Alto 7760 User manual

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D-88400 Biberach/Riss
Sitz: D-88400 Mettenberg, Mettenbergerstr. 4
Amtsgericht Biberach/Riß HRB 641174 Landgericht Ravensburg,
Geschäftsführer: Jürgen Heine Dipl.-Ing (FH)
Steuernummer: 54 003 31698 FA Biberach

AMERICAN-LINCOLN
TECHNOLOGY
Operator's Manual
Instruction Book
and Parts List
Model 7760
Sweeper/scrubber
Beginning with Serial No. 752819
All directions given in this book are as seen from the operator's position at the rear of the machine.
For new books, write to:
READ THIS BOOK
Alto U.S., Inc., 1100 Haskins Road, Bowling Green, Ohio 43402
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. If you or your operator (s) cannot read English, have this manual explained
fully before attempting to operate this machine.
Si Ud. o sis operadores no pueden leer el Inglés, se hagen explicar este manual completamente
antes de tratar el manejo o servicio de esta máquina.
Part No. 2-86-00195 Printed in the 1996 American-Lincoln Technology®USA

American-Lincoln 2-1
7760
Main Broom...........................................................................................................................................................................2-2
Main Broom Lift Linkage .......................................................................................................................................................2-6
Side Broom (Variable Dump) ................................................................................................................................................2-8
Broom and Brush Chamber Door .........................................................................................................................................2-10
Hopper System (Manual Dump) ...........................................................................................................................................2-12
Hopper and Flaps (Variable Dump) ......................................................................................................................................2-14
Hopper Filter and Impeller ....................................................................................................................................................2-16
Hopper Control Valve & Hopper Dump Linkage (Variable Dump) ........................................................................................2-18
Scrub Deck and Brushes ......................................................................................................................................................2-20
Scrub Deck Solution Feed (60”) ...........................................................................................................................................2-24
Rear and Side Squeegees....................................................................................................................................................2-26
Squeegee Lift........................................................................................................................................................................2-30
Swing Squeegee Support .....................................................................................................................................................2-32
Solution Tank ........................................................................................................................................................................2-34
Solution Feed Linkage ..........................................................................................................................................................2-36
Recovery Tank ......................................................................................................................................................................2-40
Recovery Tank Lid ................................................................................................................................................................2-42
Vacuum Motor & Float ..........................................................................................................................................................2-44
Front Wheel and Brake.........................................................................................................................................................2-46
Rear Wheel...........................................................................................................................................................................2-48
Brake Linkage .......................................................................................................................................................................2-50
For/Rev Control – Ford .........................................................................................................................................................2-52
For/Rev Control – Perkins ....................................................................................................................................................2-54
Main Frame...........................................................................................................................................................................2-56
Driver Compartment..............................................................................................................................................................2-58
Hydraulic Hose (Variable Dump) ..........................................................................................................................................2-60
Hydraulic Hose (Manual Dump)............................................................................................................................................2-62
Suction & Return Hoses Variable Dump)..............................................................................................................................2-64
Suction & Return Hoses (Manual Dump) .............................................................................................................................2-66
Main Broom and Fittings .......................................................................................................................................................2-68
Side Broom and Fittings .......................................................................................................................................................2-69
Scrub Motors and Fittings.....................................................................................................................................................2-70
Squeegee and Scrub Deck Cylinders and Fittings ...............................................................................................................2-71
Power Steering, Hooper Dump & Hopper Lift Cyl’s and Fittings ..........................................................................................2-72
Rear Wheel Motors and Fittings ...........................................................................................................................................2-74
Hydraulic Reservoir, Filter, and Fittings ................................................................................................................................2-76
Drive Pump and Fittings .......................................................................................................................................................2-78
Vacuum Motor and Fittings ...................................................................................................................................................2-79
Dust Control Impeller and Fittings ........................................................................................................................................2-80
Power Steering Unit and Fittings ..........................................................................................................................................2-81
Main Control Valve and Fittings ............................................................................................................................................2-82
Cylinder Control Valve and Fittings.......................................................................................................................................2-83
Return Manifold and Fittings .................................................................................................................................................2-84
Oil Cooler & Fittings ..............................................................................................................................................................2-85
Auxiliary Pump and Fittings - Ford.......................................................................................................................................2-86
Auxiliary Pump and Fittings – Perkins ..................................................................................................................................2-87
Battery ...............................................................................................................................................................................2-88
Engine Cover ........................................................................................................................................................................2-90
Fuel Tank ..............................................................................................................................................................................2-92
Ford Gas Engine...................................................................................................................................................................2-94
Perkins Diesel Engine...........................................................................................................................................................2-96
Ford Throttle, Choke and Fuel Pump ...................................................................................................................................2-98
Diesel Fuel and Water Extractor...........................................................................................................................................2-100
Air Intake – Ford ...................................................................................................................................................................2-102
Air Intake – Perkins...............................................................................................................................................................2-104
Exhaust System, Gas and LP – Ford ...................................................................................................................................2-106
Exhaust System, Diesel – Perkins........................................................................................................................................2-107
Radiator and Shroud.............................................................................................................................................................2-108
Steering and Instrument Panel .............................................................................................................................................2-110
Instrument Panel...................................................................................................................................................................2-112
Instrument Panel ( Manual Dump)........................................................................................................................................2-114
Wiring Parts List – Ford 423 (Variable Dump) ......................................................................................................................2-116
Wiring Parts List – Perkins (Variable Dump) ........................................................................................................................2-118
Wiring Parts List – Ford 423 (Manual Dump) .......................................................................................................................2-120
Wiring Parts List – Perkins (Manual Dump) .........................................................................................................................2-122
Decals ...............................................................................................................................................................................2-124
TABLE OF CONTENTS - CHAPTER 2

2-2 American-Lincoln
7760
KEY NO. PART NUMBER DESCRIPTION QTY
1 0882-040 Hydraulic Motor, Broom Drive 1
2 2-00-03838 Key, .250 x 1.000 (#15) W 1
3 8-16-00041 Drive BroomArm 1
4 2-00-02310 Lock Washer, Helical Spring 3/8 Med 6
5 2-00-00232 Screw, 3/8 - 14 x .750 HHC 6
6 8-33-09046-1 Broom Driver Hub 1
7 8-58-05160 Hub Locking Plate 1
8 2-00-00518 Lock Washer, Helical Spring 1/4 Med 7
9 2-00-03039 Screw, 1/4 - 20 x .625 HSHC 3
10 See Broom Options
11 2-00-00522 Lock Washer, Helical Spring 3/4 Light 1
12
13 2-00-04889 Bearing 1
14 2-00-04886 Screw, 3/8 - 16 x .500 HSHC 2
15 8-33-09090 Idler 1
16 8-16-00039 Idler Arm 1
17 7-15-01035 Pivot Collar Weldment 2
18 2-00-04943 Spring Pin, 3/8 x 1 1/2 2
19 2-00-00221 Screw, 1/4 - 20 x .750 HHC 8
20 7-16-07274 Cover Plate Gasket 2
21 7-29-00148 Broom Arm Gasket 3
22 7-70-05137 Shaft 1
23 7-55-08119 Lift Pin, with Cotter Pin 2
24 7-03-04151 RH Arm Assembly 1
7-03-04152 LH Arm Assembly 1
25 7-13-07103 End Clamp 2
26 2-00-02587 Screw, 1/4 - 20 x 1.250 HHC 4
27 2-00-00586 Nut, Hex Jam 5/16 - 18 .500 x .187 4
28 2-00-00530 Lock Washer, Helical Spring 5/16 Med 4
29 2-00-05103 Flat Washer SS, .750 x .343 x .050 4
30 2-00-03997 Flange Bearing, 3.750 x 1.000 2
31 2-00-00196 Carriage Bolt, 5/16 - 18 x 1.000 4
32 7-70-05138 Broom Chamber Shaft Weldment 1
33 8-55-08098 Dowel Pin 4
34 2-00-04887 Screw, 3/4 - 10 x 1.250 HHC 1
35 2-00-04890 Retaining Ring, 3.341 Int. 1
36 2-00-02558 Lubrication Fitting, 45° 1/8 NPT 2
37 8-75-01157 Flat Washer, 3/4 1
38 2-00-00432 Screw, 1/4-20 x .50 4
P-4738/9510
MAIN BROOM - PARTS LIST

American-Lincoln 2-3
7760
1234
56789
10
34
11
35
37
1314 15 16
5417 18
22
23
38
SEE BROOM
LIFT LINKAGE
36
24
25
26
23
21
21
20
5
4
33
17
18
32
31
30
29
28
27
19
8
P4738/9606
MAIN BROOM - EXPLODED VIEW

2-4 American-Lincoln
7760
KEY NO. PART NUMBER DESCRIPTION QTY
1 2-00-03997 Bearing, Flangette (1 in. dia.) 2
2 7-70-05137 Shaft 1
3 7-70-05138 Broom Chamber Shaft 1
4 7-13-07103 End Clamp 2
5 7-15-01035 Pivot Collar 2
6 2-00-04943 Pin, 3/8 x 1½ Spring 2
7 8-16-00041 Drive Broom Arm (Weldment) 1
8 8-16-00039 Broom Arm (Weldment) 1
9 7-29-00148 Gasket, Broom Arm 3
10 7-16-07274 Gasket Plate 2
11 0882-040 Hydraulic Motor, Main Broom 1
12 8-33-09046-1 Hub, Broom Driver 1
13 8-58-05160 Broom Driver Locking Plate 1
14 2-00-03838 Key, 1 x 1¼ Woodruff 1
15 2-00-04889 Bearing, Main Broom Idler 1
16 8-33-09090 Idler, Main Broom (machined) 1
17 2-00-04890 Retaining Ring, Main Broom Idler 1
18 8-75-01157 Thrust Washer 1
HARDWARE USED:
H14 2-00-00219 Screw, ¼ - 20 x .500 HHC 4
H15 2-00-00221 Screw, ¼ - 20 x .750 HHC 8
H19 2-00-02587 Screw, ¼ - 20 x 1.250 HHC 4
H36 2-00-00196 Carriage Bolt, 5/16 - 18 x 1.00 4
H44 2-00-00530 Lock Washer, 5/16 HS Med. 4
H47 2-00-00232 Screw, 3/8 - 16 x .750 HHC 10
H53 2-00-02310 Lock Washer, Helical Spring 3/8 Med. 10
H72 2-00-00518 Lock Washer, Helical Spring 7
H106 2-00-04886 Screw, 3/8 - 16 x .500 HSHC 2
H107 2-00-04887 Screw, Main BroomControl 1
H109 2-00-00522 Lock Washer, ¾ Helical Spring 1
H110 2-00-03039 Screw, ¼ - 20 x .625 HSHC 3
H209 2-00-00586 Nut, Hex Jam 5/16 - 18 x .500 x .187 4
H303 2-00-05103 Flat Washer, .750 x .343 x .050 SS 4
C1014/9903
MAIN BROOM (60”) - PARTS LIST

American-Lincoln 2-5
7760
11
14 7
H53 H47
12 13
H72
H110
H107
H109
18
17
15
H106
16
8
H47
H53
1
H209
H44
H303
H36
9
10
H15
4
H72
H19
2
H14
3
6
5
REF BROOM CHMABER
MAIN FRAME
c1014/9903
MAIN BROOM (60”) - EXPLODED VIEW

2-6 American-Lincoln
7760
KEY NO. PART NUMBER DESCRIPTION QTY
1 8-39-00003 Knob 2
2 7-41-05082 Main Broom Lever 1
3 7-66-00142 Adjusting Rod 1
4 2-00-00207 Screw, 5/16-18 x 1-1/4 1
5 7-09-01057 Spacer 2
6 2-00-01255 Screw, 5/16 - 18 x .875 HHC 2
7 7-17-00012 Crank 1
8 2-00-02369 Nut, Hex Jam 3/8 - 16 x .562 x .218 2
9 7-08-00493 Broom Lever Bracket 1
10 2-00-00530 Lock Washer, Helical Spring 5/16 Med 2
11 2-00-00208 Screw, 5/16 - 18 x .750 HHC 1
12 2-00-00585 Nut, Hex 5/16 - 18 x .500 x .265 1
13 7-89-06700 Hopper Valve Bracket 1
14 2-00-02589 Screw, 1/4 - 20 x 2.0 HHC 2
15 2-00-00518 Lock Washer, Helical Spring 1/4 Med 2
16 2-00-00594 Nut, Hex 1/4 - 20 x .437 x .218 2
17 7-42-05086 Broom Lift Link 1
18 2-00-03589 Setscrew Collar, 1.000 x .5000 x .437 1
19 7-15-01022 Setscrew Collar, .750 x .378 x .375 1
20 2-00-04936 Nut, Hex Fiber Insert 1/2 - 13 1
21 2-00-00566 Lubrication Fitting, Straight 1/8 NPT 1
22 7-21-04030 Edging 1
23 2-00-05059 Screw, 1/2-13 x 3.750 HHC 2
24 7-42-05084 Link 2
25 2-00-00605 Nut, #10-24 Fiber Lock 2
26 2-00-00056 Screw, #10-24 x 3/4 RHM 2
27 8-88-00053 Control Valve 1
P-5151/9608
MAIN BROOM LIFT LINKAGE - PARTS LIST

American-Lincoln 2-7
7760
1
2
89510 11 1910 1213
16
26
25
15
14
23
27
24
6
22
17
21
18
7
20
14
5
4
3
8
P-5151/9606
MAIN BROOM LIFT LINKAGE - EXPLODED VIEW

2-8 American-Lincoln
7760
KEY NO. PART NUMBER DESCRIPTION QTY
1 8-08-03107 Side Broom 1
2 0885-061 Hydraulic Broom Drive Motor 1
3 2-00-00585 Nut, Hex 5/16 - 18 x .500 x .265 3
4 2-00-00530 Lock Washer, Helical Spring 5/16 Med 3
5 2-00-00409 Washer, Flat 5/16 2
6 2-00-00447 Flat Washer, .562 x .265 x .187 1
7 2-00-00518 Lock Washer, Helical Spring 1/4 Med 5
8 2-00-03537 Screw, 1/4 - 28 x 2.000 HHC 1
9 2-00-00221 Screw, 1/4-20 x .75 2
10 2-00-00232 Screw, 3/8 - 16 x .750 HHC 1
11 8-15-01003 Setscrew Collar, 1.250 x .750 x .562 1
12 2-00-04210 Clamp 2
13 2-00-00049 Screw, #10 - 24 x .500 RHM 3
14 2-00-00605 Nut, Hex MS #10-24 x .375 x .12 3
15 2-00-00512 Lock Washer, #10 Int. 3
16 7-25-06038 Flange 1
17 2-00-00218 Screw, 5/16 - 18 x 2.000 HHC 3
NS 0880-293 Seal Kit- 0880-293 (Up to Serial Number 750056) 1
NS 0780-144 Seal Kit- 0880-293 (Serial No. 750056 &Above) 1
18 7-08-00841 Bracket, Side Broom 1
19 7-79-00092 Strap 1
20 7-03-04153 Side Broom Arm Weldment 1
21 7-09-01134 Bushing 1
22 7-10-00029 Cable 1
23 8-21-04030 Edging 1
24 2-00-02310 Lock Washer, Helical Spring 3/8 Med 1
25 2-00-03702 Washer, Flat .625 x .281 x .063 1
26 2-00-00641 Nut, 1/4-20 Hex Fiber Lock 1
27 2-00-02303 Lock Washer, 5/16 Int. Tooth 2
28 2-00-00585 Nut, Hex 5/16-18 2
29 2-00-03569 Carriage Bolt, 5/16-18 2
30 2-00-05350 Screw, 1/4-28 x .63 3
31 2-00-03979 Washer, 1.00 x .391 x .06 1
32 2-00-03808 Washer, 1.50 x .750 x .06 1
33 2-00-00594 Nut, Hex MS 1/4-20 x .125 1
34 2-00-04603 Clamp 1
35 2-00-04378 Clamp 1
P-5149/9609
SIDE BROOM (VARIABLE DUMP) - PARTS LIST