Adjusting The Timing Belt Tnsion - ELNA eXpressive 970 Service Manual

Push-pull gauge
5mm
CPU board
Setscrews (B)
Adjusting the Timing Belt Tension
Timing belt
Setscrews (A)
Idler
1. Remove the spool stand, static head right cover and
left cover (see pages 4 – 6).
2. Place a scale on the DC motor. Set the push-pull
gauge in line with the scale as illustrated and push
the timing belt. The gauge should read 300 grams
when the belt deflect 5 mm.
3. If the belt tension is too tight or loose, remove the
three setscrews (A) and CPU board, then slightly
loosen the two setscrews (B) and move the idler in
the direction of the arrow to adjust the belt tension.
Tighten the tow setscrews (B) securely and check the
tension again.
4. Attach the parts removed in step 1.
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