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.

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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