In this Pro Tip Guide you'll learn how to remove the G-Series Bobcat® heater blower motor in your skid steer loader. A faulty blower motor stops your Bobcat®'s heating system in its tracks, leaving little to be desired during sub-zero weather. Even though its one of the more pocket book friendly parts of the heating system, it can quickly turn into a much larger expense if taken to a dealer for replacement. So to keep things budget friendly, here's a complete step by step guide on the Bobcat® heater blower motor removal and install.

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Estimated Installation Time : 2 Hrs.  (approximate time only; actual time may vary.)

Needed for Removal & Installation:

• 1/4" wrench
• 1/2" socket
• 8mm socket
• Phillips screw driver
• 2 X 4 (optional)
• Needle nose pliers
• Bobcat® Blower Motor Replacement
  

Removing the Heater Unit from the Cab :

Step 1

First raise the lift arms of the machine and install an approved lift arm support device. Then raise the cab of the loader, locking it in place with the cab shock lock.

Step 2

Next, at the rear of the cab remove the circle access cover located on the side of the cab to disconnect the heater valve, blower fan, and thermostat connector from the loaders wiring harness. ( Figure 1 ) [ Item 1, 2, & 3 ]

Step 3

Remove all four of the heater unit's mounting nuts as show by using a 1/2" socket. ( Figure 2 & 3 ) [ Item 1 ] With the heater and A/C hoses still connected, remove the heater unit from the cab and lower it onto the fenders of the loader supported by 2 X 4's. ( Figure 4 )

Removing the Blower Motor Assembly from the Heater Unit :

Step 4

Using the phillips screw driver, remove the screws holding the heater unit cover and remove the cover. ( Figure 5 ) [ Item 1 ]

Step 5

Un-bolt the two flange mount bolts on each side of the unit using an 8mm wrench ( Figure 6 & 7 ) [ Item 1 ] and remove the flange and attached foam. ( Figure 8 ) [ Item 1 ]

Step 6

Remove the blower motor wiring harness and grommet from the unit. Depending on what style of housing your machine has, there may be one more plastic bracket with a 1/4" bolt holding the blower motor wiring harness to the side of the heater unit.

Step 7

Remove the three mounting bolts from the blower motor housing by using a phillips screw driver ( Figure 9 ) [ Item 1 ] and remove the blower motor housing from the heater unit.

Removing the Motor and Blower Wheels from the Blower Motor Assembly :

Step 8

Remove the eight phillips mount screws from the blower wheel covers and remove covers. ( Figure 10 ) [ Item 1 ] Remove the blower motor mount bolts to allow the motor to be removed from the housing. ( Figure 10 ) [ Item 2 ] & ( Figure 11 ) [ Item 2 ] Depending on the model of machine, this will either be four mounting bolts with a bracket or two mounting bolts with a resistor built into the bracket. Both can be removed by using the same steps. Check the blower motor housing for wear and replace as needed. ( Figure 11 ) [ Item 1 ]

Removing the Blower Motor Wheels :

Step 9

Remove the outside rings and blower wheel covers from the blower motor and blower wheels. Inspect the end rings and blower wheel covers for wear and replace as needed. ( Figure 12 & 13 ) [ Item 1 & 2 ]

Step 10

To remove the blower motor wheels from the motor, first remove the outside blower wheel clamp from the blower wheel with needle nose pliers. ( Figure 14 & 15 ) [ Item 1 ] 

Step 11

Next remove the inside blower wheel clamp from the blower wheel using needle nose pliers ( Figure 16 ) [ Item 1 ] and remove the blower wheel. ( Figure 17 ) [ Item 1 ] Be sure to keep track of what direction the inside ring cab off as they are directional. ( Figure 17 ) [ Item 2 ]

To install the new Bobcat® heater blower motor, follow the the dissembly instructions starting from step 11 and work your way backwards through the steps. Need help removing or installing the blower motor on your Bobcat® skid steer? Contact  AllSkidsteers® Tech Support Team ►

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