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CEMB C330 Service Manual

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Service manual
C330 US
CEMB S.p.A.
Via Risorgimento, 9
23826 Mandello del Lario (LC) ITALY
Telefono: + 39 706369 Fax: + 39 0341 700725
www.cemb.com garage@cemb.com
The Manufacturer declines all liability for any damage to people or property caused by incorrect use of this product.
Subject to change without prior notice.

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  • Page 1 Service manual C330 US CEMB S.p.A. Via Risorgimento, 9 23826 Mandello del Lario (LC) ITALY Telefono: + 39 706369 Fax: + 39 0341 700725 www.cemb.com garage@cemb.com The Manufacturer declines all liability for any damage to people or property caused by incorrect use of this product.
  • Page 2 Istruzioni originali Translation of the original instructions Traduction de la notice originale Übersetzung der Originalanweisungen Traducción de las instrucciones originales Tradução das instruções originais...
  • Page 3 Safety WARNING: WEAR PERSONAL PROTECTIVE EQUIPMENT DURING HANDLING! (SAFETY BOOTS WITH RUBBER SOLE AND REINFORCED TOE CAPS (EN345 ) (ANSI Z41.1-1991), STANDARD PROTECTIVE GLOVES (EN388 ) (ANSI/ISEA 105-2005) (OSHA,1910.138), GOGGLES STANDARD (EN166 1F ) (ANSI Z87.1) (OSHA,1910.133) AND WORKWEAR (EN510) STANDARD (OSHA,1910.132)) WARNING: PAY ATTENTION TO THE INTERNAL ELECTRICAL CONNECTIONS WHEN THE COVERS...

  • Page 4: General Instructions

    GENERAL INSTRUCTIONS PNEUMATIC OPERATIONS Lift the spin unit 1. Position the valve lever upwards Lower the spin unit 1. Lower the valve lever Spin unit stopped in intermediate position 1. Position the valve lever in intermediate position Close the pneumatic circuit 1.
  • Page 5 Holding pressure adjustment ARNING ARRY OUT THIS OPERATION ONLY IF WHEN THE VALVE LEVER IS POSITIONED IN INTERMEDIATE POSITION THE SPINDLE TENDS TO MOVE UPWARDS 1. Remove the weight tray shelf and the gauge plate (see relevant instructions) ARNING ARRY OUT THIS OPERATION WITH THE ADAPTER FLANGE INSTALLED ON THE SPINDLE 2.
  • Page 6 Digital machines 1. Keep MENU key pressed and use the switch to start the machine a. Release the MENU key after switching on 2. At the “INIT NOVRAM” or “INIT?” request a. Press ENTER to carry it out b. Press STOP to skip ARNING LL CALIBRATIONS ARE RESET ARNING...
  • Page 7 GAUGE POTENTIOMETERS REPLACEMENT Distance potentiometer replacement and calibration Disassembly ANGER WITCH THE MACHINE AND DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1. Remove the weight tray shelf and the gauge plate (see relevant instructions) AKE PHOTOS OF THE CABLE PASSAGES AND FASTENING POINTS WITH RETAINERS FOR A CORRECT POSITIONING DURING REINSTALLATION OR VIDEO MODELS...
  • Page 8 5. Loosen the two 2.5mm socket head dowels securing the pulley a. Remove the pulley b. Remove the pulley spring 6. Use a crosshead screwdriver to unscrew the three screws securing the spring guide a. Extract the potentiometer cable from the baseplate 7.
  • Page 9 2. Insert the potentiometer cable in the spring guide support hole a. Secure the spring guide with the three crosshead screws 3. Position the gauge return spring ARNING NSERT THE PIN IN THE SPECIAL HOLE OF THE SPRING GUIDE 4. Position the pulley inserting the pin of the spring into the special hole a.
  • Page 10 OR VIDEO MODELS SKIP TO STEP 6. (Only for digital model) Insert the potentiometer cable with probe a. Insert the probe in the pipe b. Secure the cable to the probe using the retainers c. Insert the potentiometer cable in the pipe 7.
  • Page 11 ARNING DJUST WITH THE INDEX AT REST 11. Use a flat blade screwdriver to adjust the potentiometer OR DIGITAL BALANCING MACHINES SET THE VALUE 25 ( BETWEEN MINIMUM MAXIMUM OR VIDEO BALANCING MACHINES SET THE VALUE 50 ( 250 ( BETWEEN MINIMUM MAXIMUM...
  • Page 12 4. Remove the braid from the pulley a. Release the spiral spring from the stop screw 5. Rotate the rod to access the 2mm socket head screw a. Remove the 2mm socket head screws securing the plate 6. Move the spring inwards until seeing the 2mm hexagonal socket head dowel a.
  • Page 13 Assembly 1. Use cutting pliers or scissors to remove the plastic pin a. Position the new serrated washer b. Secure the potentiometer with the new nut on the bracket c. Secure the potentiometer cable with fasteners on the bracket ARNING HE RETAINERS MUST BE POSITIONED ON THE UPPER PART OF THE BRACKET 2.
  • Page 14 OR VIDEO MODELS SKIP TO STEP 6. (Only for digital model) Insert the potentiometer cable with probe EE INSTRUCTIONS ISTANCE POTENTIOMETER REPLACEMENT AND CALIBRATION SSEMBLY STEP 7. Connect the connector of the diameter potentiometer to the board ARNING EFER TO THE WIRING DIAGRAMS 8.
  • Page 15 ARNING ARRY OUT THIS OPERATION WITH INDEX IN POSITION P 12. Use cutting pliers to rotate the pin of the potentiometer OR DIGITAL BALANCING MACHINES SET THE VALUE 25 ( BETWEEN MINIMUM MAXIMUM OR VIDEO BALANCING MACHINES SET THE VALUE 50 ( 250 ( BETWEEN...
  • Page 16 BELT TENSIONING ANGER WITCH THE MACHINE AND DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1. Remove the weight tray shelf and the gauge plate (see relevant instructions) 2. Loosen the two upper nuts securing the motor support plate ARNING HE PLATE MUST SLIDE WITH NO...
  • Page 17 SPINDLE RESET EFORE RESETTING THE SPINDLE IT IS ADVISABLE TO CARRY OUT A FEW SPINS WITH THE TRUCK WHEEL INSTALLED ON THE SPINDLE IN ORDER TO SETTLE ALL COMPONENTS AUTO ARNING ESET THE SPINDLE IN MODE ARNING AKE SURE THAT NO WHEELS OR CONES ARE INSTALLED ON THE TERMINAL 1.
  • Page 18 SPINDLE RESET VALUES CHECK ARNING HE RESET VALUE MUST BE CHECKED AFTER SELF CALIBRATION 1. Check the reset value a. Digital models i. Menu ii. Setup iii. Enter iv. CAL press MENU v. ENTER vi. CAL ON, arrow UP, vii. Ris.on press enter to see the reset values b.
  • Page 19 7. Check a. Gauge in position P1 Digital machines, value –d-:5-25 Video machines, Diam value: 50-250 b. Rotate the gauge along the entire stroke iii. The value must never go to zero 8. (If present) LA (sonar1) and EMS (sonar2) sonar operation check a.
  • Page 20 3. Check the measured weight change HE MAXIMUM CHANGE THAT CAN BE AUTOMATICALLY ACCEPTED IS GRAMS TEST SPINS 1. Fit the CAR wheel with steel rim a. Balance it at 0g of dynamic unbalance b. Carry out the following operations: 5 spins without additional weights 5 spins with a 60g weight on the internal side iii.
  • Page 21 3. Install the new panel a. Detach the bi-adhesive protection b. Insert the flat cable in the slot on the frame c. Stick the new panel respecting the slots for the displays ARNING HERE SHOULD BE NO AIR BUBBLES LEFT BETWEEN ADHESIVE AND SUPPORT PANEL d.

  • Page 22: Troubleshooting

    TROUBLESHOOTING Date: Technician: Model: Serial number: Software version: The purpose of this form is to guide a qualified technician through a series of basic checks on balancing machines with problems not caused by clearly faulty components. It collects also the full range of information required for any communication with the manufacturer. Fault found (Describe in detail the problem found on the machine) Error code HE ERROR CODES AND THEIR RELEVANT MEANING AND TROUBLESHOOTING ARE LISTED AT THE END OF THE...
  • Page 23 Check the correct operation of the components of the balancing machine (see balancing machine self- diagnostics) 1. Encoder 2. Crossing value:…………………………… 3. Check the correct operation of the piezo 4. Distance potentiometer –a-: a. Value with gauge at rest:……………………… b. Value with gauge at end of stroke:…………………… 5.
  • Page 24 Aluminium wheel balancing ARNING UTOADAPTIVE DISABLED AND CHECK WITH GRAM RESOLUTION 1. Centre the wheel with the cone from the inside, and carry out the balancing a. Internal unbalance…………………… b. External unbalance…………………… 2. Add the correction weights a. Internal weight added……………………. b.
  • Page 25 WEIGHT TRAY AND GAUGE PLATE REMOVAL ANGER WITCH THE MACHINE DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1. Unscrew the weight tray shelf fastening screws 2. (If present) Disconnect the cycle start button faston connectors a.

  • Page 26: Electrical Maintenance

    ELECTRICAL MAINTENANCE ANGER WITCH THE MACHINE AND DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1. Remove the weight tray shelf and the gauge plate (see relevant instructions) 2. Power board a. Disconnect all cables b.

  • Page 27: Fuses Replacement

    FUSES REPLACEMENT ANGER WITCH THE MACHINE OFF AND DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1. Extract the fuse support a. Replace the fuses ARNING AKE SURE THAT THE NEW FUSE HAS THE CORRECT AMPERAGE...

  • Page 28: Encoder Replacement

    ENCODER REPLACEMENT ANGER WITCH THE MACHINE AND DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION OR TRUCK BALANCING MACHINES GO TO STEP 1. Remove the weight tray shelf and, if present, the flame guard plate (see the relevant instructions) ONTINUE TO STEP Lift the spin unit (see relevant instructions) Remove the weight tray shelf and the flame guard plate (see relative instructions)
  • Page 29 GUARD CLOSURE ADJUSTMENT 1. Adjust the position of the guard brake lever a. Unscrew the lock nut b. Adjust the screw c. Secure the lock nut ANGER HE GUARD SHOULD CLOSE ONLY IF LOWERED BY THE OPERATOR GUARD MICROSWITCH REPLACEMENT ANGER WITCH THE MACHINE AND DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY...
  • Page 30 MAT REPLACEMENT DISASSEMBLY ANGER WITCH THE MACHINE AND DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1. Lift the spin unit (see relevant instructions) 2. Remove the weight tray shelf and the gauge plate (see relevant instructions) 3.
  • Page 31 5. Remove split pins securing the roller sliding T IS ADVISABLE TO ACCESS MANUALLY THROUGH THE SLOT ON THE SIDE OF THE SPINDLE 6. Remove the springs a. Remove the roller sliding pin 7. Unscrew the mat fastening screws from the lower part of the spin unit 8.
  • Page 32 ASSEMBLY ARRY OUT THIS OPERATION ON A CLEAN PLANE IN ORDER NOT TO CONTAMINATE THE MAT 1. Identify the correct installation position for the mat ARNING OSITION THE NEW MAT WITH THE POLISHED SIDE FACING UPWARDS ARNING OSITION THE SLOT CUT ON THE IT IS NOT CENTRED ON THE CENTRELINE TOWARDS THE FRONT OF THE BALANCING MACHINE...
  • Page 33 5. Install the mat from the upper part of the spin unit a. Insert the mat plate in its seat b. Fold the mat over the edge of the plate as shown in the photo c. Fasten the two plate fastening screws...
  • Page 34 d. Insert the pin with roller in the fold created on the mat e. Insert the pin on the two supports Tighten the screw fastening the square for the right side roller g. Lift and lower the spindle a few times to check that the mat slides correctly 6.
  • Page 35 THREADED TERMINAL REPLACEMENT ANGER WITCH THE MACHINE DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1. Install the terminal on the central hole of the shaft, inserting it fully. ARNING HE COUPLING BETWEEN SHAFT AND TERMINAL IS VERY PRECISE HE ROTATIONS SHOWN IN THE PHOTO REFER TO THE INSTALLATION OF THE THREADED TERMINAL ON...
  • Page 36 RIM LIGHTING LED REPLACEMENT ANGER WITCH THE MACHINE AND DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1. Remove the weight tray shelf and, if present, the flame guard plate (see the relative instructions) AKE PHOTOS OF THE CABLE PASSAGE TO BE USED AS A REFERENCE FOR THE SUBSEQUENT INSTALLATION 2.
  • Page 37 LASER LINE REPLACEMENT AND ADJUSTMENT 22RS88368 OR A CORRECT CALIBRATION IT IS ADVISABLE TO USE THE LASER CALIBRATION TOOL ANGER WITCH THE MACHINE AND DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1. Lift the spin unit (see relevant instructions) 2.
  • Page 38 F THE CALIBRATION TOOL IS NOT AVAILABLE TO STEP 5. Fit the calibration tool on the spindle (without locking it). 6. Apply a weight to the lower hole of the tool AKE SURE THAT THE FLOOR UNDER THE MACHINE IS LEVELLED 7.
  • Page 39 LA SONAR REPLACEMENT ANGER WITCH THE MACHINE DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1. Use a crosshead screwdriver to unscrew the 4 screws a. Remove the outer shell 2. Unscrew the 2 sonar holding screws 3.

  • Page 40: Brake Replacement

    BRAKE REPLACEMENT DISASSEMBLY ANGER WITCH THE MACHINE AND DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1. Lift the spin unit (see relevant instructions) 2. Remove the weight tray shelf and the gauge plate (see relevant instructions) 3.
  • Page 41 ASSEMBLY 1. Secure the brake on the pulley using the bowed head screws ARNING NSERT THE SERRATED WASHERS PROVIDED WITH THE BRAKE a. Secure the brake on the support using screws and nuts 2. Install the brake support on the spin unit a.
  • Page 42 4. Check the distance of the brake from the disc a. Use a 0.2mm thickness gauge b. The shim must pass evenly on the entire surface of the disc c. Adjust the position if necessary i. Use a rubber hammer to move the brake support ARNING O NOT HIT THE MAT TRANSMISSION...
  • Page 43 SPINDLE POSITION MICROSWITCH REPLACEMENT ANGER WITCH THE MACHINE AND DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1. Close the pneumatic circuit (see relevant instructions) 2. Remove the weight tray shelf and the gauge plate (see relevant instructions) 3.
  • Page 44 PULLEY SUPPORT REPLACEMENT ANGER WITCH THE MACHINE AND DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1. Remove the weight tray shelf and the flame guard plate (see relative instructions) 2. Position a stable mount to support the spindle 3.
  • Page 45 7. Unscrew the bracket securing screw 8. Insert a lever into the hole on the pulley support a. Unscrew the screw securing the support 9. Install the pulley support by following the removal instructions in the reverse order ARNING UT SOME THREAD LOCK ON THE BRACKET MOUNTING SCREW BLUE OCTITE...
  • Page 46 REPLACING THE SPINDLE DISASSEMBLY ANGER O CARRY OUT THIS MAINTENANCE OPERATION IT IS MANDATORY TO USE A LIFTING DEVICE AND EYEBOLT TO LIFT THE SPIN UNIT ANGER WITCH THE MACHINE AND DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1.
  • Page 47 12. Cut the retainers securing the cable grip containing piezo, encoder, internal lighting LED and laser line cables a. Disconnect the following connectors from the board: b. Piezoelectric c. Encoder d. Internal lighting LED e. Laser line 13. Insert the eyebolt on the spindle to lift the spin unit...
  • Page 48 14. Engage the spin unit to the lifting means a. Lift the lifting means until tensioning the spindle ANGER AY ATTENTION RISK OF CRUSHING b. Close the air circuit c. Lower the spin unit HE CYLINDER LOWERS TO THE STROKE END THE SPINDLE REMAINS LIFTED BY THE LIFTING MEANS 15.
  • Page 49 17. Remove the split pin and remove the mat transmission pin 18. Extract the spin unit from the baseplate ARNING URING THE REMOVAL DO NOT DAMAGE THE WHEEL GUARD OR THE MACHINE MONITOR a. Remove the following cables from the cable grip: b.
  • Page 50 2. Insert the pin securing the chain to the spindle a. Secure using a seeger 3. Install the spindle fastening screws 4. Open the pneumatic circuit (see relevant instructions) a. Lift the spindle (see relevant instructions) 5. Release the lifting means from the eyebolt a.
  • Page 51 7. Install the brake (see relevant instructions) NSERT THE BRAKE CABLE AND THE MOTOR CABLE IN THE CABLE GRIP NSERT THE MOTOR AND BRAKE CONNECTIONS IN THE BOARD ARNING EFER TO THE WIRING DIAGRAMS 8. Install the encoder (see relevant instructions) 9.
  • Page 52 HEN REPLACING ONLY THE BELT GO TO STEP 6. Disconnect the motor wiring from the board a. Remove the ferrite from the motor cables b. Cut the cable grip retainers securing it to the baseplate c. Extract the motor cables from the cable grip 7.
  • Page 53 6. Install the encoder (see relevant instructions) 7. Install the mat on the upper part of the spin unit (see relevant instructions) 8. Install the gauge plate and the weight tray shelf (see relevant instructions) 9. Carry out 100 spins with medium car wheel (16-inch) to settle the belt 10.
  • Page 54 PROCESSOR BOARD REPLACEMENT ANGER WITCH THE MACHINE DISCONNECT THE POWER SUPPLY CABLE BEFORE CARRYING OUT ANY ELECTRICAL OR MECHANICAL OPERATION 1. Unscrew the two crosshead screws until extracting the cover 2. Unscrew the four 10mm hexagonal screws securing the panel a.

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