Kushlan Cement Mixer 600DDS 2014 Drivetrain Replacement

Geschrieben von: Sam Omiotek

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Kushlan Cement Mixer 600DDS 2014 Drivetrain Replacement

Schwierigkeitsgrad

Moderate

Schritte

Zeitaufwand

1 - 2 Stunden

Einleitung

Follow this guide to replace the drivetrain on a 2014 Kushlan cement mixer model 600DDS.

This repair requires two people to complete.

The gearbox will need to be refilled with 8oz of 75W90 gear oil (see operator’s manual).

Properly dispose of used gear oil at a certified collection center.

Werkzeuge

Ersatzteile

Schritt 1

Before you begin, ensure the power cord is unplugged and the power switch is in the OFF position.
Use a 13 mm socket to remove the two bolts securing the motor cover to the frame.

Schritt 2

Remove the motor cover.

Schritt 3

Use a 13 mm socket to remove the four bolts securing the motor cage to the frame.

Schritt 4

Remove the motor cage.

Schritt 5

Use a 19 mm socket to remove the 70 mm-long bolt securing the drum to the output shaft.

Schritt 6

Lift the drum straight off of the output shaft and set it aside.
Two people may be required depending on the weight of the drum.

Schritt 7

Have a second person hold the gearbox and motor assembly while you remove the nuts to prevent it from dropping.
Use a 10 mm socket to remove the four nuts securing the gearbox to the frame.

Schritt 8

Remove the gearbox and motor assembly from the frame.

Schritt 9

Use a 5 mm hex key to remove the drain plug.
Do not tilt the opening down until over a receptacle.

Schritt 10

Drain the gear oil into a receptacle.
Refill with 8oz of 75W90 gear oil. See the operator's manual.

Schritt 11

Use a Phillips screwdriver to remove the four screws securing the fan cover to the motor.

Schritt 12

Remove the fan cover.

Schritt 13

Use a 8 mm socket to remove the four 135 mm-long bolts securing the motor to the gearbox.

Schritt 14

Pull the gearbox straight off of the motor.

Schritt 15

Remove the space washer and stop ring from the gearbox case.

Schritt 16

Use a 10 mm socket to remove the following nuts and bolts from the gearbox case:
Five nuts
One 40 mm-long bolt

Schritt 17

Separate the two halves of the gearbox case.

Schritt 18

Remove the gearbox gasket.
During reassembly, replace the gasket if it is damaged or worn.

Schritt 19

Use a universal pulley to remove the bearing from the output shaft.

Schritt 20

Use a universal pulley to remove the bearing from the top of the pinion gear.

Schritt 21

Use a pair of pry bars to break the gear and output shaft loose from the gearbox.
Once loose, remove the gear and output shaft by hand.

Schritt 22

Use a pair of pry bars to break the second gear and pinion gear loose from the gearbox case.
Once loose, remove the gear and pinion gear by hand.
Before reassembly, wipe out as much of the old grease as possible and add plenty of new grease to each new component as you install them.

Schritt 23

There may be one or both bearings left in the gearbox case. Follow these steps to remove any remaining bearings:
A torch is necessary. Wear protective eyewear and heat resistant gloves. Move to a well ventilated area away from anything flammable.
Use a torch to heat the outside of the casing near the bearings.
The bearings may fall out on their own as the casing expands.
Tap the outside of the gearbox case with a hammer to knock the bearings out.
If the bearings don't fall out, reheat the casing and try again. If they remain stuck, flip over the gearbox case and use a flathead screwdriver to pry the bearings out.