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12

EN

 16.  SPARE PARTS / EXPLODED VIEW

 15.  TROUBLESHOOTING

CODE

DESCRIPTION

CODE

DESCRIPTION

CODE

DESCRIPTION

CODE

DESCRIPTION

12SHSS

8 SIDE BLADE Ø 120 mm, IN H.S.S. 
STEEL

GRT12M28 COMPENSATION RING

SW121600 MOTOR BEARING L12

SW127501 ADJUSTING DEVICE FIXING DOWEL

GMT1200

COMPLETE MOTOR GRT12, 3-ph 380 
V 50 Hz

GRT12M29 FASTENING NUT

SW1238S

LEFT STEEL STRUCTURE

SW127502 WASHER

GMT12480

COMPLETE MOTOR GRT12, 3-ph 480 
V 60 Hz

GRT27

FLAME RETARDANT FEEDING CABLE

SW123900 STRUCTURE FIXING SCREW

SW127600 CLOSING CAP

GMT1260

COMPLETE MOTOR GRT12, 3-ph 380 
V 60 Hz

GRT8615

SPACER

SW124000 STRUCTURE SUPPORT SCREW

SW128600 MEDIUM GRAIN EMERY Ø 30x10x6

GRT121300 COMPLETE ROTOR

GRT8616

DOWEL FASTENING THE FAN

SW124101 REAR GUARD FIXING SCREW 3x10 MA  SW1286CPL COMPLETE EMERY UNIT

GRT121801 WORM SCREW

SW1076S

SPRING WITH DOWEL

SW1241S

REAR PROTECTION GUARD

SW1290MS LEFT BASE WITH BEVEL  Monster

GRT121801C

PL

COMPLETE PAIR OF GEARS 

SW107900

SCREW FOR THE COUNTERBLADE 
HOLDER FIXING

SW1241SCPL REAR PROTECTION SET

SW1290SMC

PL

COMPLETE LEFT BASE WITH BEVEL 
Monster

GRT126201 GEAR BEVEL

SW1080S

COUNTERBLADE HOLDER

SW1244S

FRONT PROTECTION GUARD

T 101801

ELASTIC PIN

GRT12M17 MOTOR FRAME FIXING SCREW

SW1081S

HARD METAL COUNTERBLADE

SW1244SCPL FRONT PROTECTION SET

T 104700

GREASER CAP

GRT12M18 MOTOR COVER

SW108200 COUNTERBLADE FIXING SCREW

SW1255MS

COMPLETE LEFT MOTOR SUPPORT 
Monster

T 104800

GREASER

GRT12M19 MOTOR FAN

SW108700 SHARPENER PIN

SW125600 SUBBLADE RING

T 105200

MOTOR SUPPORT FIXING BOLT

GRT12M21 UPPER MOTOR COVER

SW108800 EMERY SPRING Ø 11 mm

SW126101 BLADE GUIDE PIN 

T 105300

WASHER

GRT12M22 MOTOR COVER FIXING SCREW

SW108900 SHARPENER BUSH

SW126102 REFERENCE PIN

T 105400

ANTI-FRICTION BUSH

GRT12M24 COMPLETE MOTOR FRAME

SW109000 EMERY SPRING Ø 6 mm

SW126103 GEAR RING FIXING SCREWS 2,5MA

T 107500

BLADE ASSEMBLING/DISASSEMBLING 
WRENCH

GRT12M25 COMPLETE TERMINAL BOARD

SW109100 SHARPENER CAP WITH BEARING

SW126300 BLADE FIXING RING NUT

T 107600

DRIFT LOCKING THE BLADE

GRT12M26 LOWER MOTOR FLANGE

SW109200 SCREW FOR SHARPENER CAP FIXING

SW127201 BEARING R6 GEARS 

T 107900

LUBRICATING GREASE

GRT12M27 UPPER MOTOR BEARING

SW109300 WASHER

SW127500 GEAR BEARING ADJUSTING DEVICE

T864500

FRONT GUARD FIXING SCREW

T864600

WASHER

 

SOLUTION

Check that the blade and the counterblade are touching each other
Check the kind of fabric
Sharpen the blade
Check the fabric thickness
Check the compatibility between blade and fabric
Make sure that the motor turns correctly
Reduce the feeding speed
Check the counterblade integrity
Carry out the lubrication
Disassemble the blade and remove the material residues
Check the wear of the pair of gears
Check the electric connections on the O.E.M. unit
Check the electric connections
Check the feeding cable

 

PROBLEM

The cutting unit is noisy

The fabric is not cut or it gets stuck between 

the blade and the counterblade

The cutting unit starts slowly, works 

intermittently or it does not start

Summary of Contents for GRT12SM

Page 1: ...use manual GRT12SM THREE PHASE CUTTING UNIT ...

Page 2: ... by Luigi Spinelli For more than sixty years it has been producing automatic cutting systems cutting units for textile applications and electric and pneumatic cutters Initially considered as a point of reference for cutting systems in the textile applications the Rasor products are nowadays widely used in other fields chemical automotive nautical and sport sectors and in furniture manufacturing Ra...

Page 3: ...ull the feeding cable of the machine It must never be replaced by the user If necessary contact professionally qualified staff KEEP THE WORKING AREA ALWAYS IN ORDER The workplace must always be kept in order and well lightened liquids or oil traces must not be present ALWAYS USE CUTTING UNITS GRT12SM PROPERLY Use the cutting units only to carry out the works they have been designed for do not use ...

Page 4: ...ot work in case of rain In case of damage or malfunction cutting unit GRT12SM must not be used until the Customer Care Technical Service has repaired it The original configuration of the cutting unit must not be changed at all On receiving the machine make sure the supply corresponds to what has been ordered In case of non compliance immediately inform Rasor Also make sure the cutting unit has not...

Page 5: ...t not be removed at all even if the machine is resold Always refer to the serial number written on the plate itself when contacting the manufacturer Several safety warnings are printed on a card which is applied to the cutting unit feeding cable such warnings must be strictly followed by everyone dealing with the machine The company is not to be held responsible for damage to property or accidents...

Page 6: ...internal parts of cars and ships glass and carbon fibres The three phase motor with extremely compact dimensions and extreme reliability with 120 mm diameter blades guarantees cuts with thickness up to 5 cm A sharpener assembled on the cutting unit head allows whetting the blade at any moment without disassembling it After carrying out this operation it is possible to start cutting again A high po...

Page 7: ...is forbidden to use cutting unit GRT12SM for purposes different from the above mentioned ones 5 TECHNICAL FEATURES The technical data are only indicative and they can be changed without notice 120 mm with hard metal counterblade 400 rev min about 50 mm Three phase Asynchronous 180 W IP65 CL F 0 52 A 4550 g 5500 g 1 5 mt LUX 200 2 5 m s 2 0 55 C 10 95 without condensate Working temperature Working ...

Page 8: ...on that their original structure is not modified Otherwise the intervention must be certified by Rasor Firstly make sure that the lines are able to supply the cutting unit with power correctly in compliance with the safety rules for the feature required see par 5 We suggest installing a magnetothermic safety device before the cutting unit and check that the ground circuit is effective Before worki...

Page 9: ...bile protection according to the thickness of the material to be cut 6 Carry out the cutting operation NOTE Cutting unit GRT12SM can work in a fixed position the material has to be moved or it can move forward while the material is kept in the same position Make sure the material to be cut is properly stretched preventing it from curling 4 WARNING Never use the two bolts which fix the motor to the...

Page 10: ...t never be dirty with grease or oil 9 WARNING A 12 BLADE SHARPENING After many hours of a continuative use of the cutting unit or if it would not be able to cut anymore it is necessary to sharp the blade To carry out this operation start the blade and press sharpener 2 located on it for 3 4 seconds by pressing push button 1 as shown in picture 7 Repeat the operation 2 3 times If the sharpening ope...

Page 11: ...the manufacturer as shown in picture 12 Remove the movable front safety protection B see picture 11 by unscrewing pin D and the washer E as shown in picture 12 3 Insert drift 3 see picture 10 into hole F so as to lock the blade the hole on the blade must correspond to the one on the structure 4 Use butterfly wrench 1 to unscrew nut G and remove blade H see picture 13 5 Replace the worn blade with ...

Page 12: ...RT Monster T 104800 GREASER GRT12M19 MOTOR FAN SW108700 SHARPENER PIN SW125600 SUBBLADE RING T 105200 MOTOR SUPPORT FIXING BOLT GRT12M21 UPPER MOTOR COVER SW108800 EMERY SPRING Ø 11 mm SW126101 BLADE GUIDE PIN T 105300 WASHER GRT12M22 MOTOR COVER FIXING SCREW SW108900 SHARPENER BUSH SW126102 REFERENCE PIN T 105400 ANTI FRICTION BUSH GRT12M24 COMPLETE MOTOR FRAME SW109000 EMERY SPRING Ø 6 mm SW1261...

Page 13: ...200 SW109300 SW124101 SW124000 T 105200 T 105300 SW108200 SW127502 SW127600 SW127500 SW127501 SW127201 T104700 T104800 SW1076S SW107900 SW126300 SW126102 SW127201 SW126101 12SHSS SW126103 GRT126201 GRT121300 dal 1946 T 107500 T 107900 T 107600 GMT 1200 3 PH 380V 50Hz GMT 1260 3 PH 380V 60Hz GMT 12480 3 PH 480V 60Hz GRT8615 GRT12M22 GRT12M18 GRT12M27 GRT12M19 GRT8616 SW121600 GRT12M17 GRT12M21 GRT1...

Page 14: ...anty does not include failure caused by wrong use or assembly failure caused by external agents failure caused by lack of maintenance or neglicence blades and parts subject to wear WARRANTY FORFEITURE In case of arrearage or other breaches of contract Whenever changes or repairs are carried out on our cutting units without our prior authorization Whenever the serial number is tampered with or canc...

Page 15: ...RASOR ELETTROMECCANICA SRL ViaVincenzo Caldesi 6 20161 Milan Italy ph 39 02 66 22 12 31 fax 39 02 66 22 12 93 info rasor cutters com www rasor cutters com FOLLOW US ...

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