Maintenance 249
7
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Disassembling and cleaning the tension unit
1To remove tension dial, turn dial
counterclockwise as shown on illustration.
1Tension dial
2Using the included cleaning brush, remove
any lint and dust from the two pieces of felt
washers (top, bottom) inside the tension
dial.
1Tension dial
2Nylon shoulder washer
3Nylon washer only for tension number 4
4Tension spring
5Tension base spring
6Felt washer (top)
7Tension disc
8Felt washer (bottom)
3Reassembling the tension unit.
Note
When reassembling the tension unit, be
sure not to install the tension disc upside-
down.
There is a magnet on the bottom.
1Magnet
When reassembling the tension unit, only
tension number 4 has one more part than
the other tension units.
1Felt washer (bottom)
2Tension disc (magnet on the bottom)
3Felt washer (top)
4Tension base spring
5Tension spring
6Nylon washer (only for tension number 4)
7Nylon shoulder washer
8Tension dial
When reassembling the tension unit, be
careful not to lose any parts or install any
parts in an incorrect order. The machine
may not operate correctly if the tension
units are incorrectly reassembled.
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