Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement

简介

This guide shows how to remove and replace the two driveshaft bearings for the Toro Cement Mixer 68009HD.

In order to remove the gear-side bearing, you must remove the driveshaft. This requires removing the tub first. You may be able to extract the pulley-side bearing without removing the driveshaft and tub.

Warning: The tub is extremely heavy and requires at least two people to lift it. Be sure to practice safe lifting techniques.

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步骤 1 Safety precautions

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Safety precautions: 步骤 1 中的图像 1，2

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Safety precautions: 步骤 1 中的图像 2，2

Before you begin, press the engine-stop switch to turn off the engine.

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步骤 2

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement: 步骤 2 中的图像 3，3

Unlatch the three rubber straps securing the cowl.

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步骤 3

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement: 步骤 3 中的图像 3，3

Swing the cowl up until it rests securely on the frame.

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步骤 4

Slide the fuel cutoff lever to the left to cut the fuel supply to the engine.

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步骤 5

Grab the plastic housing at the end of the spark plug wire.
Pull firmly to disconnect the wire from the spark plug.

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步骤 6 Remove the tub

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Remove the tub: 步骤 6 中的图像 1，2

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Remove the tub: 步骤 6 中的图像 2，2

Pull up on the brake lever to disengage the brake.

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步骤 7

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement: 步骤 7 中的图像 3，3

Rotate the tub until the yoke and dish assembly sit directly below the tub.

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步骤 8

Push down on the brake lever to re-engage the brake.
Make sure that the brake is fully engaged.

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步骤 9

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement: 步骤 9 中的图像 3，3

Use a 3/4 inch socket to remove the six nuts securing the tub to the dish.

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步骤 10

Remove the six drum clamp plates from the tub mounting points.

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步骤 11

Lift the tub up slightly by the gear ring to loosen the tub from the dish.

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步骤 12

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement: 步骤 12 中的图像 3，3

The tub is extremely heavy and requires at least two people to lift it. Be sure to practice safe lifting techniques.
Lift the tub straight up from the dish and remove it from the device.

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步骤 13 Remove the engine plate

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Remove the engine plate: 步骤 13 中的图像 1，2

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Remove the engine plate: 步骤 13 中的图像 2，2

Remove the four fasteners securing the engine plate:
Two 14 mm bolts
Two 3/4 inch nuts

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步骤 14

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement: 步骤 14 中的图像 3，3

Slide the engine plate up and out of the device to remove it.

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步骤 15 Remove the V-belts

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Remove the V-belts: 步骤 15 中的图像 1，2

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Remove the V-belts: 步骤 15 中的图像 2，2

Use a 3/4 inch wrench to loosen the four bolts securing the engine to the frame.
You don't need to fully remove these bolts—loosen them enough to create slack in order to remove and replace the belts.

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步骤 16

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement: 步骤 16 中的图像 3，3

If you are replacing the belts, you can choose to cut the old ones to remove them.
Slide the belts off from the pulleys and remove them.
If you have trouble sliding the belts off, further loosen the four engine bolts to create more slack.

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步骤 17 Remove the pulley

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Remove the pulley: 步骤 17 中的图像 1，2

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Remove the pulley: 步骤 17 中的图像 2，2

Use a crescent wrench to loosen the two set screws on the pulley.
Reassembly tip: The pulley is keyed to install in only one position.

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步骤 18

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement: 步骤 18 中的图像 3，3

Slide the pulley off the axle and remove it.

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步骤 19

Remove the key from the axle.

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步骤 20 Remove the driveshaft

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Remove the driveshaft: 步骤 20 中的图像 1，1

Use a 4 mm hex key to loosen the set screw securing the lock collar.
There should only be one set screw. If the collar isn't loose, check the second hole for set screws.

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步骤 21

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement: 步骤 21 中的图像 3，3

Use a screwdriver to pry and loosen the lock collar from the shaft.
Slide the lock collar off the shaft and remove it.

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步骤 22

Pull the driveshaft from the gear end and remove it.

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步骤 23 Remove the driveshaft bearings

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Remove the driveshaft bearings: 步骤 23 中的图像 1，3

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Remove the driveshaft bearings: 步骤 23 中的图像 2，3

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Remove the driveshaft bearings: 步骤 23 中的图像 3，3

Pull and remove the pulley-side bearing from its recess.
During reinstallation, lubricate the bearing with some machine oil and tap it into place with a mallet.

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步骤 24

Pull and remove the gear-side bearing from its recess.

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步骤 25 Reassembly tip

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Reassembly tip: 步骤 25 中的图像 1，2

Toro Cement Mixer 68009HD 2018 Driveshaft Bearings Replacement, Reassembly tip: 步骤 25 中的图像 2，2

To install the gear-side bearing:
Lubricate the bearing with some machine oil and set it in place.
Slide the driveshaft into the bearing and tap the gear with a mallet to press the bearing into place.