CT Syj Periodic Maintenance
Contents
1. 7 Check the HV high voltage connectors for the following e Nocracks exist on the candle stick surface e The connector pins are clean e The rubber packing is not damaged CT E Sytec 16001 Sytec1800i 6 2 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 X RAY GENERATOR PDU 1 1 PM 0603 Purpose Check HV tank oil and HV connector Estimated Time 0 20 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION Electric Shock hazard Wait more than five minutes following the last scan before performing the following procedure 1 Turn OFF the breaker CB1 and wait five minuted 2 Measure the voltage between the terminal 1 and 2 of the TM1 of FIL CONT ASSY 280VDO Check that the voltage is zero 3 Remove the HV high voltage connectors from the HV TANK and verify the following e No oil has leaked from the HV tank check for air bubbles in the viewing port e The oil in the well is pure e The amount of the oil in the HV well has not reduced if reduced replenish it with fresh oil silicone oil 4 Check the HV high voltage connectors for the following e Nocracks exist on the candle stick surface e The connector pins are clean e The rubber packing is not damaged CT E Sytec 16001 Sytec1800i 6 3 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 X RAY GENERATOR PDU 1 1 PM 0604 Purpose Check HV cable connection Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e2. CRT PWR PS ADP Assy PS DISTR Assy CT E Sytec 16001 Sytec1800i 2 6 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 GANTRY 1 3 PM 0301 Purpose Check Rotation Safety Estimated Time 0 15 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION TO ENSURE SAFETY TURN THE SCAN SWITCH OFF AT THE REAR GANTRY BASE AND SWITCH OFF THE SYS OFF MNL ON THE TGP WARNING BOARD WHEN WORKING ON THE GANTRY 1 Move the Gantry to the home and 0 tilt position 2 Switch OFF the Scan and Control switches on the rear Gantry base 3 Remove the mylar ring and the Gantry rear cover 4 Switch ON the Control switch at the rear Gantry base 5 Verify that there are no obstacles in the rotation path of the Gantry Note 11 Gantry is normally held by the dynamic brake and electromagnetic brake the motor The service switch ON release both brakes allowing the Gantry to be rotated hand easily 6 Turn ON the service switch on the Sub board 7 Verify that there is a limit ball in the Gantry Illustration 3 1 Limit Ball Location Limit Ball Location CT E Sytec 16001 Sytec1800i 3 1 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 2 GANTRY 2 3 0301 8 Rotate the Gantry in the CCW direction by hand until the limit switch is activated by limit ball 9 Verify that the GLMIT LED on the TGP board is ON 10 Turn OFF the ser
3. CT E Sytec 16001 Sytec1800i 6 10 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 X RAY GENERATOR PDU 1 1 PM 0609 Purpose Check Power Cable Terminal Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION ELECTRIC SHOCK HAZARD DANGEROUS VOLTAGES EXIST WITHIN THE UNIT USE EXTREME CARE TO AVOID INJURY TO PERSONNEL AND EQUIPMENT 1 Turn OFF the Power switch on the OC front panel 2 OFF the breaker in the Power Distribution Box hospital supply For 3 Phases e Check that the 200V three phase terminals 1 1 2 3 are properly in place and firmly tightened e Check that the 100V single phase terminals TM1 10 11 are properly in place and firmly tightened For Single Phase e Check that all power cables are properly in place and firmly tightened e Check that all metal plates on the Transformer Coupling Board are tightly connected CT E Sytec 16001 Sytec1800i 6 11 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE blank 2219596 CT E Sytec 16001 Sytec1800i 6 12 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 MOD 1 1 0701 Purpose Clean Air Filter full height MOD only Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION Two type of MOD full height or Half height exist in the field Only the Full height MOD P9199EJ P9199EK or P9329DA contains the air filter The Half heigh
4. GE Medical Systems Technical Publications 2219596 Revision 4 CT Eu Sytec 16001 Sytec 18001 Periodic Maintenance Manual Copyright 1998 1999 2000 by General Electric Company Operating Documentation GE MEDICAL SYSTEMS REV 1 WARNING AVERTISSEMENT WARNUNG AVISO CT Ey Sytec 16001 Sytec1800i CT PERIODIC MAINTENANCE 2219596 THIS SERVICE MANUAL IS AVAILABLE IN ENGLISH ONLY IF A CUSTOMER S SERVICE PROVIDER REQUIRES A LANGUAGE OTHER THAN ENGLISH IT IS THE CUSTOMER S RESPONSIBILITY TO PROVIDE TRANSLATION SERVICES DO NOT ATTEMPT TO SERVICE THE EQUIPMENT UNLESS THIS SERVICE MANUAL HAS BEEN CONSULTED AND IS UNDERSTOOD FAILURE TO HEED THIS WARNING MAY RESULT IN INJURY TO THE SERVICE PROVIDER OPERATOR OR PATIENT FROM ELECTRIC SHOCK MECHANICAL OR OTHER HAZARDS CE MANUEL DE MAINTENANCE N EST DISPONIBLE QU EN ANGLAIS SI LE TECHNICIEN DU CLIENT A BESOIN DE CE MANUEL DANS UNE AUTRE LANGUE QUE L ANGLAIS C EST AU CLIENT QU IL INCOMBE DE LE FAIRE TRADUIRE NE PAS TENTER D INTERVENTION SUR LES QUIPEMENTS TANT QUE LE MANUEL SERVICE N A PAS T CONSULT ET COMPRIS LE NON RESPECT DE CET AVERTISSEMENT PEUT ENTRA NER CHEZ LE TECHNICIEN L OP RATEUR OU LE PATIENT DES BLESSURES DUES DES DANGERS LECTRIQUES M CANIQUES OU AUTRES DIESES KUNDENDIENST HANDBUCH EXISTIERT NUR IN ENGLISCHER SPRACHE FALLS EIN FREMDER KUNDENDIENST EINE ANDERE SPRACHE BENOTIGT IST ES AUFGABE DES KU
5. Gantry Isolation Check drive belt wearing DAS Detector Verify Detector heater control Table Clean Cradle tray Table Check for Oil Check Table anchors Table Isolation 1 9 0 gli PR rms XG PDU Check Clean Radiator FAN Check X ray tube oil and HV connector Check HV Tank and HV connector Check HV Cable connection uec etos s ae ue in Ne Check Tube overheat safety LEA Check KV and MA 5 FANS rip s erat Check Power Cable Terminals MOD Clean Air Filter full height MOD only dere Re ee ln Dry Wet Check Image archive operation Comment Field Engineer ID CT E Sytec 16001 Sytec1800i GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 SYSTEM 1 1 PM 0101 Purpose Verify emergency off buttons Ga
6. Safety and Regulatory ITEM DESCRIPTION mm me PM0101 System Verify Emergency OFF buttons Gantry Console XG 1 8 PM0102 System Check x ray ON lights or buzzer operation of scan abort PM0103 System Caution Label Check 0105 System Check Error Logs 1 8 1 PM0110 System Phantom Check PM0201 O C Verify Audio Function 0501 Table Check Head Holder PM0502 Table Check Table Cover PM0503 Table Check Gap sponge PM0504 Table Gap between Table Cover and Cradle 0505 Table Check Cradle Rail PMO506 Table Holder Stability Check 1 8 PM0507 Table Check Touch Sensor operation PMO508 Table Verify Unlatch Function PM0509 Table Check Gantry Table interlock Image Quality ITEM DESCRIPTION mm a PM0104 System Image Check Image Performance 2 PM0302 Gantry Clean Mylar ring cover 2 0401 DAS Check Clean Detector face 2 1 CT E Sytec 16001 Sytec1800i 1 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE REV 4 2219596 SCHEDULE continued System Performance SUB Estimated ITEM SYSTEM DESCRIPTION Time 0106 System Perform Filter Curve Test A 0 15 PM0107 System Check Ground Cable Terminals A 0 05 PM0108 System C
7. 3 Body Strap Attachment Approx 15kgf Body Strap Velcro Tape both side Cradle Attachment Strap CT E Sytec 16001 Sytec1800i 5 6 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 1 2 PM 0506 Purpose Holder Stability Check Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Verify that the following holders is not loose by hand when they are attached to the cradle edge e Axial Head Holder e Cradle Extender e Head Holder e Phantom Holder e Coronal Holder Illustration 5 4 Head Holder Stability NO GOOD Just Touch Cradle Cradle Head Holder Cradle Edge Support Screw Cradle Edge Support Screw CT E Sytec 16001 Sytec1800i 5 7 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 2 2 PM 0506 Purpose Holder Stability Check Estimated Time 0 05 2 If not adjust the support screw so that the gap between Cradle Edge and Head holder is just touched See Illustration 5 5 Illustration 5 5 Head Holder Support Screw OO Support Screw CT E Sytec 16001 Sytec1800i 5 8 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 1 1 PM 0507 Purpose Check Touch sensor operation Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Press the Touch Sensor during the Table DOWN operation and verify that the Table DOWN movement s
8. PDU 3 3 PM 0607 Purpose Check KV and mA Estimated Time 0 30 Do not turn ON the Scan switch 12 Perform STATIONARY scan with the following parameters STATIONARY SCAN SCAN TIME 5 0sec THICKNESS 10 XG ROTOR XG ON KV 120 kV MA 40 mA SERIES NO 1 Others defaults 13 Verify that the multimeter reads 60 4 2V 14 Change the probes to the HV divider s terminal corresponding to cathode and ground 15 Repeat the steps 11 through 13 for the cathode side 16 Disconnect the divider HV cables from X ray tube 17 Disconnect the HV cables connected to the divider input side and connect them to the X ray tube 18 Release the Azimuth lock pin 19 Switch ON the Scan switch on the rear Gantry base Check Current 1 Generate X ray with 120kv and 100mA and check that the mA meter indicates 100 5mA 27522722777 7 If the measured value is out of specification perform the following items in the B Note GENERATOR tab of the FUNCTIONAL CHECK ADJUSTMENT mE Manual e KV AND mA e mA CALIBRATION for Single Phase CT E Sytec 16001 Sytec1800i 6 9 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 X RAY GENERATOR PDU 1 1 PM 0608 Purpose Inspect FANS for 3Phases Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION Check XG FANS 1 Verify that the FANs installed on the XG rear cover and HV INV assy are operating
9. SCAN SWITCH FIRST 1 Push the POSN Light button 2 Verify that the Gantry rotates to the Home position and both internal and external positioning lights are turned ON The Gantry does not rotate if it is already positioned at the Home position 2 11 If the positioning lights are not turned posh the reset switch on the Board once and perform the above 3 Check if both internal and external positioning lights are properly adjusted 4 Verify that the positioning lights are turned OFF automatically after approximately 1 minute CT E Sytec 16001 Sytec1800i 3 7 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 GANTRY 1 1 PM 0306 Purpose Check Gantry anchor Gantry isolation Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Inspection that the Gantry is firmly anchored to the floor by two anchor bolts and that no cracks exist on the insu lating plate for each anchor bolt E If any anchor bolts are loose tighten it to the specified torque e Specified Torque 40 kgf cm Illustration 3 4 Proper Anchor Position and Alternative Anchor Position Anchor Bolt Gantry Base Anchor Nut TABLE Anchor GANTRY Adjuster Bubble Level Position Cone Wedge 2 Verify that the Gantry is in no contact with the floor If not adjust feet for isolation CT E Sytec 16001 Sytec1800i 3 8 GE MEDICAL SYSTEMS CT PERIOD
10. XG PDU Check Tube over heat safety 3 o5 CheckPats 3 H H 3 3 3 PM0701 MOD Clean Air Filter full height MOD only 1 0 05 PM0702 MOD Inspect FANS A 1 0 05 PM0703 Dry Wet Cleaning 3 A 1 0 05 PM0704 MOD Check Image archive operation 3 A 0 ES 640 640 75 1 Option CT E Sytec 16001 Sytec1800i 2 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE REV 4 2219596 CT Eu Sytec 1600i Sytec 18001 PM Report 1 2 Site Date System ID Dispatch No Check Item Result Safety and Regulatory oystem Verify Emergency OFF buttons Gantry Console PDU Check X ray ON lights or buzzer Operation of scan abort Caution Label Check see rots uv trie dise dixi 0 LOOS Nr an Phantom Check Console Verify Audio Table Gheck Head Holder st rion QUE ES Check Table COVER dil exeo Check Gap SPONGE A Gap between Table Cover and Cradle Check Grade Fall eu cti oe Holder Stability Check Touch Sensor operation Verify Unlatch FUNCION steht ied be
11. 1 1 PM 0501 Purpose Check Head Holder Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Check each head holder on site for the following e The latch hook stops at each of the lock and release positions e The hook axis has not become weak e Nocracks exist on the acrylic resin parts especially inspect well the rib root where the patient s neck is placed and parts around the flat head screws If any crack is found replace the head holder e No flat head screws are loose If loosened tighten those Torque 8 kg cm turn the grip of the screwdriv er using thumb index finger and middle finger which gives approximately this torque Tighten the loosened screws only and DO NOT excessively tighten the screws which will cause cracks e All velcro tape is securely attached to the head holders If not the case replace the velcro tape 2 If system has Metal Free Cradle check each head holder and cradle on site for the following e Check that the lock hook is securely attached to each head holder If not tighten the loosened flat head screw Do not over tighten screws e Repeat the same check for the cradle side lock hook CT E Sytec 16001 Sytec1800i 5 1 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 1 1 PM 0502 Purpose Check Table Cover Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1
12. Check that the Table Cover is not deformed and not damaged Also check that the Table Cover does not interfere with the cradle CT E Sytec 16001 Sytec1800i 5 2 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 1 1 PM 0503 Purpose Check Gap sponge Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Check that two pieces of sponge are securely attached to the Table front end If they have come off replace them CT E Sytec 16001 Sytec1800i 5 3 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 1 1 PM 0504 Purpose Gap between Table Cover and Cradle Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Check that the position of the table cover and the cradle are parallel and the gap between them is 7mm or less lt Refer to the following items in the TABLE tab of the FUNCTIONAL CHECK AD BEL JUSTMENT Manual e Gap between Frame and Cradle e Gap between Cradle and Cradle support CT E Sytec 16001 Sytec1800i 5 4 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 1 2 PM 0505 Purpose Check Cradle Rail Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION Attachment Rail Type 1 Check the cradle for the following See Illustration 5 1 e Check that the Velcro tape of the cradle ra
13. None PREREQUISITES e None TASK DESCRIPTION Electric Shock hazard Wait more than five minutes following the last scan before performing the following procedure 1 Turn OFF the breaker CB1 and wait five minuted 2 Measure the voltage between the terminal 1 and 2 of the TM1 of FIL CONT ASSY 280VDO Check that the voltage is zero 3 Check that the connection portions of the cables from HV INVERTOR to HV TANK are firmly tightened 4 Check that the physical position of the cable loops connected to the HV TANK is perpendicularly opposed to each other See illustration 6 1 Illustration 6 1 Cable Position They must remain perpendicularly opposed to each other HV TANK ASSY CT E Sytec 16001 Sytec1800i 6 4 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 X RAY GENERATOR PDU 1 1 PM 0605 Purpose Check Tube overheat safety Estimated Time 0 15 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION ROTATION HAZARD WHEN YOU PRESS THE POSN LIGHT BUTTONS LARGE BUTTON AND SMALL BUTTON THE GANTRY QUICKLY RO TATES TO THE 0 DEG POSITION IF IT IS NECESSARY TO PLACE ANY PART OF YOUR BODY INSIDE OR NEAR THE GANTRY SWITCH OFF THE SCAN SWITCH FIRST Check for overheat error by performing the following 1 Rotate the Gantry to 90 degree tube position 2 Turn OFF the System Power at the Operator Console 3 Disconnect one of the cable connected to the Thermal and
14. PMO504 0505 0506 0507 0508 0509 PM0510 PM0511 PM0512 PM0513 PM0514 XG PDU 0601 0602 0603 0604 0605 0606 0607 0608 0609 MOD 0701 0702 0703 0704 CT Ey Sytec 16001 Sytec1 800i Check Head Holder Check Table Cover Check Gap Sponge Gap between Table Cover and Cradle Check Cradle Rail Holder Stability Check Check Touch Sensor operation Verify Unlatch Function Check Gantry Table interlock Clean Cradle tray Table Cover Check for Oil Leak Greass up Check Table anchors Table Isolation Inspect FANs Check Clean Radiator FAN Check X ray tube oil and HV connector Check HV Tank and HV connector Check HV Cable connection Check Tube overheat safety Check Parts Check KV and mA Inspect FANS Check Power Cable Terminal Clean Air Filter full height MOD only Inspect FAN Dry Wet Cleaning Check Image archive operation GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE REV 1 2219596 GENERAL INTRODUCTION BEFORE STARTING A PERIODIC MAINTENANCE READ THE SAFETY GUIDELINES MANUAL THOROUGHLY TO PREVENT EQUIPMENT DAMAGE PERSONAL HARM HARM TO OTHERS OR DEATH DURING SERVICE Recommended PM frequency is one time a year for CT Eu Sytec 1600i Sytec 1800i scanners The frequency may vary due to local ordinance and the usage of the system the system availability etc If you need more PMs order extra copies of this docume
15. Pressure Switch at Terminal side terminal 9 4 Turn ON the System Power at the Operator Console 5 Check that the LED OVH in the Power Cont board lights on CT E Sytec 16001 Sytec1800i 6 5 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 X RAY GENERATOR PDU 1 1 PM 0606 Purpose Check Parts Estimated Time 0 10 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Check the Rotor control for discolored or burnt parts strange noise and presence of smoke 2 Check the Front part of the X ray Generator for discolored or burnt parts strange noise and presence of smoke Give special attention to the resistors relays and transformers 3 For 3 Phases Replace relays RL16 and 17 if necessary The life for these relays are 100 000 turns Relay Description Estimated Life O RL16 Rotor on off relay If 300 times turned in one day 100 000 300times x 365days 1 year HL17 HV on off relay If 30 times turned in one patient 100 000 30times x 30patients x 365days 0 3 year CT E Sytec 16001 Sytec1800i 6 6 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 X RAY GENERATOR PDU 1 3 0607 Purpose Check KV and mA Estimated Time 0 30 SPECIAL TOOLS SUPPLIES e HV Divider PREREQUISITES e None TASK DESCRIPTION Check Voltage 1 Perform Warm Up scans if necessary Electric Shock hazard Before performing the foll
16. TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION Service Lines Specific and detailed information concerning the error including but not limited to Additional prob lem descriptions cause information Information indicating what was supposed to happen what did happen and how it was detected for example expected value vs actual value name of file attempted to open etc This includes any information concerning abnormal conditions related to the error Refer to ERROR CODE AND MESSAGE LIST in the SYSTEM tab of the DIAG 1 Note NOSTICS Manual CT E Sytec 16001 Sytec1800i 1 5 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 SYSTEM 1 1 0106 Purpose Perform Filter Curve Test Estimated Time 0 15 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION Refer to BOW TIE FILTER CURVE TEST in the GANTRY tab of the FUNC Note TIONAL CHECK ADJUSTMENT Manual 1 Switch OFF the Scan switch at the Gantry rear base 2 Remove the Gantry front and both side covers Switch ON the Scan switch 4 Perform two air stationary scans with the filter installed and removed Scan 1 Scan 2 AZIMUTH 0 deg AZIMUTH 0 deg SCAN TIME 3 3 sec SCAN TIME 3 3 sec THICKNESS 10 THICKNESS 10 KV 120 kV KV 120 kV MA 40 mA MA 40 mA SERIES NO 1 SERIES NO 2 Others defaults Others defaults
17. Turn OFF the Power Switch of the Operator Console 2 Clean the down side of the cartridge slot entrance of the MOD unit 3 Install the brush U0027ZA onto to the Head Cleaning Tool 4 Insert the Head Cleaning Tool fully into the cartridge slot with the brush facing to the sown side and move it back and forth in the range of 60 mm approximately three or four times See illustration 7 2 Illustration 7 2 Dry Cleaning Head Cleaning Tool Cartridge Slot Wet Cleaning 1 056 the Cleaner kit available in the Service Station Follow the instruction containing in the kit If necessary order the consumption material U0035Z4 of the Cleaner kit CT E Sytec 16001 Sytec1800i 7 3 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 MOD 1 1 0704 Purpose Check image archive operation Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Read an image of the MOD and verify that no error occur CT E Sytec 16001 Sytec1800i 7 4 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE REV 1 2219596 APPENDIX A SYMBOLS AND CLASSIFICATION Symbol Publication Description 417 5032 Alternating Current 335 1 Three phase Alternating Current j 335 1 Three phase Alternating Current with neutral con ductor Direct Current 417 5019 Protective Earth Ground 348 Attention consult ACCOMPANYING DOCUMENTS 417 5008 OFF Power disconnection from the m
18. contractors In addition electrical feeds into the Power Distribution Unit shall be performed by licensed electrical contractors Other connections between pieces of electrical equipment calibrations and testing shall be performed by qualified GE Medical personnel The products involved and the accompanying electrical installations are highly sophisticated and special engineering competence is required In performing all electrical work on these products GE will use its own specially trained field engineers All of GE s electrical work on these products will comply with the requirements of the applicable electrical codes The purchaser of GE equipment shall only utilize qualified personnel i e GE s field engineers personnel of third party service companies with equivalent training or licensed electricians to perform electrical servicing on the equipment CT E Sytec 16001 Sytec1800i C GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE REV 1 2219596 DAMAGE IN TRANSPORTATION All packages should be closely examined at time of delivery If damage is apparent have notation damage in shipment written on all copies of the freight or express bill before delivery is accepted or signed for by a General Electric representative or a hospital receiving agent Whether noted or concealed damage MUST be reported to the carrier immediately upon discovery or in any event within 14 days after receipt and the contents and containers held for in
19. shocks when a person touches a broken piece of equipment or touches two different equipment surfaces simultaneously TYPE B EQUIPMENT CLASS Il or EQUIPMENT or EQUIPMENT with INTERNAL ELECTRICAL POWER SOURCES provide an ade quate degree of protection against electric shock arising from allowable LEAKAGE CURRENTS or a breakdown in the reliability of the protective earth connection ORDINARY EQUIPMENT Enclosed EQUIPMENT without protection against the ingress of water OPERATION 0f EQUIPMENT CONTINUOUS OPERATION WITH INTERMITTENT LOADING Operation in which EQUIPMENT is connected continuously to the SUPPLY MAINS The stated permissible loading time is so short that the long term on load operating temperature is not attained The ensuing interval in loading is however not sufficiently long for cooling down to the long term no load operating temperature EQUIPMENT not suitable for use in the presence of a FLAMMABLE ANESTHETIC MIXTURE WITH AIR or WITH OXYGEN or NITROUS OXIDE CLEANING The ProSpeed S series system is NOT WATERPROOF It is NOT designed to protect internal components against the ingress of liquids Clean external system surfaces Gantry table consoles and accessories with a soft cloth dipped in hot water and wrung DAMP DRY NOT dripping IF NECESSARY use only mild dish washing liquid soap to re move dirt NOTICE Avoid damage to equipment Some spray and wipe cleaners etch and permanently cloud clear plastic s
20. 3 Remove all Gantry covers front rear and both sides 4 Set the Service switch of the Sub Board to ON 5 Rotate the gantry by hand CW CCW and make sure all cables harness and other hardware are firmly attached 6 END CT E Sytec 16001 Sytec1800i 3 5 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 GANTRY 1 1 PM 0304 Purpose Gantry cover cleaning Estimated Time 0 10 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Clean Gantry covers Use proper procedures to avoid blood borne pathogens The maintenace tasks which follow include procedures concerned with the cleaning of equipment Table Tray Gantry Cover etc Refer to local company guidelines for those procedures especially where body fluids or other possible contaminates are present Do not attach cleaning detergent around Microphone NOTICE P Use a cloth and a mild detergent or alcohol to clean the covers CT E Sytec 16001 Sytec1800i 3 6 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 GANTRY 1 1 PM 0305 Purpose Check Positioning lights Estimated Time 0 10 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION ROTATION HAZARD WHEN YOU PRESS THE POSN LIGHT BUTTONS LARGE BUTTON AND SMALL BUTTON THE GANTRY QUICKLY RO TATES TO THE 0 DEG POSITION IF IT IS NECESSARY TO PLACE ANY PART OF YOUR BODY INSIDE OR NEAR THE GANTRY SWITCH OFF THE
21. CH OFF THE SCAN SWITCH FIRST 1 Set the Gantry to the 0 tilt position and lower the table to its lowest position 2 Switch OFF the Scan and Table Tilt switches at the Gantry rear base 3 Remove the Gantry front and both side covers 4 Clean dust from the Detector surface using a vacuum cleaner and use a cloth and an alcohol to clean it CT E Sytec 16001 Sytec1800i 4 1 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 DAS DETECTOR 1 1 PM 0402 Purpose Verify Detector heater control Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION ROTATION HAZARD WHEN YOU PRESS THE POSN LIGHT BUTTONS LARGE BUTTON AND SMALL BUTTON THE GANTRY QUICKLY RO TATES TO THE 0 DEG POSITION IF IT IS NECESSARY TO PLACE ANY PART OF YOUR BODY INSIDE OR NEAR THE GANTRY SWITCH OFF THE SCAN SWITCH FIRST 1 Set the Gantry to the 0 tilt position and lower the table to its lowest position 2 Switch OFF the Table Tilt switches at the Gantry rear base 3 Remove the Gantry front and both side covers 4 Remove the Detector Temperature Controller Box cover 5 Verify that the D3 LED in the Detector temperature controller cycles blinks on and off 6 Touch the Detector surface with a hand to verify that the temperature is approximately 36 degrees CT E Sytec 16001 Sytec1800i 4 2 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE
22. CHOQUES EL TRICOS MECANICOS OU OUTROS e IL PRESENTE MANUALE DI MANUTENZIONE E DISPONIBILE SOLTANTO IN INGLESE AVVERTENZA SE UN ADDETTO ALLA MANUTENZIONE ESTERNO ALLA GEMS RICHIEDE IL MANUALE IN UNA LINGUA DIVERSA IL CLIENTE E TENUTO A PROVVEDERE DIRETTAMENTE ALLA TRADUZIONE e SI PROCEDA ALLA MANUTENZIONE DELL APPARECCHIATURA SOLO DOPO AVER CONSULTATO IL PRESENTE MANUALE ED AVERNE COMPRESO IL CONTENUTO NON TENERE CONTO DELLA PRESENTE AVVERTENZA POTREBBE FAR COMPIERE OPERAZIONI DA CUI DERIVINO LESIONI ALL ADDETTO ALLA MANUTENZIONE ALL UTILIZZATORE ED AL PAZIENTE FOLGORAZIONE ELETTRICA PER URTI MECCANICI OD ALTRI RISCHI LH 0 xA 8 5 lt NAE 01 XEIBBOSUS UXA fD RTC PR SV LOU DeURE Sid HE SAD 0 ABS 2 ur Be TEE dtd CARA HEE FAT f BK LZ BI ARTE AWG AE 4 10 7110601 Ais kf 83 MA CT E Sytec 16001 Sytec1800i b GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE REV 1 2219596 IMPORTANT X RAY PROTECTION X ray equipment if not properly used may cause injury Accordingly the instructions herein contained should be thoroughly read and understood by everyone who will use the equipment before you attempt to place this equipment i
23. D SMALL BUTTON THE GANTRY QUICKLY RO TATES TO THE 0 DEG POSITION IF IT IS NECESSARY TO PLACE ANY PART OF YOUR BODY INSIDE OR NEAR THE GANTRY SWITCH OFF THE SCAN SWITCH FIRST 1 Verify that the radiator FANS for the X ray tube cooling are operating normally and not blocked with dust Vacuum clean if necessary CT E Sytec 16001 Sytec1800i 6 1 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 X RAY GENERATOR PDU 1 1 PM 0602 Purpose Check X ray Tube oil and HV connector Estimated Time 0 20 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION Electric Shock hazard Wait more than five minutes following the last scan before performing the following procedure 1 Set the Gantry to the 0 tilt position and lower the table to its lowest position 2 Switch OFF the Scan and Table Tilt switches at the Gantry rear base 3 Remove all Gantry covers front and both sides 4 Set the Service switch of the Sub Board to ON 5 Position the X ray tube to the o clock position as viewed from the Table and switch OFF the service switch 6 Turn OFF the OC power switch and then lock and tag out the main system breaker Then remove the HV con nectors and verify the following e The oil in the HV wells is pure e The amount of the oil has not reduced if reduced replenish it with fresh oil silicone oil e No air exists inside the tube Verify this by peeping looking through the window
24. EDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 OPERATOR CONSOLE 1 1 PM 0201 Purpose Verify Audio Function Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Verify that the Operator can properly hear sounds in the Scan room through the speaker 2 Verify that the voice of the Operator can be properly heard in the Scan room through the microphone while step ping on the foot switch If necessary adjust the intercom volumes on the Operator Console refer to Audio Function in the Operator Con sole tab of the FUNCTIONAL CHECK ADJUSTMENT Manual In case sound from the scan room is noisy replace the microphone in the Gantry CT E Sytec 16001 Sytec1800i 2 1 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 OPERATOR CONSOLE 1 1 PM 0202 Purpose Clean Air filters Estimated Time 0 10 SPECIAL TOOLS SUPPLIES e Vacuum Cleaner PREREQUISITES e None TASK DESCRIPTION 1 Clean each air filter of the Operator Console using a vacuum cleaner See illustration 2 1 Illustration 2 1 Air Filter Location Fe ee af ee e Fak el af ee ar CT E Sytec 16001 Sytec1800i 2 2 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 OPERATOR CONSOLE 1 1 PM 0203 Purpose Inspect FANS Estimated Time 0 10 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Verify that th
25. FILTER INSTALLED FILTER REMOVED 1 For filter removal refer to the Component Replacement manual B Note E Switch OFF the Scan switch prior to removing the filter 5 Check the filter curve using SUPPORT DISPLAY Check that the curve is smooth 6 Visually check the filter for discoloration or cracks Replace if necessary CT E Sytec 16001 Sytec1800i 1 6 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 SYSTEM 1 1 PM 0107 Purpose Check Ground Cable Terminals Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Inspect that all the ground cables are securely connected on terminals CT E Sytec 16001 Sytec1800i 1 7 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 SYSTEM 1 1 PM 0108 Purpose Check DAS Count Estimated Time 0 15 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION This check verifies that the x ray tube dose falls within specifications by checking DAS Counts This check should be performed when the x ray tube is replaced 1 Perform an axial scan AXIAL SCAN SCAN TIME 5 0sec THICKNESS 10 XG ROTOR XG ON KV 120 kV MA 60mA SERIES NO 1 Others defaults Bow tie filter Installed 2 Verify that MEAN MAX data are within specifications as described below For system with Xe type detector MEAN MAX xxxxxxx lt 56700 lt lt 105300 specifications MIN XX
26. IC MAINTENANCE 2219596 GANTRY 1 1 0307 Purpose Check drive belt wearing Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION ROTATION HAZARD WHEN YOU PRESS THE POSN LIGHT BUTTONS LARGE BUTTON AND SMALL BUTTON THE GANTRY QUICKLY RO TATES TO THE 0 DEG POSITION IF IT IS NECESSARY TO PLACE ANY PART OF YOUR BODY INSIDE OR NEAR THE GANTRY SWITCH OFF THE SCAN SWITCH FIRST 1 Switch OFF the Scan switch at the gantry rear base 2 Remove the Gantry rear and both side covers 3 Remove the gear box cover 4 screws 4 Switch ON the service switch at the left side of the TGP board 5 Rotate the Gantry by hand CW CCW and inspect condition of drive belt Check for cracks wear or fraying Make sure to check the entire drive belt 6 Replace drive belt if necessary CT E Sytec 16001 Sytec1800i 3 9 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE blank 2219596 CT E Sytec 16001 Sytec1800i 3 10 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 DAS DETECTOR 1 1 PM 0401 Purpose Check Clean Detector Face Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION ROTATION HAZARD WHEN YOU PRESS THE POSN LIGHT BUTTONS WARNING LARGE BUTTON AND SMALL BUTTON THE GANTRY QUICKLY RO TATES TO THE 0 DEG POSITION IF IT IS NECESSARY TO PLACE ANY PART OF YOUR BODY INSIDE OR NEAR THE GANTRY SWIT
27. NDEN F R EINE ENTSPRECHENDE BERSETZUNG ZU SORGEN VERSUCHEN SIE NICHT DAS ZU REPARIEREN BEVOR DIESES KUNDENDIENST HANDBUCH NICHT ZU RATE GEZOGEN UND VERSTANDEN WURDE WIRD DIESE WARNUNG NICHT BEACHTET SO KANN ES ZU VERLETZUNGEN DES KUNDENDIENSTTECHNIKERS DES BEDIENERS ODER DES PATIENTEN DURCH ELEKTRISCHE SCHL GE MECHANISCHE ODER SONSTIGE GEFAHREN KOMMEN ESTE MANUAL DE SERVICIO S LO EXISTE EN INGL S SI ALG N PROVEEDOR DE SERVICIOS AJENO A GEMS SOLICITA UN IDIOMA QUE NO SEA EL INGL S ES RESPONSABILIDAD DEL CLIENTE OFRECER UN SERVICIO DE TRADUCCI N NO SE DEBER DAR SERVICIO T CNICO AL EQUIPO SIN HABER CONSULTADO Y COMPRENDIDO ESTE MANUAL DE SERVICIO LA NO OBSERVANCIA DEL PRESENTE AVISO PUEDE DAR LUGAR A QUE EL PROVEEDOR DE SERVICIOS EL OPERADOR O EL PACIENTE SUFRAN LESIONES PROVOCADAS POR CAUSAS EL CTRICAS MEC NICAS O DE OTRA NATURALEZA GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE REV 1 2219596 e ESTE MANUAL DE ASSIST NCIA T CNICA SO SE ENCONTRA DISPON VEL INGL S e SE QUALQUER OUTRO SERVICO DE ASSIST NCIA T CNICA QUE GEMS SOLICITAR ESTES MANUAIS NOUTRO IDIOMA DA RESPONSABILIDADE DO CLIENTE FORNECER OS SERVICOS DE TRADUCAO e TENTE REPARAR EQUIPAMENTO SEM TER CONSULTADO COMPREENDIDO ESTE MANUAL DE ASSIST NCIA T CNICA e CUMPRIMENTO DESTE AVISO PODE POR EM PERIGO SEGURAN A DO T CNICO OPERADOR OU PACIENTE DEVIDO A
28. TIVE PAGES DATE A PRIMARY REASON FOR CHANGE 1 1998 Initial release Nov 27 1998 Class A Manual release Jan 6 1999 Report MOD Cleaning Apr 2 1999 MOD Cleaning Periodic Maintenance General Schedule PM Report PM Procedure SYSTEM PMO0101 0102 Dec 29 2000 Added Phantom Check 0110 LIST OF EFFECTIVE PAGES ITEM REV ITEM REV ITEM 010 1 GANTRY 504 1 1 0505 PMOTO5 seu 1200302 uestes het 1 0506 iu eres T dBMOSOSS Seren 1 7 PMOTOZ ee 1 04 1 0508 108 1 1 0509 1 0510 PMOTIO NS sein tense 4 07 1 511 PM0512 DAS DETECTOR PM0513 OPERATOR CONSOLE 0401 1 0514 PMO201 1 0402 1 00202 cecus 1 XG PDU PMO208 2 4 20 1 TABLE 0601 204 1 1 050 1 0602 PMOP05 re T 0502 cousin 1 0603 0100206 ru Y 1700503 1 0604 CT E Sytec 16001 Sytec1800i A CT PERIODIC MAINTENANCE 2219596 ITEM REV 605 1 100606 1 607 1 0608 1 PMO609 1 MOD PMOZO see 1 PMOZ02 se vers 1 3 0704 1 APPENDIX 1 to 4 1 Blank Rear Cove
29. Torque 40 kgf cm Illustration 5 8 Proper Anchor Position and Alternative Anchor Position Anchor Bolt Gantry Base Anchor Nut TABLE Anchor GANTRY Adjuster Bubble Level Position Cone Wedge 2 Verify that the Table is in no contact with the floor If not adjust feet for isolation CT E Sytec 16001 Sytec1800i 9 15 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 1 1 PM 0514 Purpose Inspect FANS Estimated Time 0 15 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION Check Cradle Drive assy FAN 1 Switch OFF the Scan switches and switch ON the Table Tilt switch on the Gantry rear base 2 Move the Table to its highest position 3 Move the cradle out its fully retracted position farthest from Gantry Table P9225AM P9225AQ e Remove the cradle and the cradle tray Table 2129568 2129571 e Remove the front bottom table cover 4 Using a flashlight or by feeling for the proper airflow check that the FAN is operating normally 5 The FAN should also be free of dirt and should operate quietly CT E Sytec 16001 Sytec1800i 5 16 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 X RAY GENERATOR PDU 1 1 PM 0601 Purpose Check Clean Radiator FAN Estimated Time 0 10 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION ROTATION HAZARD WHEN YOU PRESS THE POSN LIGHT BUTTONS LARGE BUTTON AN
30. XXXXX AVE XXXXXXX S D MAX XXXXXXX MIN XXXXXXX AVE XXXXXXX Refer to DAS COUNT CHECK in the X RAY GENERATOR tab of the FUNC Note TIONAL CHECK ADJUSTMENT Manual 8 CT E Sytec 16001 Sytec1800i 1 8 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 SYSTEM 1 1 PM 0109 Purpose Image Performance Estimated Time 1 00 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Perform Image Performance Check Refer to the following items in the SYSTEM tab of the FUNCTIONAL CHECK 1 a Note ADJUSTMENT Manual DI e Image Performance 2 Ifthe measure value is out of specification perform the following e KV and mA Check e Calibration Phantom Calibration e CT Number Adjustment BOET Refer to the following items the SYSTEM tab and X RAY GENERATOR tab 3 Note of the FUNCTIONAL CHECK ADJUSTMENT Manual e KV and mA Check e Calibration e CT Number Adjustment After Calibration or CT Number adjustment perform Image Performance Check again CT E Sytec 16001 Sytec1800i 1 9 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 SYSTEM 1 1 PM 0110 Purpose Phantom Check Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION Verify visually that phantoms are intact from any damage or scratches which affect the use CT E Sytec 16001 Sytec1800i 1 10 GE M
31. ains 417 5007 ON Power connection to the mains Warning HIGH VOLTAGE Emergency Stop roe CT E Sytec 16001 Sytec1800i GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE REV 1 2219596 Symbol Publication Description 417 5339 X ray Source Assembly Emitting 417 5009 Standby c Intercom 2 on Operator Console Power On light on Standby light off CT E Sytec 16001 Sytec1800i A 2 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE REV 1 2219596 Symbol Description Microphone Mic Contrast Brightness System storage prior to installation Maintain storage temperature between 10 C and 60 C System storage prior to installation Maintain non condensing storage humidity below 9596 DO NOT store system longer than 90 days Excluding Condensation System storage and shipment Air Pressu re Maintain Air Pressure between 750 and 1060hPa 50 1060hPa CT E Sytec 16001 Sytec1800i GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE REV 1 2219596 CLASS 1 EQUIPMENT Any permanently installed equipment containing operator or patient accessible surfaces must provide backup protec tion against electric shock in case the BASIC INSULATION fails In addition to BASIC INSULATION Class1 equip ment contains a direct connection to a PROTECTIVE EARTH CONDUCTOR which prevents
32. be eH EK ER aies Sat Check Gantry Table interlock Image Quality oystem Image Check Image Gantry Clean Mylar Ting COVOl DAS Detector Check Clean Detector face Comment Field Engineer ID CT E Sytec 16001 Sytec1800i GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE REV 4 2219596 CT Eu Sytec 1600 Sytec 1800 PM Report 2 2 Check Item Result System Performance oystem Pettorm Filter CUIVE TES cus oae dele actus aline cui Check Ground Cable Terminals Check DAS COUNT Image Performance Console A IIS DOC EAINS diodes duod dep du ed Verify Track Ball for smooth operation Clean Display monitor Touch panel Console exterior Console interior Check Cables Power Cable Terminals Gantry Check Rotation Safety Verify cables and hardware are tight Gantry Cover Cleaning CHeck Positioning LIONE Check Gantry Anchor
33. d from the cylinder pump hoses etc Verify that the Table does not lower on its own when the Table is left unoperated for some time CT E Sytec 16001 Sytec1800i 5 13 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 1 1 PM 0512 Purpose Grease up Estimated Time 0 20 SPECIAL TOOLS SUPPLIES e SHELL ALVANIA grease 2 or equivalent PREREQUISITES e None TASK DESCRIPTION 1 Remove the cradle the cradle tray and the bottom Table cover 2 Apply grease SHELL ALVANIA grease 2 or equivalent to the joint bearings total eight 8 bearings of the table linkage Pack grease between the inner and outer races of the ball bearing using your finger 3 Apply grease SHELL ALVANIA grease 2 or equivalent to the piston rod surface of the hydraulic cylinder Illustration 5 7 Table Bearing Grease Up Bearing both sides Piston Rod BENE NL ET Bearing both sides CT Eu Sytec 16001 Sytec1 800i 5 14 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 1 1 PM 0513 Purpose Check Table anchors Table isolation Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Inspect that the Table is firmly anchored to the floor by four bolts and that no cracks exist on the insulating plate for each anchor bolt If any anchor bolts are loose tighten it to the specified torque e Specified
34. e power to the Operator Console is OFF 2 Remove the Operator Console Front cover ON power to the Operator Console 4 Using a flashlight or by feeling for the proper airflow check that the FAN is operating normally 5 FANS should also be free of dirt and should operate quietly If any FAN is defective replace the unit mier e Six 6 at upper rear side of the Operator Console Note e One 1 behind the 5VDC power supply 7 e Nine 9 at the bottom of the nest chassis Illustration 2 2 FAN Location CT E Sytec 16001 Sytec1800i 2 9 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 OPERATOR CONSOLE 1 1 0204 Purpose Verify Tackball for smooth operation Estimated Time 0 15 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Verify that the power to the Operator Console is ON 2 Check that the trackball operate smoothly in all directions without jittering 3 Display crosshair cursor on the monitor 4 Verify that the trackball movement is smooth If not smooth clean 2 shafts on the trackball unit with alcohol and cotton swab See illustration 2 3 Illustration 2 3 Trackball Check Note _ Check also the trackball on the Diagnostic Console if installed CT E Sytec 16001 Sytec1800i 2 4 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 OPERATOR CONSOLE 1 1 PM 0205 Purpose Clean Display monitor Touch pan
35. el Console exterior Estimated Time 0 15 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Verify that the power to the Operator Console is OFF 2 Remove the CRT cover and its front cover Clean the CRT screen using Glass Cleaner etc Clean also the plasma display do not use any alcohol for the black seal surrounding the plasma panel Note Be careful not to bump the display monitor contrast and brightness knobs CT E Sytec 16001 Sytec1800i 2 5 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 OPERATOR CONSOLE 1 1 0206 Purpose Check Cables Power Cable Terminals Estimated Time 0 10 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Verify that the power to the Operator Console is OFF 2 Remove the Operator Console front cover 3 Verify that all the cables within the Operator Console are properly installed secured In particular inspect well the 5VP S cables where they connect to the 5V power bar These must not be loose 4 Lower the to a safe position on the floor 5 Remove the two 2 rubber caps and two 2 screws from the top of the Operator Console and remove the top COVer 6 Switch OFF the Operator Console power breakers Refer to illustration 2 4 7 Verify that the power cables AC 100 V are securely connected on terminals within the Operator Console Illustration 2 4 Power Cable Terminal Check Securely Fixed
36. heck DAS Count A 0 15 PM0109 System Image Performance A 1 00 PM0202 O C Clean Air Filter A 0 10 0203 Inspect FANs A 0 10 PM0204 O C Verify Track Ball for smooth operation A 0 15 0205 Clean Display monitor Touch panel Console exterior interior A 0 15 0206 Check Cables Power Cable Terminals A 0 10 PM0301 Gantry Check Rotation Safety A 0 15 PM0303 Gantry Verify cables and hardware are tight A 0 15 0304 Gantry Gantry cover cleaning A 0 10 PM0305 Gantry Check Positioning light A 0 10 PM0306 Gantry Check Gantry anchor Gantry Isolation A 0 05 0307 gt Check drive belt wearing A 0 05 PM0402 Verify Detector Heater Control A 0 05 PM0510 Tabs Clean Cradle tray Table cover A 0 15 PM0511 Table Check for Oil Leakage 0 05 PM0512 Table Grease up 0 20 PM0513 Table Check Table anchors Table isolation 0 05 PM0514 Table Inspect FANs A 0 15 PM0601 XG PDU Check Clean Radiator FAN A 0 10 PM0602 XG PDU Check X ray tube oil and HV connector A 0 20 PMO603 XG PDU Check HV Tank and HV connector A 0 20 0604 XG PDU Check HV cable connection A 0 05 PMO606 XG PDU Check Parts 0 10 0607 XG PDU Check KV and mA PMO608 XG PDU Inspect FANS 0609 XG PDU Check Power Cable Terminals A A 0 30 0 05 A 008 H gt H Check HV cable connection 3 A 005 5100605
37. ils is securely attached If the Velcro tape has come off replace it e Check that the attachment rails are not damaged or cracked If damaged replace them e Check that the cradle rails are not damaged or cracked If damaged replace the cradle as an assembly Illustration 5 1 Cradle Rail Velcro Tapes P9145SE Cradle Attachment Rail Both sides P9155HX includes 2 rails Cradle Rails CT E Sytec 16001 Sytec1800i 5 5 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 2 2 PM 0505 Purpose Check Cradle Rail Estimated Time 0 05 e Setthe body strap to the attachment rails then pull the strap by the force of approx 15 kgf using a spring balance Verify that the the strap do NOT be removed from the rail If not replace the attachment rail See Illustration 5 2 Illustration 5 2 Body Strap Attachment Approx 15kgf Attachment Rail Body Strap Cradle Rail Cradle Attachment Strap Type 1 Check the cradle for the following See Illustration 5 3 e Check that the Velcro tape of the cradle edge rails is securely attached If the velcro tape has come off replace it e Setthe attachment strap and body strap to the Velcro tape as shown then pull the body strap by the force of approx 15 kgf using a spring balance Verify that the strap do NOT be removed from the Velcro tape If not when attachment strap is correct replace the Velcro tape Illustration 5
38. n operation The General Electric Company Medical Systems Group will be glad to assist and cooperate in placing this equipment in use Although this apparatus incorporates a high degree of protection against x radiation other than the useful beam no practical design of equipment can provide complete protection Nor can any practical design compel the operator to take adequate precautions to prevent the possibility of any persons carelessly exposing themselves or others to radiation It is important that everyone having anything to do with x radiation be properly trained and fully acquainted with the recommendations of the National Council on Radiation Protection and Measurements as published in NCRP Reports available from NCRP Publications 7910 Woodmont Avenue Room 1016 Bethesda Maryland 20814 and of the International Commission on Radiation Protection and take adequate steps to protect against injury The equipment is sold with the understanding that the General Electric Company Medical Systems Group its agents and representatives have no responsibility for injury or damage which may result from improper use of the equipment Various protective material and devices are available It is urged that such materials or devices be used 4 CERTIFIED ELECTRICAL CONTRACTOR STATEMENT All electrical installations that are preliminary to positioning of the equipment at the site prepared for the equipment shall be performed by licensed electrical
39. ng normally 2 Check the operating of scan abort for the following a Perform an axial scan b Press the Abort switch on the Operator Console while performing a scan and verify that X ray exposure is terminated CT E Sytec 16001 Sytec1800i 1 2 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 SYSTEM 1 1 0103 Purpose Caution label check Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Every caution label is securely attached to the Table front end If they have come off replace them See illustration 1 2 Illustration 1 2 Caution Label Location Caution Label CT E Sytec 16001 Sytec1800i 1 3 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 SYSTEM 1 1 0104 Purpose Image Check Image Performance Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Setthe water phantom to the phantom holder 2 Perform axial scans and verify that the image has no artifact 3 Verify that the water CT number and air CT number equal 0 3 and 1000 5 respectively 4 Ifthe means and standard deviations out of specifications or artifacts are present schedule time to look into possible problems CT E Sytec 16001 Sytec1800i 1 4 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 SYSTEM 1 1 PM 0105 Purpose Check error log Estimated Time 0 05 SPECIAL
40. nt or copy the schedules TOOLS GENERAL TOOLS Service Manuals Socket Head Wrench Set Torque Wrench Protractor Oscilloscope Digital Multimeter Grease Shell Alvania 2 or equivalent Alcohol ethyl alcohol no water addition or isopropychol disinfectant alcohol CRC of equivalent 040 etc Cloth Kim Wipe or equivalent ooft tissue Glass Cleaner Dust bag Vacuum Cleaner MOD Cleaner kit Film Holder Developer and type52 Polaroid Film For X ray alignment adjustment not used in the PM Densitometer RS232C Terminal e g J3100 SPECIAL TOOLS HV Divider HV Cables and Wrench for HV Cable Silicone Oil Grease Gun CT E Sytec 16001 Sytec1800i 1 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE blank 2219596 CT E Sytec 16001 Sytec1800i 2 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE REV 4 2219596 SCHEDULE Recommended PM frequency is one time a year for CT Eu Sytec 1600 Sytec 18001 scanners The frequency may vary due to local ordinance and the usage of the system the system availability etc If you need more PMs order extra copies of this document or copy the schedules Priority Code Pr Priority Description 1 Safety and Regulatory 2 Image Quality 3 Procedures that make the system unavailable for scanning 4 Procedures that can be performed while the customer is scanning Frequency Code Fr Frequency Description A Annually every 12 months
41. ntry Console PDU Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Press an emergency OFF switch on the Gantry front panel and verify that the power for Table Gantry Servo Amp Gantry control and Table Tilt is removed 2 Turn the power switch of the Operator Console OFF then ON again Verify that all systems including Table Gantry are turned ON 3 Repeat this check for all the other emergency switches on the Gantry six in all PDU and Operator Console See illustration 1 1 e Two 2 switches on the Gantry front panel e Four 4 switches on the Gantry frame e One 1 switch on the PDU cabinet e One 1 switch on the Operator Console Illustration 1 1 Emergency Switch Location Emergency Switch CT E Sytec 16001 Sytec1800i 1 1 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 SYSTEM 1 1 0102 Purpose Check x ray on lights and buzzer Operation of scan abort Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION Do not enter scan room unprotected when x rays are present 1 Check the X ray ON lights and X ray buzzer for the following a Perform an axial scan b Verify that the X ray buzzer is heard during X ray exposure c Verify that the X ray ON lights illuminates on the Gantry front panel d Verify that the X ray room Gantry room warning lights connected to the system are operati
42. owing procedures wait more five minutes since last scan Switch OFF the Scan switch on the rear Gantry base Remove all the Gantry covers front rear and both sides Turn ON the service switch on the Sub board Rotate the Gantry to the 90 degree position and insert the Azimuth lock pin Turn OFF the service switch on the Sub board 2 d Disconnect the HV cables from the X ray tube Illustration 6 2 HV Cable and X ray Tube a X n CT E Sytec 16001 Sytec1800i 6 7 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 X RAY GENERATOR PDU 2 3 PM 0607 Purpose Check KV and mA Estimated Time 0 30 8 Connect the HV cables disconnected to step 7 to one side of the divider illustration 6 3 9 Connect the cables from other side of the divider to the X ray tube illustration 6 3 Illustration 6 3 HV Divider Connection ANODE ANODE From N High Voltage Tank C6766 From P High Voltage Tank CATHODE CATHODE HV DIVIDER 10 Select the multimeter to the voltage mode and connect the probes to the HV divider s terminal corresponding to anode and ground Illustration 6 4 High VoltageMeasurement Anode Side Voltage Mode Digital Multi Meter 11 Place the multimeter in the position that can be seen from the Operator Console CT E Sytec 16001 Sytec1800i 6 8 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 X RAY GENERATOR
43. r GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE blank 2219596 CT E Sytec 16001 Sytec1800i B GE MEDICAL SYSTEMS REV 4 CONTENTS GENERAL Introduction Tools CT PERIODIC MAINTENANCE 2219596 CT PM Schedule CT PM Report CT PM PROCEDURE System PMO101 0102 0103 0104 0105 0106 0107 0108 0109 0110 Console PMO201 PM0202 PM0203 PM0204 PMO205 PM0206 Gantry PM0301 0302 PM0303 PM0304 0305 PM0306 PM0307 DAS Detector 0401 0402 CT Ey Sytec 16001 Sytec1 800i Verify Emergency OFF buttons Gantry Console PDU Check X ray ON lights or buzzer Operation of scan abort Caution Label Check Image Check Image Performance Check Error Logs Perform Filter Curve Test Check Ground Cable Terminals Check DAS Count Image Performance Phantom Check Verify Audio Function Clean Air Filter Inspect FANs Verify Track Ball for smooth operation Clean Display monitor Touch panel Console exterior Console interior Check Cables Power Cable Terminals Check Rotation Safety Clean Mylar ring cover Verify cables and hardware are tight Gantry Cover Cleaning Check Positioning Light Check Gantry Anchor Gantry Isolation Check drive belt for wear Check Clean Detector face Verify Detector heater control GE MEDICAL SYSTEMS REV 4 CONTENTS CT PM PROCEDURE CONTINUED Table CT PERIODIC MAINTENANCE 2219596 PMO0501 PMO502 PMO503
44. spection by the carrier A transportation company will not pay a claim for damage if an inspection is not requested within this 14 day period Call Traffic and Transportation Milwaukee WI 414 827 3449 8 285 3449 immediately after damage is found At this time be ready to supply name of carrier delivery date consignee name freight or express bill number item damaged and extent of damage Complete instructions regarding claim procedure are found in Section S of the Policy amp Procedure Bulletins OMISSIONS amp ERRORS GE personnel please use the GEMS Process to report all omissions errors and defects in this documentation Customers please contact your GE Sales or Service represenatives CAUTION Do not use the following devices near this equipment Use of these devices near this equipment could cause this equipment to malfunction Devices not to be used near this equipment Devices which intrinsically transmit radio waves such as cellular phone radio transceiver mobile radio transmitter radio controlled toy etc Keep power to these devices turned off when near this equipment Medical staff in charge of this equipment is required to instruct technicians patients and other people who may be around this equipment to fully comply with the above regulation CT E Sytec 16001 Sytec1800i d GE MEDICAL SYSTEMS REV 4 PAGE ITEM REV Title page atod Jul LIST OF EFFEC
45. t MOD does NOT contain it Therefore this maintenance item can be skipped for a Half height MOD 1 Turn the Operator Console OFF Turn the MOD upside down the two screws and filter cover 2 3 4 Remove the air filter assy from MOD 5 Clean the filter using a vacuum cleaner or replace it if necessary 6 Install the air filter assy into the MOD with the arrow mark facing to the front with the grill of the filter case facing to the front 7 Install the filter cover with the its fixing tab Illustration 7 1 Full Height MOD Facing to the Front Air Filter Assy Fixing Tab Full Height MOD CT E Sytec 16001 Sytec1800i 7 1 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 MOD 1 1 0702 Purpose Inspect FANS Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Verify that the FAN of the MOD are operating CT E Sytec 16001 Sytec1800i 7 2 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 MOD 1 1 0703 Purpose Dry Wet Cleaning Full Height HITACHI MOD only Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e MOD Cleaner Kit PREREQUISITES e None TASK DESCRIPTION Dry Cleaning e Instruct the user to perform this procedure once week e After using 10 times replace the cleaning brush U0027ZA e Keep the brush in place that is free from dust and any external force 1
46. tops Repeat this for all touch sensors 2 1 To resume the Table down motion first move the Table slightly UP then perform the Table DOWN operation CT E Sytec 16001 Sytec1800i 5 9 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 1 1 0508 Purpose Verify Unlatch Function Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Place a person or a suitable weight substitute on the cradle 2 Drive the cradle to the furthest out position from the Gantry 3 Move the cradle into the Gantry by pushing the IN button 4 During cradle movement push the Latch SW The cradle should stop moving and the Gantry Display should go blank indicating that the cradle is unlatched 5 Push the Latch SW again 6 Release the IN button then push it and verify that the cradle starts to move and the Gantry Display changes to normal millimeters 7 Repeat the same check for the opposite unlatch switch Illustration 5 6 Unlatch Switch Location Cradle Gantry Side One Unlatch Switch per Side Total 2 RIGHT SIDE VIEW OF TABLE CT E Sytec 16001 Sytec1800i 5 10 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 1 1 0509 Purpose Check Gantry Table interlock Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Raise the Table to the highest position 2 the Gantr
47. urfaces Use only warm water and mild liquid soap to clean surfaces CT E Sytec 16001 Sytec1800i A 4 GE Medical Systems GE Medical Systems Telex 3797371 Box 414 Milwaukee Wisconsin 53201 U S A Asia Pacific Latin America North America GE Medical Systems Europe Telex 698626 283 rue de la Mini re B P 34 78533 Buc Cedex France
48. vice switch on the Sub board 11 Set the TGP service switch to OFF FIX SLOW OCW position and then to MNL FIX SLOW CW position 12 Verify that the Gantry dose not rotate 13 Turn ON the service switch on the Sub board 14 Rotate the Gantry in the CW direction by hand until the home position If the limit ball remains trapped by the limit switch release the limit switch by pushing the limit ball down 15 Unhook the actuator hook of the limit switch Illustration 3 2 Limit Switch Actuator 16 Turn OFF the Control switch wait a few seconds and turn it ON again 17 Verify that the GLIMIT LED on the board is OFF 18 Repeat the steps 8 thru 17 for CW direction CT E Sytec 16001 Sytec1800i 3 2 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 GANTRY 3 3 PM 0301 Purpose Check Rotation Safety Estimated Time 0 15 19 Rotate the Gantry to the 6 o clock position 20 Push ON the Cable Switch This switch detects if the take up cable is loose Illustration 3 3 Cable Switch Cable Switch 21 Verify that the GLMIT LED on the TGP board is ON 22 Turn OFF the Control switch wait a few seconds and turn it ON again 23 Verify that the GLIMIT LED on the TGP board is OFF 24 Turn OFF the service switch on the Sub board 25 CT E Sytec 16001 Sytec1800i 3 3 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 GANTRY 1 1 PM 0302 Purpose Clean Myla
49. y ring cover Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION Use proper procedures to avoid blood borne pathogens The maintenace tasks which follow include procedures concerned with the cleaning of equipment Table Tray Gantry Cover etc Refer to local company guidelines for those procedures especially where body fluids or other possible contaminates are present 1 Check the Mylay ring cover for the following e Check that no scratches or damage are present on the Mylar ring cover e Check that the ring surface is clean free of contrast agent or smudge if not clean it e Contrast agent can be wiped clean using warm water Check that the ring is properly installed in the Gantry opening CT E Sytec 16001 Sytec1800i 3 4 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 GANTRY 1 1 PM 0303 Purpose Verify cables and hardware are tight Estimated Time 0 15 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION ROTATION HAZARD WHEN YOU PRESS THE POSN LIGHT BUTTONS WARNING LARGE BUTTON AND SMALL BUTTON THE GANTRY QUICKLY RO TATES TO THE 0 DEG POSITION IF IT IS NECESSARY TO PLACE ANY PART OF YOUR BODY INSIDE OR NEAR THE GANTRY SWITCH OFF THE SCAN SWITCH FIRST 1 Set the Gantry to the 0 tilt position and lower the table to its lowest position 2 Switch OFF the Scan and Table Tilt switches at the Gantry rear base
50. y to the 0 deg position 3 Move the cradle to an position except the out limit position 4 Move the Table down until it stops automatically this is the interlock position but that the cradle in out function can still operate 5 Move the cradle to the out limit position 6 Verify that the Table can be lowered to the lowest position 7 Repeat steps 1 through 3 with other tilt angles CT E Sytec 16001 Sytec1800i 5 11 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 1 1 PM 0510 Purpose Clean cradle tray Table cover Estimated Time 0 15 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Clean Table covers and cradle Use proper procedures to avoid blood borne pathogens The maintenace tasks which follow include procedures concerned with the cleaning of equipment Table Tray Gantry Cover etc Refer to local company guidelines for those procedures especially where body fluids or other possible contaminates are present a Clean dust from the Table top cover tray using a vacuum cleaner b Clean the Table covers c Be sure to wipe off contrast from the cradle edge extrusion CT E Sytec 16001 Sytec1800i 5 12 GE MEDICAL SYSTEMS CT PERIODIC MAINTENANCE 2219596 TABLE 1 1 PM 0511 Purpose Check for Oil Leakage Estimated Time 0 05 SPECIAL TOOLS SUPPLIES e None PREREQUISITES e None TASK DESCRIPTION 1 Verify that no oil has leake
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