panel Filter Seat Belt
Smart Cart (Battery Roll Out Cart)

1-12 AMERICAN-LINCOLN
SC7730
SPECIFICATIONS

AMERICAN-LINCOLN 1-13
SC7730
MACHINE PREPARATION
Your SC7730 battery machine has been shipped complete, but do not attempt to operate without reading the
following instructions:
UNPACKING AND ASSEMBLING MACHINE
The SC7730 is shipped on a pallet and held in place with wooden block to stop the machine from moving.
1) Remove wooden blocks holding machine in place.
2) Position a 11° and 48” ramp on base of pallet.
11 DEGREE
48 INCHES
Fig 2
Fig 1

1-14 AMERICAN-LINCOLN
SC7730
MACHINE PREPARATION
UNPACKING BATTERY
The battery is shipped separately on a pallet wrapped in plastic as shown in figure 3. Remove the plastic and
use a 2000 LB. (907KG) capacity lifting device to lower the battery into the battery compartment as shown in
figure 4.
USE A 2000 LB.
(907 KG) LIFTING
DEVICE TO
INSTALL BATTERY
Fig 3 Fig 4
3) Push machine down the ramp onto a flat surface.
4) Install battery.
-Turn the key to the “O” position
-Lift the hood up and pull the battery lever up to the right.
-Use a battery lifting device with a 2000 LB. (907KG) capacity to place the battery into the battery tray.
-Push battery lever down to the left to lock the battery into place.
-Plug the battery power connector into the machine power connector.
-Lower the hood into place.
5) Charge battery as shown in the manual. Read battery manufacturer literature for battery care and
maintenance.
WARNING
Do not charge batteries on a concrete grounded surface. Hydrogen gas is formed during the charging
operation and is explosive. Only charge batteries in a well ventilated area with the lid open. Avoid
any smoking, open flame, or electrical sparks.

AMERICAN-LINCOLN 1-15
SC7730
MACHINE PREPARATION
BATTERY LEVER
MACHINE POWER CONNECTOR
BATTERY POWER CONNECTOR
CONNECTING BATTERY
LOCK BATTERY IN PLACE WITH LEVER
BATTERY INSTALLATION
1. Lift the machine front cover.
2. Rotate the battery lever to the right.
3. Lower the battery into place using a 2000 LB. (907 KG) capacity lifting device.
4. Rotate the battery lever to the left to lock the battery into place.
5. Connect battery wires according to manufacturer’s direction.
6. Connect the battery power connector to the machine power connector.
7. Lower the machine front cover into place.
WARNING
Do not leave charged batteries on concrete surface, they will discharge.
Fig 5
Fig 7 Fig 8
Fig 6

1-16 AMERICAN-LINCOLN
SC7730
CONTROLS
3
78910
11
12 13
14
15
16 17
18
19
6
5
4
1
2
20
1. High recovery light.
2. Low solution light
3. Hopper open light.
4. Light switch.
5. ESP switch.
6. Spray Vac Wand switch.
7. Scrub brush switch.
8. Squeegee switch.
9. Main side broom switch.
10. Filter shaker/Dust control switch.
11. Hopper switch.
12. Battery condition meter/Hour meter.
13. Circuit breakers.
14. Solution flow knob.
15. Parking Brake.
16. Steering wheel adjustment lever.
17. Foot throttle.
18. Forward/Reverse switch.
19. Key switch.
20. Horn
Figure 9

AMERICAN-LINCOLN 1-17
SC7730
KEY SWITCH
The keyed ignition switch is located on the ioperator’s console as shown in figure 10.
The “OFF” position (O position) will shut off the machine. The IGN/ON position (I position) provides power to all
machine systems and accessories.
KEY SWITCH
CONTROLS
Figure 10
Figure 11
FORWARD
REVERSE
SWITCH
FORWARD / REVERSE SWITCH
The forward/reverse switch is located on the operator’s console as shown in figure 11. Pressing the upper half
of the forward/reverse switch will result in the machine moving forward when the foot throttle is depressed.
Pressing lower half of the forward/reverse lever switch will result in the machine moving backward when the foot
throttle is depressed.

1-18 AMERICAN-LINCOLN
SC7730
NOTE
To reengage, the key must be returned to the “OFF” position.
HOUR METER
The hour meter is located on the instrument panel as shown in figure 13. Tthe diplay will show the total hours
the machine has been in operation. The meter is activated when the key switch is placed in the ignition position.
The meter can be used to determine when maintenance should be done on the machine.
HOUR METER
Figure 12
Figure 13
CONTROLS
BATTERY CONDITION METER
BATTERY CONDITION METER
The battery condition meter is located on the instrument panel as shown in figure 12. The condition meter
indicates the level of charge in the batteries. The batteries are sufficiently charged when all of the LED’s are
illuminated amber as shown on the ramp illustration. Charge the batteries when one red LED is illuminated on
the left at the bottom of the ramp diagram and the scrub brushes stop. Do not operate the machine.

AMERICAN-LINCOLN 1-19
SC7730
CONTROLS
Figure 14
LIGHT
HEADLIGHT/TAILIGHT SWITCH (Optional)
The light switch is located on the instrument panel as shown in figure 14. By pressing on the lower half of the
switch the headlights and taillights will be activated. Pressing the upper half of the switch will turn off the lights.
HOPPER INDICATOR LIGHT
HOPPER OPEN WARNING LIGHT
The hopper open light switch is located on the instrument panel as shown in figure 15. When the hopper is
open, the light is illuminated the broom and the dust control fan will stop.
Figure 15

1-20 AMERICAN-LINCOLN
SC7730
FILTER SHAKER
DUST CONTROL ON
DUST CONTROL OFF
CONTROLS
Figure 16
Figure 17
FILTER SHAKER SWITCH (Only models with dust control)
The filter shaker switch is located on the instrument panel as shown in figure 16. By pressing and holding in
the upper half of the switch, it will activate the filter shaker motors for 20 to 30 seconds. Releasing the switch,
returns to the off position.
The dust control fan will stop when the filter shaker has been activated. The filter shaker will only operate with
the hopper in the “DOWN” position.
DUST CONTROL SWITCH
The dust control switch is located on the instrument panel as shown in figure 17. To turn on the dust control
system for normal sweeping, press the lower half of the switch.
WARNING
Turn the dust control switch to the center “OFF” position while wet sweeping. Water will damage the
filter and cause premature filter failure.