5 stars on this manual since it is the complete version, not the half manual you find free for download all over the web. Good job.
Text excerpt from page 66 (click to view)
DECK MECHANISM ADJUSTMENT
5. Audio/Control (A/C) Head Adjustment
Purpose: To insure that the Tape passes accurately over the Audio and Control Tracks in exact Alignment in both the Record and Playback Modes.
5-1. Preliminary Adjustment (Height and Tilt Adjustment) Perform the Preliminary Adjustment, when there is no Audio Output Signal with the Alignment Tape. Test Equipment/ Fixture
â¢ Blank Tape â¢ Screw Driver(+) Type 5mm
Test Conditions (Mechanism Condition)
â¢ Play the blank tape
1) Initially adjust the Base Assembly A/C Head as shown Fig. C-5-1 by using the Height Adjustment Screw(B). 2) Play a Blank Tape and observe if the Tape passes accurately over the A/C Head without Tape Curling or Folding. 3) If Folding or Curling is occured then adjust the Tilt Adjustment Screw(C) while the Tape is running to resemble Fig. C-5-3. 4) Reconfirm the Tape Path after Playback about 4~5 seconds.
Ideal A/C head height occurs, when the tape runs between 0.2~0.25mm above the bottom edge of the A/C head core.