Tennant SweepSmart S20 ELECTRIC Training manual

IB 9007878 (12- 2014) 1
INSTRUCTION BULLETIN
No. 9007878
Machine: S20
Published: 12- 2014
Rev. 01
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 9007870
SYNOPSIS:
This kit contains the parts needed to install a backup alarm / strobe light kit on S20 machines
equipped with the optional overhead guard (machines serial numbers 001319 and above only).
Please follow step-by-step instructions.
SPECIAL TOOLS / CONSIDERATIONS: NONE
(Estimated time to complete: 1.5 hours)
PROTECT THE ENVIRONMENT
Please dispose of packaging materials, used machine components
such as batteries and fluids in an environmentally safe way according
to local waste disposal regulations.
Always remember to recycle.
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. Open the main cover.
3. Disconnect the battery cables from the
battery.
WARNING: Always disconnect battery
cables from machine before working on
electrical components.

IB 9007878 (12- 2014)2
4. Check the rear engine mounting bracket. If
rear engine mounting bracket has a location
for installing the reverse switch bracket (9)
proceed to the next step. If rear engine
mounting bracket does not have location for
installing reverse switch bracket replace the
rear engine mounting bracket with new rear
engine mounting bracket (25). (Fig. 1)
Remove existing rear engine mounting bracket
and replace with new rear engine mounting
bracket (25) if existing bracket does not have
location to install reverse switch bracket (9).
FIG. 1

IB 9007878 (12- 2014) 3
5. Check the propel cable mounting bracket on
the hydraulic pump. If propel cable mounting
bracket has a tab located on bottom of
bracket proceed to the INSTALLATION
section. If the propel cable mounting bracket
does not have tab located on the bottom of
bracket, replace existing propel cable
mounting bracket with new propel cable
mounting bracket (26). (Fig. 2)
6. If the propel cable mounting bracket was
replaced, adjust the new propel cable
mounting bracket (26) so the machine does
not move instantly upon start up, before the
directional pedal is used to move the
machine.
Hydraulic
pump
Remove existingpropel
cable mounting bracket
and replace with new
propel cable mounting
bracket (26) if machine
is equipped with
bracket without tab.
FIG. 2
INSTALLATION:
1. Use a M3 pan screw (5), lock washer (7), and
a M3 hex nut (6) to install the grip clip (4) onto
the mounting bracket (20). (Fig. 3)
2. Insert the 12 VDC flasher (8) into the
previously installed grip clip (4). (Fig. 3)
3. Use the hardware included with the spot light
(16) to install the spot light onto the mounting
bracket (20). (Fig. 3)
4. Use two M8 SEMS hex screws (2) and two
M8 hex nuts (3) to install the backup alarm (1)
onto the mounting bracket (20). (Fig. 3)
1
2
3
4
5
6
7
816
20
16
FIG. 3

IB 9007878 (12- 2014)4
5. Use two M8 SEMS hex screws (21), two flat
washers (12), and two M8 hex nuts (3) to
install the light / alarm assembly assembled in
the previous several steps onto the overhead
guard. (Fig. 4)
3
12
21
Insert grommet on
alarm / strobe
harness (13)
Light / alarm
assembly
FIG. 4
6. Trim the flashing light (17) wires to 6 in.
7. Crimp a bullet terminal (24) onto each strobe
light (17) wire.
8. Route the strobe light (17) cable through the
hole in the overhead guard and use two M5
pan screws (18), two flat washers (22), and
two M5 hex nuts (19) to install the strobe light
onto the overhead guard. (Fig. 5)
19
17
18
22
Top o f
overhead
guard
FIG. 5
9. Connect the alarm / strobe harness (13) to the
strobe light (17). (Fig. 5 / Fig. 6)
10. Connect the alarm / strobe harness (13) to the
backup alarm (1), spot light (16), and 12 VDC
flasher(8).(Fig.3/Fig.6)
11. Insert the grommet on the alarm / strobe
harness (13) into the hole in the top of the
overhead guard. (Fig. 4)

IB 9007878 (12- 2014) 5
FIG. 6
12. Cut the vinyl duct (14) into one 28” section
and two 10” sections.
13. Install the sections of vinyl duct (14) cut in
the previous step onto the overhead guard.
(Fig.7/Fig.8/Fig.9/Fig.15)
FIG. 7
FIG. 8
FIG. 9
14. Insert the grommet (15) into the hole in the
operator compartment. (Fig. 10 / Fig. 11)
14 (28 in.)
15
23
13
FIG. 10

IB 9007878 (12- 2014)6
15. Remove the M12 hex screw and flat washer
securing the overhead guard channel to the
machine. Set the M12 hex screw and flat
washer aside. (Fig. 11)
16. Route the alarm / strobe harness (13) through
the sections of vinyl duct (14) and down to the
front of the operator compartment. (Fig. 7 /
Fig. 8 / Fig. 9 / Fig. 10 / Fig. 11)
17. Install the clamp (23) onto the alarm / strobe
harness (13) and use the M12 hex screw and
flat washer to secure the harness to the
overhead guard channel. (Fig. 10 / Fig. 11)
FIG. 11
18. Route the alarm / strobe harness (13) through
the grommet (15) in the hole in the operator
compartment. (Fig. 11)
19. Connect the alarm / strobe harness (13) to
the main wire harness. (Fig. 6 / Fig. 14)
20. Connect the main wire harness to the snap
switch (10). (Fig. 12 / Fig. 14)
21. Wrap electrical tape around each electrical
connection from the previous step. No
metallic parts should touch the connections.
Contact with other metallic parts could cause
the system to short.
22. Use two SEMS M6 hex screws (11) to install
the snap switch (10) onto the reverse switch
bracket (9). (Fig. 12)
11
9
10
11
Rear engine
mounting bracket
(located directly
under the
hydraulic pump)
FIG. 12
23. Use two SEMS M6 hex screws (11) to install
the snap switch (10) / reverse switch bracket
(9) onto the rear engine mounting bracket
(located directly under the hydraulic pump).
(Fig. 12)
24. Reconnect the battery cables to the batteries.
25. Start and test the machine. Use the headlight/
flashing light switch to turn on the strobe light.
Operate the machine in reverse and ensure
all lights and the alarm function. If necessary,
adjust the position for the snap switch (10)
and / or reverse switch bracket (9) if the lights
and alarm are not operating when the
machine is in reverse.

IB 9007878 (12- 2014) 7
Connect to
switch (10)
FIG. 13

IB 9007878 (12- 2014)8
Connect to
alarm / strobe
harness (13)
FIG. 14

IB 9007878 (12- 2014) 9
11
1
2
3
4
5
6
7
8
9
10
11
16
17
18
19
22
20
21
3
12
13
14
15
23
16
14 (10 in.)
14 (10 in.)
FIG. 15

IB 9007878 (12- 2014)10
Bill of Materials for Alarm Kit, Backup, Strobe, OHG, IC, CI - 9007870
Ref.
Tennant
Part No. Description Qty.
o9007870 Alarm Kit, Backup, Strobe, OHG, IC, CI 1
Y1 9007131 Alarm Assy, Backup, 12/48vdc 1
Y2 1037346 Screw, Hex, M8 X 1.25 X 25, 9.8, SEMS 2
Y3 08709 Nut, Hex, Lock, M8 X 1.25, Nl 4
Y4 24576- 1 Clip, Grip, Finger, 1.19- 1.35d, Nk Pl 1
Y506920 Screw, Pan, Phl, M3 X 0.50 X 10, 4.8 1
Y6 01754 Nut, Hex, Std, M3 X 0.50, 8 1
Y7 39658 Washer, Lock, Int, 04 1
Y8 24576 Flasher, 12vdc [Hd552ps83] 1
Y9 1067978 Bracket, Switch, Reverse 1
Y10 1039735 Switch, Snap, 15a No 1
Y11 1036892 Screw, Hex, M6 X 1.00 X 25, 9.8, SEMS 4
Y12 32491 Washer, Flat, 0.31, Std 2
Y13 1051779 Harness, Alarm / Strobe, OHG [S20] 1
Y14 55034 Duct, Vyl, 0.74 X 1.50 .75d Max 48.0l 1
Y15 10632- 1 Grommet, Rbr, 1.06id, F/1.4h, .19 Matl 1
Y16 36438 Light, Spot, 12vdc, 21cp, Rwk 44025a 1
Yo17 1017250 Light, Strobe, Amb, 12- 48vdc 1
YY 9000846 Lamp, Bulb, Flash 1
YY 9000879 Lens, Amb, F/ Revl / Flasher 1
Y18 06933 Screw, Pan, Phl, M5 X 0.80 X 16, 4.8 2
Y19 06549 Nut, Hex, Lock, M5 X 0.80, Nl 2
Y20 1050046 Bracket, Mtg, Horn 1
Y21 1020341 Screw, Hex, M8 X 1.25 X 20, SS, SEMS 2
Y22 32483 Washer, Flat, 0.25, SAE 2
Y23 58366 Clamp, Cable, Stl, 1.25d X 1.00w, 1hole 1
Y24 55272 Terminal, Bullet, Mal, .157D, 12Ga 2
Y25 1045645 Bracket Wldt, Mtg, Eng, Rear 1
Y26 1046635 Bracket, Mtg, Cable, Propel 1
TENNANT COMPANY
P. O. Box 1452
Minneapolis, MN 55440-1452