SCIFIT PRO2 User Manual download pdf (Page 10)

10

Mechanical Troubleshooting Table (cont.)

Problem Possible Reasons Solutions

Hand crank or foot

crank assembly has

side-to-side play.

Cotter pin through the inner

hub is not tight enough.

Snap ring is not in snap ring

groove on axle.

Tighten or replace cotter pin.

Install snap ring back into

snap ring groove.

Cranks lock up while

operating.

Chain is too loose or out of

alignment.

Brake bearings are bad.

Brake drive pulley bearings

are bad.

Upper axle bearings are

bad.

Tension or align the chains.

Replace brake assembly.

Replace bearings or brake

drive pulley assembly.

Replace upper axle bearings.

Grinding, rubbing, or

scraping noise while

rotating cranks.

Belt is rubbing against the

brake.

Brake bearings are bad.

Bearings in brake drive

pulley assembly are bad.

Realign belt.

Replace brake assembly

Replace bearings or brake

drive pulley assembly.

Internal squealing noise

occurs when cranks are

rotated but not when

freewheeling.

Igus bearings in the idler

are worn out.

Upper axle bearings are

bad.

Lower axle bearings are

bad.

Replace Igus bearings in the

idler or idler assembly.

Replace upper axle bearings.

Replace lower axle bearings.

Internal squealing noise

occurs when cranks are

rotated, as well as when

unit is freewheeling.

Belt is out of alignment.

Belt is over-tensioned.

Brake bearings are bad.

Brake drive pulley assembly

bearings are bad.

Realign belt.

Re-tension belt.

Replace brake.

Replace bearings or brake

drive hub assembly.

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