Part Replacement

STAIRMASTER 1 of 5 637-1530 Rev: B

Alternator Belts

TreadClimber®

Parts Required:

• 6 Rib Belt – PN: 130-1797

• 9 Rib Belt – PN: 130-1796

• 12 Rib Belt – PN: 130-1795

Tools Required:

• Metric Hex Key Wrench Set

• Screwdriver Set or Specific Drivers o Flat Head Screwdriver o Phillips Head Screwdriver # 2

• 12” Straight Edge

• Tape Measure, Caliper, Ruler, or Other Measuring Device

Instructions:

1. Turn power off at the base of the machine.

Fig. 1

Part Replacement

STAIRMASTER 2 of 5 637-1530 Rev: B

2. Remove all the shrouds referenced (Fig. 2) to expose the internal workings of the machine.

Fig. 2

3. Remove tension from the rear cable tensioning system (Fig. 3) to loosen stress from the timing belts by extracting

the thimble and socket head cap bolt from the swivel pulley bracket assembly.

Fig. 3

Part Replacement

STAIRMASTER 3 of 5 637-1530 Rev: B

4. Loosen the alternator tension positioning socket head bolt (Fig. 4).

Fig. 4

5. Remove the tensioning washer and socket head cap bolts (Fig. 5) from the brackets that guide the transmission shaft assembly.

Fig. 5

Part Replacement

STAIRMASTER 4 of 5 637-1530 Rev: B

6. Push the transmission shaft off the mounting brackets.

Fig. 7

7. Remove the socket head cap bolts securing the clutch shaft pillow blocks to the left (Fig. 5) and right (Fig. 6) side

of the frame.

8. Lift the clutch assembly shaft upwards and maneuver the belts requiring replacement off the shaft.

Fig. 8

Part Replacement

STAIRMASTER 5 of 5 637-1530 Rev: B

9. To reinstall the new belts; reverse all the previous instructions.

10. Stress all the following belts & cables (Fig. 9) to proper tensions.

Fig. 9

11. Power on the unit to process a speed calibration and test after to complete the reinstallation procedure.