S T A B I T U R N T A B L E
instruction manual
KAT d. o. o. Kuzma Audio Trade Hotemaže 17 a
4205 PREDDVOR
SLOVENIA tel. 386 4 2535450 fax 386 4 2535454
Page 1: ...S T A B I T U R N T A B L E instruction manual KAT d o o Kuzma Audio Trade Hotemaže 17 a 4205 PREDDVOR SLOVENIA tel 386 4 2535450 fax 386 4 2535454 ...
Page 2: ...MENT 17 1 Positioning Turntable and Power Supply 17 2 Connections 18 3 Levelling Turntable 18 4 Levelling Platter 18 5 Testing 18 6 Fine Speed Adjustment 20 V USE OF CLAMP 22 VI GENERAL MAINTAINANCE 23 1 Cleaning of Woodwork 23 2 Cleaning Pulley and Belt 23 3 Tightening Screws on Armboard 23 4 Check Oil in Bearing 24 VII MINOR PROBLEMS 25 A Immobile Subchassis 25 B Platter does not Rotate 25 C Noi...
Page 3: ...the bearing at five points ensuring no movement low constant friction and minimum vibration The shaft is fixed in the supplatter which is turned by a belt The motor is fixed on a metal plate decoupled from the turntable via rubber inserts The platter is of painted aluminium and weighs 3 Kg and has a rubber ring inserted for extra damping The turntable also comes equipped with a mat and a record cl...
Page 4: ...chassis 3 5 Hz Speeds 33 rpm and 45 rpm Mat special rubber textile compound Motor 24 pole synchronous 110 v 50 Hz Mains Supply 110 v 220 v 240 v 50 60 Hz ACCESSORIES The following are supplied with the turntable and will be found in the accessories box 1 Clamp with washer 2 Alan key 5 mm for tonearm board 3 Alan key 2 5 mm for fixing legs 4 One small plastic bottle with oil for bearing 5 One large...
Page 5: ..._________________________________________________________________ S T A B I T U R N T A B L E 5 KUZMA Fig 1 ...
Page 6: ...d cardboard layer 3 Remove glass protection cardboard layer 4 At side remove polystyrene inserts and remove platter in box 5 Remove internal u shaped cardboard containing turntable 6 Open lid and remove cardboard cross 7 On the underside of turntable between subchassis and plinth are four cardboard corner wedges which should be removed by pulling down Fig 2 8 Replace packing materials in box for p...
Page 7: ... of reservoir is a hole in the inner ring through which the thick silicon oil should be slowly poured squeezing the bottle until surface of the oil shows approximately 10 15 mm below the top edge of reservoir ie quarter of bottle Allow oil to settle and check level by pushing ring sideways with nozzle of bottle Fig 4a e Wipe clean any spillt oil f Wipe dust on top edge of surface of plinth g You w...
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Page 9: ... smooth movement f Lift out subplatter and check that level of oil on shaft reaches the top If level is lower add oil drops approximately one drop to increase level for one mm Oil should bathe shaft completely To check this see Fig 5 Fig 5 NOTE The shaft is not tight in bearing and will rock slightly if pressed 3 Belt This can be found with subplatter a Ensure hands are clean and dry and remove be...
Page 10: ...rewing black knobs clockwise Fig 6 d This is achieved by unscrewing anticlockwise two diagonal black knobs A on turntable top and then the other diagonal pair B This operation should be done in small gradual stages ie a few turns of one diagonal pair A then a few turns of the other pair B untill the level is slowly brought down to a suitable clearance Often however one part of platter is clearly h...
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Page 12: ...at the back of the turntable has a five pin plug which should be inserted into connector at rear of power supply Fig 8 b Connect mains cable into back of power supply Fig 9 NOTE You will see a thin black wire at back of turntable This is a grounding wire and will be connected to GND on preamplifier not on GND of MC step up device at a later stage ...
Page 13: ... is designed for use without power supply then connect cable to mains c Switch on to 33 rpm position Light should appear on turntable top plate Fig 10 OR Press black play switch Platter should slowly rotate and reach full speed in 5 6 seconds d There should be no noise from turntable If there is check that assembly instructions have been followed exactly paying particular attention to height of pl...
Page 14: ... see ii and iv above though this is not always necessary b Fix tonearm into arm base c The weight of the tonearm will have altered the height of the platter from the turntable top This should be readjusted using the four black knobs to regain the required height between platter and top plate of 2 3 mm Ensure that the height is even around the circumference of the platter Figs 6 and 7 NOTE Anticloc...
Page 15: ...nts the cable should be free and touch nothing The cable must be long enough to allow subchassis movement but not too long To check this replace leg on worktable so you can inspect the position of cable If necessary reposition with fingers vi If position is not satisfactory release cable at point B and lengthen or shorten as required vii Check subchassis movement by pressing spindle when platter s...
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Page 17: ...the protective cups on feet to expose the spikes for optimum performance or retain the cups Cups are removed by simply pulling downwards Ensure that rubber ring is not mislaid NOTE To replace cups first carefully place rubber ring around groove on spiked feet then push on cup one edge at a time The cup will be loose Fig 13 d When carrying turntable a tilt of up to 15 should not cause any oil spill...
Page 18: ...w placing level on left of platter Position B d Check that front of turntable is still horizontal and adjust if necessary e Check that side of turntable is still horizontal adjust as necessary until both measurements are stable NOTE If using round spirit level place at any point on turntable top plate f With Alan key 2 5 mm secure legs until firm but not overtightened See Fig 13 4 Levelling Platte...
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Page 20: ...d by a switch inside the power supply The speed is adjusted in small stages according to the position of the switches Adjustment is possible 0 4 in 0 05 steps You will need a plastic or wooden toothpick or stick ie not metal a Turn power supply upside down Fig 16 b Remove front right rubber leg ie on opposite side to speed selector This gives access to switch Fig 16 a ...
Page 21: ...d switch on to 33 rpm By observing disc any speed deviation can be noted but be aware of fluctuations in mains frequency d Consult table and according to speed error choose correct setting on switch by pushing from on to off position with toothpick This is largely a matter of trial and error Fig 17 e 45 rpm will automatically be corrected ...
Page 22: ... record on spindle 3 Gently screw clamp onto spindle while steadying platter and edge of record with fingers 4 Clamp should be tightened so that rim of record touches mat Continue tightening until rim of record starts to rise at which point release clamp slightly 5 With very bent records pay particular attention to highest point of rim With a little practise use of clamp soon becomes second nature...
Page 23: ...dampened in alcohol 2 Cleaning Pulley and Belt This should be done occasionally 6 months according to regularity of use a Remove platter to gain access to pulleys Remove belt Switch on turntable and using cotton bud moistened with alcohol clean grooves of motor pulley by pressing bud into groove as it rotates b Clean subplatter as above but rotate subplatter by hand c Moisten cloth with pure alcoh...
Page 24: ...ntinually top up bearing oil but it is advisable to chek oil level about once a year to ensure that oil reaches all supporting pads of the bearing Fig 19 When shaft is removed from bearing the level of oil should appear approximately 25 mm below top surface of bearing This can easily be measured using a clean toothpick If necessary top up oil Fig 5 and 2 f ...
Page 25: ...es not Rotate 1 Check mains Is red light showing on power supply 2 Is light showing on turntable If not check that cable is connected to power supply if so consult your dealer 3 Remove platter and check that belt is correctly positioned Also see if motor pulley is rotating clockwise 4 By hand rotate subplatter which should move easily If it does not then remove shaft and check bearing for dirt dep...
Page 26: ... first check that belt and pulley are clean and that there is adequate oil in the bearing If the problem persists it will be necessary to increase the distance between subplatter and motor pulley in order to increase the tension of the belt For this it is necessary to remove the subchassis to gain access to the motor We would advise you to consult your dealer for this or follow the procedure outli...
Page 27: ... should be loosened by holding bolt with pliers and unscrewing slightly with screwdriver or by using spanner M3 screw 8 Move motor outwards for 2 3 mm from previous position and retighten nuts and bolts 9 Return turntable to position over subchassis and rescrew black knobs 10 Lift subchassis by use of black knobs Return subplatter platter and belt Adjust platter to appropriate level Check start of...
Page 28: ...r blow providing it is rigidly supported If turntable seems sensitive to shock or feedback check the following 1 Check subchassis movement 2 Has oil been put in spring reservoirs NOTE The precise level of oil is not particularly critical 3 Very commonly the problem lies in improper securing of the tonearm cable ie too tight or too loose a loop 4 Is support unstable ie support which moves with low ...
Page 29: ... by screwing four black knobs clockwise though not too tightly and insert the four cardboard corner wedges between subchassis and frame 4 If necessary replace cups on spiked feet NOTE During transport turntable should not be moved more than 15 off the horizontal to prevent oil spillage although a momentary slant of 30 is permissable due to the viscosity of the oil used 5 If turntable is to be plac...
