Tennant Nobles T350 Manual de usuario

KIT NO. 9017775 Page1of2

9017776 Rev. 00 (11- 2018) Tennant Company www.tennantco.com

Drive Harness Kit

Models: T350, Speed Scrub 350

This kit includes the necessary parts to replace a defective drive harness assembly on earlier models. It

includes upgrade parts (items 2- 8) to protect the drive assembly harness from possible damage. Carefully

install the new drive harness kit as instructed.

INSTALLATION INSTRUCTIONS:

Installation Time: 1 hour

Special Tools Required: None

9017775 - Kit Contents

Item Part No. Description Qty.

1 1238239 Harness Kit, Drive 1

2 130008 Conduit, Wrap, Corrugated 2 ft

3 130773 Tie, Cable, Nyl, 11.0L, 14w, 3.0 2

4 26395- 1 Clamp, Cable, Stl, 0.56D x 0.38W, 1hole 1

5 1239387 Bracket, Support, Harness 1

6 08716 Screw, Hex, M6 x 1.00 x 20, ss 1

7 08712 Nut, Hex, Lock, M6 x 1.00, nl, ss 1

8 01684 Washer, Flat, 0.278 0.69D .05, ss 1

PREPARE MACHINE FOR KIT INSTALL:

1. Empty the solution and recovery tanks.

2. Park the machine on a level surface and remove key.

3. Disconnect battery cable connector from battery pack.

FOR SAFETY: Before servicing machine, stop on

level surface, turn off machine, remove key and

disconnect battery cables.

4. Remove the left side frame shroud from the machine.

5. Carefully jack up the front of machine at designated

jack locations. Use jack stands to support machine.

REMOVE THE DRIVE ASSEMBLY FROM MACHINE:

1. Remove the four screws and washers securing the

drive assembly to the steering pulley bearing housing.

Save screws and washers for new harness assembly.

2. Unplug the two cable harness connectors and remove

drive wheel assembly from machine.

3. Remove the wheel from the drive assembly.

Save screw for reuse.

REMOVE THE OLD DRIVE HARNESS ASSEMBLY

FROM THE DRIVE MOTOR:

1. Remove the three hex screws securing the brake

assembly to drive motor. Remove the brake assembly.

Save hardware.

Three hex

screws

2. Remove the retaining ring from the motor shaft. Then

remove the collar and key from shaft. Do not misplace

the collar, key and retaining ring.

3. Remove the two screws securing the carbon brush

plate to the motor. Remove plate as shown. Save

hardware.

Carbon

brush

plate

4. Discard the old drive harness assembly.

Page2of2

KIT NO. 9017775

9017776 Rev. 00 (11- 2018) Tennant Company www.tennantco.com

INSTALL THE NEW DRIVE HARNESS KIT TO DRIVE

MOTOR:

1. Clean the carbon brush dust from inside the drive

motor with compressed air.

2. Repeat the previous steps in reverser order to install

the new drive harness assembly.

NOTE: When installing the new carbon brush plate on

the motor, you must push the four carbon brushes

outward to allow clearance over the shaft rotor. This is

done by using four small standard screwdrivers or

something similar as shown below.

PRE- ASSEMBLE THE UPGRADE PARTS TO THE NEW

DRIVE HARNESS ASSEMBLY:

1. Wrap the conduit around the drive motor harnesses

and secure it with cable- ties as shown.

2. Attach the harness support hardware to the conduit

harness as shown. Make sure the bracket orientation

is positioned on the harness as shown.

Harness

support

hardware

Conduit

Cable- ties

7.25 in / 18.4 cm

REINSTALL THE DRIVE ASSEMBLY:

1. Attach the harness support bracket when reinstalling

the drive assembly as shown. Use existing hardware.

Torque screws to 21 Nm (15 ft lb).

Mount harness

support bracket

as shown

Route harness

as shown

2. Route the cable harness as shown to allow for proper

clearance.

Route harness

as shown

3. Plug the two connectors into the machine harness and

secure with cable- ties.

4. Re- install wheel on new drive assembly. Use existing

screw. Torque screw to 21 Nm (15 ft lb).

5. Replace the left side frame shroud and reconnect

batteries.

6. Test machine for proper operation.

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