![background image](http://html1.mh-extra.com/html/elna/9900-leaflet/9900-leaflet_service-manual_2395006050.webp)
49
elna 9900
3mm
Adjusting the Motor Belt Tension
1. Remove the spool stand, static head right cover, right
cover and left cover (see pages 4 – 6).
2. Place a scale under the stud bolt. 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 3 mm.
3. If the belt tension is too tight or loose, slightly loosen
3 setscrews and move the motor in the direction of
the arrow to adjust the belt tension.
Tighten the 3 setscrews securely and check the tension
again.
4. Attach the parts removed in step 1.
Motor belt
Push-pull gauge
Motor
Setscrews
Stud bolt
Summary of Contents for 9900 - LEAFLET
Page 1: ...SERVICE MANUAL 9900 ...