Tascam DA-98HR Service Manual

Also see for DA-98HR: Setup guide Owner's manual

Tascam DA-98HR Service Manual Manual pdf 29 page image

293. Confirming the take-up torque of the take-up reel1) Read the torque value at the take-up reel (black) side,then confirm that the center value of the torque fluctua-tions falls within the following range:Standard value: 8 to 15 g.cmFluctuation value: 3 g.cm or less2) If the standard value is not satisfied, remove the torquecassette, replace the take-up reel table (black), and repeat1 to 4 until the values fall within the standard.Note)When reinstalling, be sure not to forget to reinstall the cutwasher.4. Confirming the REV take-up torque1) Press the SHUTTLE switch, then turn the SHUTTLEknob to the left. Read the torque value at the supply-reel(white) side, then confirm that the center value of thetorque fluctuations falls within the following range:Standard range: 18 to 28 g.cmFluctuation range: 3 g.cm or less2) If the standard value is not satisfied, remove the torquecassette, replace the supply-reel table (white), and repeat1 to 5 until the values fall within the standard.Note)When reinstalling, be sure not to forget to reinstall the cutwasher.3) Read the torque value at the take-up reel (black) side,then confirm that the center value of the torque fluctua-tions falls within the following range:Standard range: 8 to 25 g.cmFluctuation range: 3 g.cm or lessCautions when replacing the reel tableWhen removing the supply-reel table or take-up reel table, thedisk reflector (4-3 on page 51) beneath the reel table may alsobe disengaged as well.In such a case, see that the polyethylene slider washer (4-55on page 51) remains on the reel table shaft (mechanism chas-sis) without fail.If the disk reflector is affixed over the reel table shaft with thepolyethylene slider washer stuck on the backside of the diskreflector, the polyethylene slider washer may NOT fit over thereel table shaft but enter the mechanism chassis.4-5. Adjusting the tape travelWhen adjusting the height of each roller guide, be sure to slight-ly loosen the screws securing the guide beforehand.After adjustment is complete, tighten the screws using a torquedriver. Observe a tightening torque of 200 g.cm.Torque driver: 0.2 to 1.5 kg; parts No. 5772827800( Torque driver bit: M2 (+); parts No. 5772828000 )