C776i Stairclimber
Page 41
Procedure 7.8 - Replacing a Flanged Pulley
1.
There are four flanged pulleys, two on either side. Remove the left hand or right hand cover,
as required, per Procedure 7.1.
2.
Grasp the stairarm return spring and carefully remove it from its mounting peg. See Diagram
5.1.
3.
Support the stairarm and remove the stairarm belt from both flanged pulleys and the HTD
pulley. Lower the stairarm to its lowest position.
4.
Remove the flanged pulley mounting bolt. Remove the flanged pulley. See Diagrams 7.4
and 7.5.
Diagram 7.5 - Lower Flanged Pulley
5.
Set the replacement flanged pulley at its mounting position and fasten it with the bolt
removed in step 4. Torque the mounting bolt to 120 inch pounds.
6.
Wrap the stairarm belt over the HTD pulley, behind and under the upper flanged pulley.
Wrap the belt under an around the lower flanged pulley. Then lift the stairarm and hook the
return spring on its mounting peg. Check the belt to ensure there are no twists in the belt. If
there are remove the return spring from its mounting peg and rotate the return spring to
remove any twist. Hook the return spring on its mounting peg.
7.
Replace the left hand and right hand cover sections per Procedure 7.1.
Mounting
Bolt
Flanged
Pulley
Lower