Tennant M20 Schulungshandbuch

IB 9014424 (12- 2017) 1

INSTRUCTION BULLETIN

No. 9014424

Machine: M20 / M30 /

T20

Published: 12- 2017

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 9014423

SYNOPSIS:

This kit contains the parts needed to replace the sheave assembly on M20 / M30 / T20 machines

equipped with Mitsubishi 2.0L Gas or LP engines.

Please follow step-by-step instructions.

SPECIAL TOOLS / CONSIDERATIONS: NONE

(Estimated time to complete: 3 hours)

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:

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, turn off

machine, and remove key.

2. Open and / or remove shrouds / covers

necessary to access the engine.

INSTALLATION:

1. Remove the fan shroud / belt guard from the

machine. Set the fan shroud / belt guard and

all mounting hardware aside.

2. Drain the antifreeze from the coolant system.

Dispose the drained antifreeze.

3. Remove the radiator from the machine. Set

the radiator and all mounting hardware aside.

4. Remove the cooling fan assembly from the

engine. Set the fan assembly and all

hardware aside. (Fig. 1)

5. Remove the engine belt from the machine.

Set the engine belt aside. (Fig. 1)

6. Remove the sheave and fan hub pulley from

the machine. Discard the sheave, spacer, key,

bearings, and all mounting hardware. (Fig. 1)

7. Remove the hardware securing the alternator

arm to the fan shaft plate. Set the hardware

aside. (Fig. 1)

8. Remove / move any components necessary

to access and remove the fan shaft plate from

the machine. Set all removed items aside.

(Fig. 1)

9. Remove the fan shaft plate from the machine.

Set all mounting hardware aside. Discard the

fan shaft plate. (Fig. 1)

IB 9014424 (12- 2017)2

FRONT

Remove and

set cooling fan

aside

Remove and set

hardware aside

Remove and

discardfan shaft

plate

Remove and set

hardware (Qty. 3)

aside

Remove and

set hardware

aside

Alternator

arm Alternator

Torsional

damper

pulley

Fan guard

Loosen

hardware

Tensioner assembly

Remove and set

fan belt aside

Remove and discard fan

spacer, key, sheave,

bearings, and all mounting

hardware

FIG. 1

IB 9014424 (12- 2017) 3

FRONT

Tensioner assembly

Fan belt

Cooling

fan

Alternator

Torsional

damper pulley

Fan guard

FIG. 2

10. Install the new fan shaft plate (2) onto the

machine. (Fig. 2)

11. Install the alternator arm onto the fan shaft

plate (2). (Fig. 2)

12. Insert both retaining rings (9) into the new

sheave (1). (Fig. 2)

13. Press both ball bearings (3) into the sheave

(1) and against the retaining rings (9) installed

in the previous step. (Fig. 2)

IB 9014424 (12- 2017)4

14. Slide the sheave assembly onto the fan shaft

plate (2). (Fig. 2)

15. Use a hex screw (6) and a flat washer (5) to

secure the sheave assembly(1) onto the fan

hub plate (2). (Fig. 2)

16. Use three socket screws (4) to install the fan

spacer (7) onto the sheave assembly (1).

(Fig. 2)

17. Position the engine belt onto the sheave

assembly, alternator, and torsional damper

pulley. (Fig. 2)

18. Insert the key (8) into the notch in the fan

spacer (7). (Fig. 2)

19. Reinstall the cooling fan assembly onto the

machine. Be sure the key (8) remains in the

notch in the fan spacer (7) when installing the

cooler fan assembly onto the fan spacer.

(Fig. 2)

20. Tighten the engine belt to the appropriate

tension. Refer to the Maintenance section of

the Operators manual for the correct tension.

21. Check the engine belt alignment. If necessary,

make necessary adjustments to properly align

the belt.

22. Reinstall the fan shroud / belt guard onto the

radiator.

23. Reinstall the radiator onto the machine.

24. Refill the engine cooling system with the

appropriate amount of fresh antifreeze. Do

Not reuse the removed antifreeze. Refer to

the Specifications section of the Operators

Manual for the required amount.

NOTE:Be sure all air is purged from the cooling

system and the antifreeze is at the correct level in

the recovery tank before operating the machine.

25. Start and run machine for several minutes.

Observe the coolant system for leaks. Turn off

the machine and recheck the antifreeze level.

Add antifreeze as necessary.

Bill of Materials for Sheave Kit, Repair [Mit 2.0l] - 9014423

Ref.

Tennant

Part No. Description Qty.

11070426 Sheave, Mach [Mit 2615rpm fan] 1

2 1073529 Plate Wldt, Shaft, Fan [Shaft Extended] 1

3 1055377 Bearing, Ball, 20mmb 42mmd 12mmw 2

4 10831 Screw, Soc, .38- 16 X 1.25, Al 3

5 1017218 )Washer, Flat, 0.32b 1.00d .12, SS 1

616735 Screw, Hex, M8 X 1.25 X 16, 8.8 1

7 1070431 Spacer, Fan, Taper [Mit 2013] 1

8 00960 Key, Sq, 0.12 X 0.12, 0.50l 1

91074849 Ring, Retaining, Int, 42mm 2

TENNANT COMPANY

P. O. Box 1452

Minneapolis, MN 55440-1452

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