Tennant 322316 Training manual

IB 328299 (11--2011) 1
EN English
INSTRUCTION BULLETIN
No. 328299
Machine: T16
Published: 11--2011
Rev. 00
English (EN) 1.................................................................
Deutsch (DE) 17.................................................................
Español (ES) 33.................................................................
Français (FR) 49.................................................................
Italiano (IT) 65...................................................................
Nederlands (NL) 81..............................................................
NOTE: Numbers in parenthesis ( ) are reference numbers for parts listed in Bill of Materials.
Installation instructions for kit number 322316
SYNOPSIS:
This kit contains the parts needed to replace the steering shaft on T16 scrubbers.
Please follow step-by-step instructions.
SPECIAL TOOLS / CONSIDERATIONS: 1--11/16 socket
(Estimated time to complete: 3 hours)
PROTECT THE ENVIRONMENT
Please dispose of packaging materials, old machine components, and
hazardous fluids in an environmentally safe manner according to local
waste disposal regulations.
Always remember to recycle.
PREPARATION:
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
WARNING: Always disconnect battery
cables from machine before working on
electrical components.
NOTE:Do Not discard removed parts unless
instructed to do so. Set removed parts aside.
Most of these parts are reinstalled onto the
machine.
NOTE:Refer Fig. 54, Fig. 55, and Fig. 56 for
exploded views / part locations on the machine.
ATTENTION: Do Not bend the steering shaft
except for the slight bend necessary to install
it onto the machine.

IB 328299 (11--2011)
2EN English
DISASSEMBLE MACHINE:
1. Remove the electrical panel. (Fig. 1)
NOTE:Mark back of the electrical panel with wire
locations to make later reassembly easier.
FIG. 1
2. Remove the access panel. (Fig. 2)
FIG. 2
3. Loosen the set screws from the bracket inside
the steering weldment. (Fig. 3)
FIG. 3
4. Disconnect the main wire harness from the
touch panel assembly.
5. Pull the touch panel assembly out from the
steering assembly. (Fig. 4)
FIG. 4
6. Remove the 1--11/16 in jam nut from the
steering assembly. (Fig. 5)
FIG. 5
7. Remove the steering wheel. (Fig. 6)
FIG. 6

IB 328299 (11--2011) 3
EN English
FRONT
Headlight
Shroud
Gasket
Remove
hardware
Remove
hardware
Remove
hardware
Corner
shroud
Remove
foam seal
FIG. 7

IB 328299 (11--2011)
4EN English
8. Remove both control panels. (Fig. 8 / Fig. 9)
NOTE:Mark panels with wire locations to make
later reassembly easier.
FIG. 8
FIG. 9
9. Remove the headlight, if equipped. (Fig. 10 /
Fig. 7)
FIG. 10
10. Remove the shroud. (Fig. 11 / Fig. 7)
FIG. 11
11. Remove the corner shroud. (Fig. 7)
12. Use the provided socket (4) to loosen the
four socket screws in the steering coupling.
(Fig. 12)
FIG. 12
13. Remove the hardware from the two lower
cable clamp on the steering channel. Leave
cable clamps loose on wire harness. (Fig. 13)
FIG. 13
NOTE:If necessary, remove upper cable clamp
located above clamp in Fig. 13 to loosen main
wire harness from steering channel.

IB 328299 (11--2011) 5
EN English
14. Cut the cable ties from both steering channel
cross members. (Fig. 14)
FIG. 14
15. Remove hardware securing the steering
channel to the machine, lift the steering
channel up, and tilt it to the front of the
machine. (Fig. 15 / Fig. 16)
Remove all
hardware
Steering
channel
FIG. 15
FIG. 16
16. Slide the steering coupling from the steering
shaft. Discard the removed steering coupling.
(Fig. 17)
FIG. 17
17. Loosen hardware holding the flange bearing
to the support bracket. Do Not remove the
flange bearing from the support bracket. (Fig.
18)
FIG. 18

IB 328299 (11--2011)
6EN English
18. Remove the support bracket / flange bearing
from the steering channel / steering shaft.
(Fig. 19 / Fig. 20)
FIG. 19
FIG. 20
19. Loosen the six set screws in the upper flange
bearing, steering sprocket, and lower flange
bearing. (Fig. 21 / Fig. 22 / Fig. 23)
FIG. 21
FIG. 22
FIG. 23

IB 328299 (11--2011) 7
EN English
20. Loosen hardware holding the support plate
weldment to the steering channel. (Fig. 24)
FIG. 24
21. Newer Design Machines: Loosen the
steering tension hardware. (Fig. 25)
FIG. 25
22. Remove the key and the steering shaft from
the steering channel. Discard the key and
steering shaft. (Fig. 26 / Fig. 27)
FIG. 26
FIG. 27

IB 328299 (11--2011)
8EN English
ASSEMBLE MACHINE:
ATTENTION: Do Not bend the steering shaft
except for the slight bend necessary to install
it onto the machine. (Fig. 28)
FIG. 28
1. Use an alcohol wipe (6) to clean oil from the
inside the bore of the new steering coupling
(3) and both ends of the new steering shaft
(1). Do Not clean the flexible portion of the
steering shaft. (Fig. 29)
FIG. 29
2. Slide the new steering shaft (1) into the
bottom of the steering channel and up into
flange bearings and steering sprocket. Insert
the new key (7) into the steering shaft before
sliding the steering shaft into the upper flange
bearing. DO NOT COMPLETELY TIGHTEN
ANY SET SCREWS UNTIL INSTRUCTED
TO DO SO. (Fig. 30)
FIG. 30
3. Position the steering shaft in the steering
channel as shown in Fig. 31.
FIG. 31

IB 328299 (11--2011) 9
EN English
4. Reinstall the the support bracket / flange
bearing onto the steering channel. Loosely
install the hardware. DO NOT COMPLETELY
TIGHTEN HARDWARE. Hardware is
tightened during later adjustment. (Fig. 32)
FIG. 32
5. Check the steering chain tension. The
steering chain should flex 3 mm (0.125 in) at
the center of the chain. (Fig. 33)
FIG. 33
6. Older Design Machines: Push the support
plate weldment and tighten hardware (24
Nm /18.5 ft lbs) to secure the support plate
weldment to the steering channel. (Fig. 34)
FIG. 34
Newer Design Machines: Tighten the
steering tension hardware (A) and then
tighten hardware (B) (24 Nm / 18.5 ft lbs) to
secure the support plate weldment to the
steering channel. (Fig. 35)
A
B
B
B
B
FIG. 35
7. Recheck the steering chain tension. Adjust as
necessary. (Fig. 36)
FIG. 36

IB 328299 (11--2011)
10 EN English
8. Use an alcohol wipe (6) to clean the bore of
the new steering coupling (3) and the shaft of
the drive unit.
9. Place the steering coupling (3) onto the front
wheel assembly shaft and insert the shim (2)
into the steering coupling. (Fig. 37)
FIG. 37
10. Use the provided socket (4) to tighten the two
lower socket screws (17 Nm / 150 in lbs)to
secure the steering coupling (3) to the front
wheel assembly. (Fig. 37)
11. Remove the shim (2) from the steering
coupling (3). (Fig. 37)
12. Reinstall the steering channel and insert the
steering shaft into the steering coupling (3).
Loosely install the steering channel
hardware. DO NOT COMPLETELY TIGHTEN
HARDWARE. (Fig. 38)
FIG. 38
13. Use a cable tie to secure the wire harness to
the steering channel lower cross member to
secure the wire harness away from the
steering shaft (1). (Fig. 39)
FIG. 39
14. Lift the steering shaft (1) and reinsert the shim
(2) into the steering coupling (3). (Fig. 40)
FIG. 40
15. Tighten the steering channel hardware
(37--48 Nm / 27.3--35.4 ft lbs). (Fig. 41)
Torque
hardware
Steering
channel
FIG. 41