Panasonic PV-4601 A Service Manual page 54

Fig. M4-2
2. Tighten 2 Screws with Washers (A) shown in Fig. M2-1 or Fig. M2-2.
3. Clean the Upper Cylinder with a deerskin swab (Head Cleaning Stick) saturated
with Ethanol.
Note:
Upon completion of replacement, perform "TAPE INTERCHANGEABILITY
ADJUSTMENT (FINAL ADJUSTMENT)," Page 2-9, especially "HORIZONTAL POSITION
ADJUSTMENT OF A/C HEAD," Page 2-11.
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