MTD 700 Series Professional Shop Manual page 54

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700 Series Lawn Tractor
2. Examine the re-enforcement bracket between the
cobra arm and pedal shaft for damage and replace if
necessary. See Figure 5.28.
2a. Disconnect the cobra-head rod from the pedal
shaft tie plate.
2b. Slip the tie plate off of the cobra head rod.
2c. Push the hex bushing out of the big end of the
pedal shaft tie plate.
2d. The hex bushing can be snapped-off of the
brake pedal shaft.
3. Inspect the pedal shaft components individually.
Replace any parts that are worn or damaged.
• The plastic bushings that fit between the two
pedal shafts should be replaced any time they
are removed. Lubricate them with a dry PTFE or graphite-based lubricant on assembly. NOT grease.
• Replace the push cap and all removed cotter pins with new parts.
4. Install the pedal shaft assembly by reversing the steps used to remove it, then install the fenders.
NOTE: Lubricate the point where the right support bracket meets the pedal shaft with a good quality lithium-
based grease.
NOTE: It will be easier to install the brake rod spring through the brake actuator arm as you assemble the
pedal rods to the frame.
4a. Torque the hex screws during assembly to 150-180 inch pounds. (17-20 N-m)
4b. Check the adjustment of the double idler pulley control rod
4c. Attach the brake pedal return spring.
5. Test the drive system and all safety features before returning the tractor to service.
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Re-enforcement bracket
Hex bushing
Figure 5.28
Cobra head arm