Part Replacement

STAR TRAC FITNESS 1 of 5 637-1516 Rev: A

Clutch Assembly Shaft

TreadClimber®

Parts Required:

• Clutch Assembly Shaft (PN: 717-0051)

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

STAR TRAC FITNESS 2 of 5 637-1516 Rev: A

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

STAR TRAC FITNESS 3 of 5 637-1516 Rev: A

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

STAR TRAC FITNESS 4 of 5 637-1516 Rev: A

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 out through the belts.

Fig. 8

Part Replacement

STAR TRAC FITNESS 5 of 5 637-1516 Rev: A

9. To reinstall the new clutch assembly shaft; reverse all the previous instructions.

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

Alternator Belt

Deflection Value:

90° Twist @ Center of Tangents

Timing Tension Cable Value:

Torque bolt @ pulley swivel until timing

belts do not skip teeth on clutches.

Timing Belts

Value:

Tension Controlled by Cable

Trans. To Alternator

Belt Deflection Value:

(3.6 ± .3 mm) or (0.141 ± .012 in)

Clutch Shaft to Trans.

Belt Deflection Value:

(4-5 mm) or (0.157-0.197 in)

Socket Head

Cap Bolt

Fig. 9

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