Cateye EC-3700, EC-3600 service manual MS-9Replacing the BB Set

Applicable Models: EC-1200 EC-1600 EC-3600 EC-3700

MS-9Replacing the BB Set

àREMOVAL

1.Remove the frame cover, by referring to the Sections D-1 & D- 2 "Removing the Frame Covers."

2.Remove the gear crank/crank from the crank shaft(BB axle), by referring to the Section MS-8 "Replacing the Crank Set."

3.Remove the BB cup locking with a hanger rotating jig. (Fig. 1)

4.Remove the BB adjusting cup, by using a pin face wrench. (Fig. 2)

5.Remove the crank shaft(BB axle).

6.Remove the BB fixing cup, by using the hanger rotating jig. (Fig. 3) The CDC sensor metal base will be removed at the same time.

àASSEMBLING

BB Set

EC-1200 & EC-1600

BB Set

EC-3600 & EC-3700

1.	Check if no retainer remains within the hanger, and mount the
	BB fixing cup. Be sure that the CDC sensor metal base should
	first be mounted before mounting the BB fixing cup.
2.	Assemble the crank shaft(BB axle), retainer, BB fixing cup, BB
	adjusting cup, BB cup locking and CDC sensor metal base as
	depicted in Fig. 4.
3.	Mount the gear crank/crank, by referring to Mounting Items (1)
	thru (5), Section-MS-8 "Replacing the Crank Set." Also, adjust
	the tension of the chain.
4.	Adjust the following:
	1. Align the line on the CDC sensor with the center of the line
	on the magnet. (Fig. 5)
	2. Adjust the clearance between the CDC sensor surface and

Hanger Rotating

Jig

BB cup locking

BB adjusting cup

Pin Face Wrench

Hanger Rotating

Jig

BB fixing cup

CDC Sensor Metal

Base

the magnet surface to be approx. 2mm. (Fig. 6)

* When the specified clearance has not been established,

Fig. 1 Fig. 2

Fig. 3

-9Replacing the BB Set

	bend the metal base to have the clearance.
5.	Provisionally turn on the power, and check if the pedal
	cadence is displayed on the control unit.
6.	Assemble the frame cover, by referring to the Sections D-1 &
	D-2 "Removing the Frame Covers."

CDC Sensor Metal Base

BB fixing cup

Retainer

Crank Shaft (BB axle)

Retainer

BB adjusting cup

Hanger Pipe

BB cup locking

CDC Magnet

Line

Center

CDC Sensor

Approx. 2mm Clearance between CDC Sensor and Magnet

CDC	CDC
	Magnet
Sensor

Line Center

MS

Fig. 4

Fig. 5

Fig. 6

Cateye Ergociser Series 1000 Service Manual

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