Tennant SweepSmart S20 ELECTRIC Training manual

IB 9006831 (09--2010) 1
INSTRUCTION BULLETIN
No. 9006831
Machine: S20
Published: 09--2010
Rev. 00
NOTE: DO NOT DISCARD the Parts List from the Instruction Bulletin. Place the
Parts List in the appropriate place in the machine manual for future
reference. Retaining the Parts List will make it easier to reorder
individual parts and will save the cost of ordering an entire kit.
NOTE: Numbers in parenthesis ( ) are reference numbers for parts listed in Bill of Materials.
Installation instructions for kit number 9006317
SYNOPSIS:
This kit contains the parts needed to install a backup alarm / strobe light kit on S20 machines.
Please follow step-by-step instructions.
SPECIAL TOOLS / CONSIDERATIONS: NONE
(Estimated time to complete: 1.5 hours)
PREPARATION:
1. Park the machine on a clean level surface,
turn off the machine, remove the key, and set
the parking brake.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
2. Disconnect the battery cables from the
battery.
WARNING: Always disconnect battery
cables from machine before working on
electrical components.
3. Open the main cover.
INSTALLATION:
1. Drill a 0.25” pilot hole into the center of the
slot in the main cover. Refer to Fig. 1.
2. Use the 0.25” drilled in the previous step as a
reference to measure locations for the 0.50”
holes. Refer to Fig. 1.
3. Use a hole saw to cut a 1.25” hole into the
main cover. Refer to Fig. 1.
4. Drill two 0.50” holes into the main cover. Refer
to Fig. 1.
5. Deburr the 1.25” and 0.50” holes. Refer to
Fig. 1.
Note: View from
inside the cover
FIG. 1

IB 9006831 (09--2010)2
6. Trim the strobe light (11) wires to a 9” length
and backup alarm (1) wires to a 5” length.
Crimp the bullet terminals (27) onto the wires.
7. Trim the spot light (8) wires to a 6” length and
crimp the QF terminals (28) onto the wires.
8. Route the strobe light (11) cable through the
hole in the light mounting plate (18) and use
two pan screws (12), two flat washers (14),
and two hex nuts (13) to install the light onto
the light mounting plate. Refer to Fig. 2.
12
13
14
18
11
FIG. 2
9. Route the spot light (8) wires through the hole
in the alarm bracket (15) and use a hex screw
(9) and a flat washer (10) to install the spot
light onto the alarm bracket. Refer to Fig. 3.
2
3
8
910
15
1
Do not
completely
tighten
FIG. 3
10. Use two hex screws (2) and two flange hex
nuts (3) to install the backup alarm (1) onto
the alarm bracket (15). Do not completely
tighten the labeled hardware. Refer to Fig. 3.
11. Route the backup alarm (1) wires through the
hole in the alarm bracket (15) and into the
interior of the alarm bracket. Refer to Fig. 4.
12. Use two pan screws (5), two flat washers (6),
and two hex nuts (7) to install the flasher (4)
inside the alarm bracket (15). Refer to Fig. 4.
7
15
20
21
4
5
6
FIG. 4
13. Install the boot (21) onto the 5 Amp circuit
breaker (20). Refer to Fig. 4.
14. Insert the 5 Amp circuit breaker (20) into the
alarm bracket (15). Refer to Fig. 4.
15. Use two hex screws (2), two flat washers
(16), and two hex nuts (17) to install the
alarm bracket (15) onto the main cover.
Refer to Fig. 5.
15
2
16
17
1
8
429
FIG. 5
16. Route the alarm / strobe harness (19) through
the 1.25” hole in the main shroud and into the
alarm bracket (15).
17. Remove the hex screw (2) and flange hex nut
(3) from the alarm bracket (15), place the
p--clamp (29) onto the alarm / strobe harness
(19), and use the hex screw and flange hex
nut to install the p--clamp onto the alarm
bracket. Refer to Fig. 3 and Fig. 7.

IB 9006831 (09--2010) 3
18. Connect the alarm / strobe harness (19) to the
backup alarm (1), spotlight (8), flasher (4),
and 5--Amp circuit breaker (20). Refer to Fig.
5 and Fig. 7.
19. Connect the alarm / strobe harness (19) to the
strobe light (13). Refer to Fig. 7.
20. Tighten the hex screw (2) and flange hex nut
(3) holding the p--clamp (29) onto the alarm
bracket (15). Refer to Fig. 3.
21. Use two hex screws (2) to attach the light
mounting plate (18) to the alarm bracket (15).
Refer to Fig. 6.
NOTE:Do not pinch wires between the mounting
plate (18) and alarm bracket (15) when
assembling the mounting plate onto the alarm
bracket.
15
Main
cover
2
18 13
FIG. 6
22. Connect the alarm / strobe harness (19) to the
main wire harness. Refer to Fig. 7 and Fig. 12.
23. Use two cable ties to secure the alarm / strobe
harness (19) to the rear louvre panel on the
main cover. Refer to Fig. 9.
FIG. 7
FIG. 8

IB 9006831 (09--2010)4
M3 M4 A2 B-- B--
M3
M4
M1
M2
100
80
80 100
B--
B+
A2
M--
M2
Replace existing
M4 contactor
with 36 VDC
contactor (25)
Motor
controller
M-- lead
Bus bar
Electric component plate
FIG. 9
24. Remove the cover from the electrical control
box.
25. Remove the existing M4 contactor from the
electric component plate. Discard the
contactor. Refer to Fig. 9.
26. Install the 36 VDC contactor (25) into M4
location on the electric component plate.
Refer to Fig. 9 and Fig. 10.
25
M3
M4
FIG. 10
27. Reinstall the bus bar onto the M3 and M4
contactors and reconnect the M-- lead to the
M3 contactor. Refer to Fig, 9.
28. Reinstall the cover onto the electrical control
box.
29. Use two screws (24), two flat washers (14),
and two hex nuts (13) to install the 36 VDC
contactor (23) onto the circuit breaker bracket.
Refer to Fig. 11.
22
23
13
14
24
Circuit breaker
bracket
FIG. 11
30. Install the 2.5 Amp resettable circuit breaker
(22) into the circuit breaker bracket. Refer to
Fig. 11.
31. Connect the main wire harness to the 2.5
Amp circuit breaker (22) and 36 VDC
contactor (23) installed in the circuit breaker
bracket. Refer to Fig. 11 and Fig. 12.
32. Plug the diode (26) into the main wire
harness. Refer to Fig. 12.
33. Reconnect the battery cables to the batteries.
34. Start and test the machine. Use the headlight/
strobe light switch to turn on the strobe light.
Operate the machine in reverse and to ensure
the alarm / lights function.

IB 9006831 (09--2010) 5
Connect to alarm /
strobe harness (19)
Connect to
36 VDC
contactor (23)
Connect to
2.5 Amp circuit
breaker (22)
Plug diode (26)
at this location
FIG. 12

IB 9006831 (09--2010)6
1
2
3
4
5
6
7
8
9
10
11
12
14
13
15
16
17
18
2
19
20
21
22
23
13
14
24
25
26
M3
M4
FIG. 13

IB 9006831 (09--2010) 7
1
2
4
3
Switched
B+
Ground
FIG. 14 -- Schematic Provided For Troubleshooting

IB 9006831 (09--2010)8
1
2
3
4
Ground
Switched
B+
FIG. 15 -- Schematic Provided For Troubleshooting

IB 9006831 (09--2010) 9
Bill of Materials for Alarm Kit, Backup, Strobe, Rear, EV, CI -- 9006317
Ref.
Tennant
Part No. Description Qty.
o9006317 )Alarm Kit, Backup, Strobe, Rear, EV, CI 1
Y1 72171 Alarm Assy, Backup, 12--48VDC 82--102DBA 1
Y2 1037346 Screw, Hex, M8 X 1.25 X 25, 9.8, SEMS 6
Y3 07791 Nut, Hex, Flng, M8 X 1.25 2
Y4 72164 Flasher, 12/48VDC 5A [6309/12--48V] 1
Y506949 )Screw, Hex, M6 X 1.00 X 50, 8.8 2
Y6 32483 Washer, Flat, 0.25, SAE 2
Y7 08708 Nut, Hex, Lock, M6 X 1.00, NL 2
Y8 72173 Light, Spot, 36VDC, 60WATT. A 4.8D 1
Y9 39807 Screw, Hex, .50--13 X 0.75, G5 1
Y10 32486 )Washer Flat,0.50,SAE 1
Y11 1017250 Light, Strobe, Amb, 12--48VDC 1
Y12 06933 Screw, Pan, Phl, M5 X 0.80 X 16, 4.8 2
Y13 06549 Nut, Hex, Lock, M5 X 0.80, NL 2
Y14 19066 Washer, Flat, 10 2
Y15 1049554 )Angle, Mtg, Alarm 1
Y16 32491 Washer, Flat, 0.31, Std 2
Y17 08709 Nut, Hex, Lock, M8 X 1.25, NL 2
Y18 1049553 Plate, Mtg, Light 1
Y19 1052474 Harness, Alarm / Strobe, 36VDC [S20] 1
Y20 1046882 )Circuitbreaker, 05.0A, Resettable 1
Y21 1046173 Boot, Circuitbreaker 1
Y22 1046152 Circuitbreaker, 2.5A, Resettable 1
Y23 386810 Contactor, 36VDC, 100A, SP, NO 1
Y24 09200 Screw, Pan, Phl, M5 X 0.80 X 12, SS 2
Y25 86377 )Contactor, 36VDC [SPCO] 1
Y26 222290 Diode, Ele, Plug 1
Y27 55272 Terminal, Bullet, Mal, .157D, 12GA 4
Y28 50470 Terminal, QF, .25 16--14GA, Blu 2
Y29 67767 Clamp, Cable, Stl, 0.69D X 0.62W, 1Hole 1
TENNANT COMPANY
P. O. Box 1452
Minneapolis, MN 55440-1452