Cateye ergociser EC-5000 - Continuous and Increasing; MS-4: Replacing the V-Belt; MS-5: Replacing the Idler Set

Check Method of Causes
Explanation Figures
Repair Method
Cateye Ergociser EC-5000 Service Manual
25
Unusual Noise (Continuous and Increasing) (1)
T-8-1
Unusual Noise (Continuous and Increasing) (1)
T-8-1
Fig.1
V-belt
3~7mm
Note that checks stated in this section should be carried out on all
items.
<1> Noise is continuous and increasing.
1. Remove the frame cover.
(See [D-1: “Removing the Frame Covers.”])
2. Check if the idler has been worn out. (Fig. 1)
[Judgment]
ⓦ When the idler is worn out, you need to take actions as
specified in the repair method (a) described at the right.
3. Check if the V-belt has been worn out. (Fig. 2)
[Judgment]
ⓦ When the V-belt is worn out, you need to take actions as
specified in the repair method (a) described at the right.
4. Check if the accelerating chain has been excessively
tensioned. (Fig. 1)
A.Rotate the chain and find the most tensioned status of the
chain.
B.When the chain is correctly tensioned, the slagging should
be 3mm to 7mm under the most tensioned status of the
chain.
[Judgment]
ⓦ When the chain is excessively tensioned, you need to take
actions as specified in the repair method (c) described at
the right.
To be continued on the next page.
(a) Replace the idler set.
(See [MS-5: Replacing the Idler Set].)
(b) Replace the V-belt.
(See [MS-4: Replacing the V-Belt].)
(c) Adjust the tension of the chain.
(See [MS-2: Replacing the Accelerating Chain].)
Accelcrating Chain
Idler
Fig.2
Fig.3