Tennant T12 Training manual
IB 9020661 (01- 2021) 1
INSTRUCTION BULLETIN
No. 9020661
Machine: T12/T16
Published: 01- 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 9020660, 9020681, 9020685, and 9020686
Kit installation must be performed by TennantTrue
service or an authorized service provider.
SYNOPSIS:
This kit contains the parts needed to replace the drive wheel/drive wheel hub on T12/T16 scrubbers.
Please follow step-by-step instructions.
SPECIAL TOOLS / CONSIDERATIONS: NONE
(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:
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
1. If scrub head is not raised, turn key switch
ON, completely raise the scrub head, and turn
key switch OFF.
2. Turn the steering wheel as far to the left as
possible.
3. Remove the main scrub brush(es) and side
scrub brush(es) from the machine. Set all
scrub brushes aside.
INSTALLATION:
1. Place a chock behind both rear tires.
2. Remove the socket screws (Qty. 4) from the
front wheel assembly. Discard the socket
screws. (Fig. 1)
FIG. 1
IB 9020661 (01- 2021)2
3. Jack up the front end of the machine enough
to access the drive wheel assembly. Place
jack stands under the machine and lower the
machine onto the jack stands. See MACHINE
JACKING in the MAINTENANCE section of
the OPERATOR MANUAL for additional
instructions and safety information.
FOR SAFETY: When servicing machine, block
machine tires before jacking machine up. Use
a hoist or jack that will support the weight of
the machine. Jack machine up at designated
locations only. Support machine with jack
stands.
4. Turn the steering wheel as far to the right as
possible to allow easier access to the other
side of the drive wheel assembly.
5. Use the hardware from the tire puller kit (3) to
press the wheel from the drive wheel
assembly. Tighten the screws evenly until the
wheel comes freely from the drive wheel
assembly. Discard the removed drive wheel
assembly. (Fig. 2/Fig. 3)
FIG. 2
FIG. 3
6. Use the six socket screws from the screw kit
(2) to Install the new hub (1) onto the the new
wheel (1). Torque the socket screws to 20 Nm
(14.75 ft. lbs.). (Fig. 5)
7. Place the new wheel (4) onto the drive wheel
assembly and use two dowels from the tire
puller kit (3) to align the holes in the wheel
with the holes in the drive wheel assembly.
(Fig. 4/Fig. 5)
FIG. 4
8. Loosely hand tighten the two flange screws
from the screw kit (2) into the wheel and the
drive wheel assembly until the wheel is
loosely secured into place. (Fig. 4/Fig. 5)
9. Remove the alignment dowels from the tire
puller kit (3) from the drive wheel assembly.
10. Loosely hand tighten the two remaining two
flange screws from the screw kit (2) into the
wheel and the drive wheel assembly.
(Fig. 4/Fig. 5)
11. Tighten the previously installed hex screws
(Qty.4)to40Nm(29.5ft.lbs.).Useastar
pattern to evenly tighten the hex screws.
(Fig. 4/Fig. 5)
NOTE:It may not be possible to achieve final
torque with machine jacked up from the floor. It
may be necessary to tighten the hex screws to
correct torque after the machine is lowered to the
floor.
12. Jack the machine up off the jack stands,
remove the jack stands from under the
machine, and lower the machine to the floor.
IB 9020661 (01- 2021) 3
13. If necessary, tighten the hex screws (Qty. 4)
to the correct torque.
14. Reinstall the main brush(es) and side
brush(es) onto the machine.
15. Start and test the machine. Machine should
move freely when operated in both forward
and reverse, and when cornering.
1
2
34
Socket screws
(Qty. 6)
Flange screws
(Qty. 4)
FIG. 5
IB 9020661 (01- 2021)4
Bill Of Materials For Wheel And Hub Kit, Red [T16] - 9020660
Ref.
Tennant
Part No. Description Qty.
19020657 )Vr, Hub, Alm 1
2 9020658 Vr, Screw Kit 1
3 9008544 Vr, Tire Kit, Puller 1
49008545 Vr, Wheel, Pyu [300X100 Red] 1
Bill Of Materials For Wheel And Hub Kit, Blue [T16] - 9020681
Ref.
Tennant
Part No. Description Qty.
19020657 )Vr, Hub, Alm 1
2 9020658 Vr, Screw Kit 1
3 9008544 Vr, Tire Kit, Puller 1
49012602 Vr, Wheel, Pyu [300X100 Blue] 1
Bill Of Materials For Wheel And Hub Kit, Blue [T12] - 9020685
Ref.
Tennant
Part No. Description Qty.
19020657 )Vr, Hub, Alm 1
2 9020658 Vr, Screw Kit 1
3 9008544 Vr, Tire Kit, Puller 1
49012603 Vr, Wheel, Pyu [250X90 Blue] 1
Bill Of Materials For Wheel And Hub Kit, Red [T12] - 9020686
Ref.
Tennant
Part No. Description Qty.
19020657 )Vr, Hub, Alm 1
2 9020658 Vr, Screw Kit 1
3 9008544 Vr, Tire Kit, Puller 1
49011048 Vr, Wheel, Pyu [250X90 Red] 1
TENNANT COMPANY
P. O. Box 1452
Minneapolis, MN 55440-1452
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