NOTE: Steps 2 - 5 are for replacing a belt that connects from a cam or frame sandwich
clamp to another cam or frame sandwich clamp.
2 A. Review the belt routing and clamping diagrams for the machine you are working on.
These diagrams can be found on the appropriate Parts List (and service diagrams)
located at the end of this chapter.
B. Place screws through outside and
center clamps. Loosely tighten screws
into frame about two turns. See the
Sandwich Connection (Frame) diagram
at right.
C. Slide belt between frame and center
clamps.
D. Fold belt around center clamp and
slide belt between the center and out
side clamps.
E. Pull belt tight against the radius,
leaving 1 to 2 inches of belt beyond the
clamp.
F. Center the belt between the clamp
screws. An exception to this is when a
pulley is located close to a clamp, then
the belt may be off centered. The belt
must be in a straight line with the
pulley or cam. See Belt and Clamp
Alignment diagram at right.
G. Tighten screws (alternate until each screw
is tight) so that the clamps are parallel with each other. The gap (A) shown in the Belt
and Clamp Alignment diagram, should be the same distance at each end of the clamp.
Likewise, gap (B) should be the same distance at each end of the clamp. NOTE: The
torque specification for tightening each screw is 400 inch
pounds.
3. Route the belt as shown in the
appropriate belt routing diagram (located
at the end of this chapter). NOTE: Be sure
belt is routed on out side edge of pin as
shown in the Routing Belt diagram at
right.
4. Clamp other end of belt as described in
step 2. For proper belt tension, refer to
the belt clamping diagram (see step 2A).
5. Lift top weight up and down and verify that the belt lies flat and that it is not riding
up on the pulley flange.
Cybex VR2 Owner’s Manual
Routing Belt
Service
Page 7-4
Belt and Clamp Alignment
Sandwich Connection (Frame)
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