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1. the middle hole over the turntable spindle and press the center of the mat lightly onto the sealing disc 4 Lift one side of the disc contact mat from the rim of the turntable platter and peel off the half of the outer paper ring underneath Press and stroke this section of the mat outwards to bond it to the platter without trapping air pockets in between Figure 2 5 Peel off the second half of the outer ring from the other side of the mat and bond this section to the platter in the same manner as in step 4 Figure 1 Figure 2 Installation of the disc contact Mat on TD 104 105 and Other Turntables The disc contact vacuum record clamp may be used not only on THORENS turntables but also on many other units It is necessary only that the surface of the turntable be completely flat between the rim and the spindle when the rubber mat is removed Holes and grooves in the platter are permissible 1 Remove the mat from the turntable platter and clean the entire surface of the platter with denatured alcohol 2 Peel off the two inner protective rings for the TD 104 105 only the innermost ring from the underside of the disc contact mat to expose the adhesive surface 3 Holding the mat at the outer edge position the middle hole over the turntable spindle and press the center of the mat onto the middle of the platter Figure 3 Press and stroke the mat outwards to bond it to the platter without trapping air pockets in b2. THORENS INSTRUCTION MANUAL disc contact Vacuum Record Clamp The disc contact vacuum record clamp consists of a special disc contact mat T asealing disc avacuum puck 3 a vacuum pump with connecting tube and coupling 4 Included as accessories are a clamp 5 for holding the tube when not in use and self adhesive sealing foil for damaged record labels By employing reduced air pressure the clamp presses the record firmly onto the turntable mat Distortion and tonal colorations are thereby effectively prevented especially with thin or warped records The advantage of the technique employed is that the platter bearing and spindle are not subjected to reduced air pressure during record play Therefore vacuum seals which could impair rumble and wow and flutter perfor mance are not required Installation of the disc contact Mat on THORENS Turn tables except TD 104 105 and TD 524 To permit the rubber drive belt to be exchanged as required the disc contact mat is bonded only to the outer turntable platter 1 Remove the standard turntable mat from the turntable platter Clean the surface of the outer platter with denatured alcohol 2 Press the sealing disc with the flat side facing upwards onto the turntable spindle Clean the surface of the disc with denatured alcohol 3 Peel off the inner protective paper ring from the underside of the disc contact mat to expose the adhesive surface Position
3. etween 4 Lift one side of the disc contact mat from the rim of the turntable platter and peel off the half of the paper ring underneath Press and stroke this section of the mat outwards taking care not to stretch it 5 Repeat step 4 for the other half of the mat Installation and Connection of the Vacuum Pump The pump should be installed near the turntable so that the vacuum puck at the middle of the platter may be easily reached with the vacuum tube A location to the left of the turntable is the most suitable since the tube will not interfere with the tone arm After the pump has been connected to the electrical mains the disc contact is ready for use In order to mount the holding clamp for the vacuum tube and coupling peel off the protective foil and press the clamp onto either the left hand side of the turntable base or another easily accessible location WARNING To prevent fire or shock hazard do not expose this appliance to rain or moisture Figure 3 Operating the disc contact After laying a record onto the turntable position the vacuum puck at the center of the record and push down over the spindle Turn on the vacuum pump with the power cord switch Press the vacuum coupling over the rubber seal on the top of the puck Figure 4 The air will be pumped out from between the disc contact mat and the record This process takes about 15 seconds and is completed when the sound of the pump changes
4. noticeably Switch off the pump disconnect the vacuum coupling and snap the vacuum tube into the holding clamp After record play has been completed pull up the valve pin at the center of the vacuum puck This releases the vacuum enabling the puck and record to be removed normally Special Instructions Always keep the disc contact mat particularly the sealing lip at the rim free from dust and dirt The sealing ring of the vacuum puck should likewise be kept clean If the record fits too tightly around the turntable spindle the air between the record and the disc contact mat cannot be pumped out To alleviate this problem cut a small groove into the side of the record hole with a small scissors blade a file or other suitable tool If the label of a record is damaged the self adhesive sealing foil provided may be pulled away and pressed onto the label Additional precut sealing foil may be ordered from your THORENS dealer or directly from THORENS under the catalog number 4 277 002 Figure 4 THORENS Factory Warranty We warrant that we shall replace free of charge every defective part of this unit or repair it free of charge in our factory in one of our authorized service stations should a defect occur within the period of warranty The warranty period is one year from the date of the original purchase The above warranty is valid only if the enclosed warranty card duly filled out be returned within 10 days after p
5. urchase to the THORENS General Representative in your country his address will be provided by your dealer Should a defect appear within the warranty period please contact your THORENS General Representative describing completely the defective operation and quoting the Model and Serial Number of your unit Defective parts which are user replaceable will be sent to you by mail Otherwise you will be given the address of the service station nearest you or be requested to ship the unit directly to the representative In the latter case please pack the unit using the original packing materials Shipping costs must be prepaid Any damage caused by failure to observe the instructions contained in this manual as well as damages incurred in transport or shipping are not covered by this warranty This warranty will be invalidated by repairs or modifications made by anyone other than THORENS authorized service personnel NB Please observe possible complementary warranty conditions issued by our authorized general THORENS Schweiz THORENS FRANZ AG Hardstrasse 41 CH 5430 Wettingen Telefon 056 262861 Telex 53682 Deutschland THORENS Geratewerk Lahr GmbH D 7630 Lahr Postfach 1560 Telefon 07821 7025 Telex 0754946 Printed in West Germany Verlag Technische Dokumentation Lahr GmbH 8 Co KG Druck Ugi Lahr 8307
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