Tennant S16 Training manual

IB 9045271 (02- 2021) 1
INSTRUCTION BULLETIN
No. 9045271
Machine: S16
Published: 02- 2021
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 9045269
Kit installation must be performed by TennantTrue

service or an authorized service provider.
SYNOPSIS:
This kit contains the parts needed to replace the main sweep circuit board on S16 sweepers.
Please follow step-by-step instructions.
SPECIAL TOOLS / CONSIDERATIONS: Tennant Service device with Tennant Service Diagnostics
software.
(Estimated time to complete: 1 hour)
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:
NOTE: Only authorized Tennant Service
Personnel can replace the main sweep circuit
board on the S16 sweeper.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
1. Disconnect the battery cable from the
machine.
WARNING: Always disconnect battery
cables from machine before working on
electrical components.
INSTALLATION:
NOTE: To avoid damaging electronic
components, a static ground strap (5) must be
worn at all times while handling electrical
components. Attach the other end of the static
ground strap to the machine chassis.
1. Remove the left side cover from the machine.
Set the left side cover aside.
2. Remove the controls cover box from the
control housing. Set the controls cover box
and hardware aside. (Fig. 1/Fig. 4)
FIG. 1

IB 9045271 (02- 2021)2
3. Disconnect all main wire harness connectors
from the main sweep control board. Set aside
all hardware used to secure main wire
harness connections to the main sweep
control board. (Fig. 4)
4. Remove the six pan screws and nylon
washers securing the main sweep board to
the control housing. Discard the removed pan
screws and nylon washers. (Fig. 2/Fig. 4)
FIG. 2
5. Carefully squeeze the plastic standoffs
securing the main sweep circuit board to the
control housing to release the circuit board
from the control housing and remove the main
sweep circuit board. Discard the removed
main sweep circuit board. (Fig. 4)
6. Remove the stand- offs previously used to
hold the main sweep circuit board to the
control housing from the control housing.
Discard the stand- offs. (Fig. 4)
7. Install new stand- offs (2) where the
stand- offs that were removed from the control
housing in the previous step were located.
(Fig. 4)
8. Place the new main sweep circuit board (1)
onto the stand- offs (2) install into the control
housing in the previous step. (Fig. 4)
9. Use the six pan screws (3) and six nylon
washers (4) to secure the main sweep circuit
board (1) into the control housing. (Fig. 4)
10.Reconnect the main wire harness to the main
sweep circuit board (1). (Fig. 4)
11. Reinstall the controls cover box onto the
control housing. (Fig. 4)
12.Reinstall the left side cover onto the machine.
13.Reconnect the battery cable to the machine.
NOTE: A Tennant Service device equipped with
Tennant Service Diagnostics software is required
to update the machine firmware after the main
sweep circuit board (1) is replaced. Refer to the
S16 SERVICE MANUAL for instructions how to
update the machine firmware after replacing the
main sweep circuit board (1).
14.Plug machine USB cable into service device
and reconfigure the machine for the new
main sweep circuit board. (Fig. 3)
FIG. 3
15.Disconnect the service device/USB cable
from the machine USB connection.
16.Turn key switch ON and test machine. Ensure
all machine systems are fully operational.

IB 9045271 (02- 2021) 3
FRONT
2
2
2
3
4
Controls
cover box
1
Control
housing
Hold B+ and GND
stand- offs with open ended
wrench while tightening hex
screws securing main
harness connectors to main
sweep circuit board
FIG. 4

IB 9045271 (02- 2021)4
Bill Of Materials For Circuit Board Kit, Main Sweep, CI [S16] - 9045269 *
Ref.
Tennant
Part No. Description Qty.
11237558 )Circuit Board Assy [Sweep, Jetmore] 1
2 1210399 Stand- Off, Circuit Board [0.25”] 8
3 06927 Screw, Pan, Phl, M4 X 0.70 X 16, 4.8 6
4 1202860 Washer, Flat, 0.17B 0.31D .03, Nyl 6
527964 Strap, Ground, Static, Disposable 1
* NOTE: Only authorized Tennant Service Personnel can install this main sweep circuit board kit onto the
S16 sweeper.
TENNANT COMPANY
P. O. Box 1452
Minneapolis, MN 55440-1452