Tennant 9003489 Training manual

IB 340857 (03--2007) 1
INSTRUCTION BULLETIN
No. 340857
Machine: M20 / T20
Published: 03--2007
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 9003489
SYNOPSIS:
This kit contains the parts needed to install a strobe light/alarm kit on M20 and T20 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, set parking
brake, turn off machine, and remove key.
2. Open the front shroud and the engine shroud.
3. Disconnect the negative terminal and then the
positive terminal from the battery.
WARNING: Always disconnect battery
cables from machine before working on
electrical components.
NOTE:If installing the strobe light (13) onto the
bracket (5), proceed to the instructions beginning
on this page. If installing the strobe light (13) onto
the overhead guard, proceed to the instructions
starting on page 6.
INSTALLATION: (w/strobe light (13) installed
onto bracket (5))
1. Use two hex screws (2), two flat washers (3),
and two hex nuts (4) to install the backup
alarm (1) onto the bracket (5). Refer to Fig. 1.
1
2
34
5
FIG. 1

IB 340857 (03--2007)2
2. Route the wires from the strobe light (13)
down through the hole in the light support
bracket (5) and use a hex screw (2), flat
washer (3), and hex nut (4) to install the light
onto the bracket. Refer to Fig. 2.
13
2
3
4
5
FIG. 2
3. Route the wires from the strobe light (13)
through a cable clamp (9) and use a hex
screw (2), two flat washers (3), and hex nut
(4) to install the cable clamp underneath the
lamp support bracket (5) and completely
secure the light to the bracket. Refer to Fig. 3.
13
2
3
4
5
3
14
FIG. 3
4. Open the recovery tank cover and pull the
main wire harness backup alarm and
revolving light connector from between the
recovery and solution tank. Connect the
warning/backup harness (8) to the main wire
harness. Refer to Fig. 4 or Fig. 5, and Fig. 8.
FIG. 4 -- M20 Harness Location
FIG. 5 -- T20 Harness Location
5. Route the warning/backup harness (8)
through the notch in the solution tank and
install a cable clamp (9) onto the harness.
Refer to Fig. 8.

IB 340857 (03--2007) 3
6. Use three hex screws (6) and three flat
washers (7) to install the bracket (5) onto the
back of the machine. Refer to Fig. 6.
5
6
7
FIG. 6
7. Use a hex screw (6) and flat washer (7) to
install the cable clamp (9) on the warning/
backup harness (8) onto light support bracket
(5) and solution tank. Refer to Fig. 7.
5
6
7
9
FIG. 7
8. Connect the wires from the backup alarm (1)
and the strobe light (13) to the warning/
backup harness (8). Refer to Fig. 4.
9. Route excess cable from the main wire
harness and the warning/backup harness (8)
back down between the recovery and solution
tank. Refer to Fig. 3 and Fig. 4.
10. Reconnect the positive terminal and then the
negative terminal to the battery.
11. Start the machine and move the machine in
reverse. The backup alarm should sound
while machine is moving in reverse. The light
should function while the engine is operating.

IB 340857 (03--2007)4
1
2
3
4
5
6
7
8
13
14
2
3
4
3
4
14
Note: Following items are not used when strobe light (13)
is installed onto support bracket (5):
(9) 1019647 Overhead Guard Warning Harness--Qty 1
(10) 10632--17 Rubber Grommet--Qty 4
(11) 49266 7.3” Nylon Cable Tie--Qty 2
(12) 763115 6” Nylon Cable Tie--Qty 4
FIG. 8

IB 340857 (03--2007) 5
Main Wire Harness
Backup / Warning Harness (9)
FIG. 9

IB 340857 (03--2007)6
INSTALLATION: (w/strobe light (13) installed
onto overhead guard)
1. Pull the insulation away from the operator
compartment panel and drill a 13/16” hole
into the panel. If there is already a hole in the
panel, remove the plug from the hole. Refer
to Fig. 1 and Fig. 2.
FIG. 1
59.90
[2.358]
48.08
[1.893] 20.89
[0.822]
FIG. 2
2. Insert a grommet (10) into the hole in the
operator compartment panel and the hole on
top the overhead guard. Refer to Fig. 3 and
Fig. 4.
FIG. 3
13
2
3
4
10
FIG. 4
3. Route the wires from the strobe light (13)
down through the grommet (10) installed in
the overhead guard and use two hex screws
(2), two flat washers (3), and two hex nuts
(4) to install the light onto the overhead
guard. Refer to Fig. 4.
4. Connect the warning/overhead harness (9) to
the main wire harness, route the warning/
overhead harness through the grommet (10)
installed in the operator compartment panel,
up along leg of the overhead guard, and to the
rear cross member of the overhead guard.
Refer to Fig. 9 and Fig. 10.

IB 340857 (03--2007) 7
5. Insert a grommet (10) into the rear hole in the
rear cross member of the overhead guard and
route the warning/overhead harness (9)
through the grommet and the front hole in
the rear cross member. Refer to Fig. 5.
10
Install first, before
routing warning/
overhead harness
(9) through cross
member
Installafterroutingwarning/
overhead harness (9)
through cross member
10
FIG. 5
6. Slide the remaining grommet (10) onto the
warning/overhead harness (9) and insert the
grommet into the front hole in the rear cross
member of the overhead guard. Refer to Fig. 5.
7. Route the warning/OHG harness (9) through
the notch in the overhead guard insulation
and connect the harness to the strobe light
(13). Refer to Fig. 6 and Fig. 10.
FIG. 6
8. Use four cable ties (12) to secure the warning/
overhead harness (9) to the leg of the
overhead guard. Refer to Fig. 7 and Fig. 8.
FIG. 7
FIG. 8
9. Use two cable ties (11) to secure the warning/
overhead harness (9) to the top of the
overhead guard. Refer to Fig. 12.
10. Use two hex screws (2), two flat washers (3),
and two hex nuts (4) to install the backup
alarm (1) onto the bracket (5). Refer to Fig. 9.
1
2
34
5
FIG. 9

IB 340857 (03--2007)8
11. Open the recovery tank cover and pull the
main wire harness backup alarm connector
from between the recovery and solution tank.
Connect the warning/backup harness (8) to
the main wire harness. Refer to Fig. 10 or Fig.
11, and Fig. 14.
FIG. 10 -- M20 Harness Location
FIG. 11 -- T20 Harness Location
12. Route the warning/backup harness (8)
through the notch in the solution tank and
install a cable clamp (9) onto the harness.
Refer to Fig. 8.
13. Connect the wires from the backup alarm (1)
to the warning/ backup harness (8). Refer to
Fig. 14.
14. Neatly bundle the flashing light wires on the
warning/ backup harness (8) and secure them
to the harness with either cable ties of
electrical tape.
15. Route excess cable from the main wire
harness and the warning/backup harness (8)
back down between the recovery and solution
tank. Refer to Fig. 3 and Fig. 4.
16. Reconnect the negative battery cable and
then the positive terminal to the battery.
17. Start the machine and move the machine in
reverse. The backup alarm should sound
while machine is moving in reverse. The light
should function while the engine is operating.

IB 340857 (03--2007) 9
13
2
3
4
9
10
12
10
Connect to main
wire harness
Connect to wires
from strobe light (13)
Refer to Fig. 7 and
Fig. 8 for locations
of wire ties (12) on
leg of overhead
guard
Locations for cable ties (11)
securing warning/overhead harness
(9) to top of overhead guard
FRONT
REAR
REAR
FIG. 12

IB 340857 (03--2007)10
Main Wire Harness
Warning/OHG Harness (9)
FIG. 13

IB 340857 (03--2007) 11
Main Wire Harness
Backup / Warning Harness (9)
FIG. 14

IB 340857 (03--2007)12
Bill of Materials for A/V Kit, Strobe, CI [M20/T20]--9003489
Ref.
Tennant
Part No. Description Qty.
o9003489 A/V Kit, Strobe, CI [M20/T20] 1
Y1 61920 Alarm Assy, Backup, 12--24vdc 82--107dba 1
Y2 24196 Screw, Pan, M5 X 0.8 X 20, SS 4
Y3 19066 Washer, Flat, #10 4
Y4 09739 Nut, Hex, Lock, M5 X 0.80, NL, SS 4
Y51019445 Bracket, Sppt, Revl Light 1
Y6 09740 Screw, Hex, M8 X 1.25 X 20, SS 4
Y7 1017218 Washer, Flat, 0.32b 1.00d .12, SS 4
Y8 1019971 Harness, Warning / Backup [M20 & T20] 1
Y9 1019647 Harness, Warning / OHG [M20] 1
Y10 10632--17 Grommet, Rbr, 0.50ID, F/0.8H, .12 Matl 4
Y11 49266 Tie, Cable, Nyl, 07.3L .19W 1.8 Max D 2
Y12 763115 Tie, Cable, 6.0L, 1.25D Max 4
Y13 1017250 Light, Strobe, Amb, 12--48VDC 1
Y14 46236 Clamp, Cable, Stl, 0.26D X 0.56W, 1 Hole 2
TENNANT COMPANY
P. O. Box 1452
Minneapolis, MN 55440-1452