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104 72 79-26
Tension unit - Replacement of the Stepmotor 870
Dismantling
1. Remove back cover and front cover.
2. Remove the cable from its fastening points and the PC-board.
3. Lock the springloaded cog wheel (A) by putting a needle through its hole.
4. Remove the two torx 10 screws (B).
5. Remove the Stepmotor.
Mounting
1. Mount the stepmotor.
2. Mount the two torx 10 screws (B).
3. Remove the needle from the springloaded cog wheel (A).
4. Mount the cable to the PC-board and its fastening points.
5. Mount the front cover and back cover.
6. Check/Set upper threadtension in service menu.
A
B
B