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Graseby 3400 Anaesthesia Syringe Pump TECHNICAL SERVICE MANUAL Document Number 00SM-0132 Issue 6.0...
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All possible care has been taken in the preparation of this publication, but SIMS Graseby Limited accepts no liability for any inaccuracies that may be found. SIMS Graseby reserves the right to make changes without notice both to this publication and to the product which it describes.
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SIMS Graseby Ltd. , i i Page ii Issue 6.2 (Feb 01) 3400 Service Manual...
Max rate ..................2-3 Diagnostic mode ................. 2-4 Calling up the Diagnostic mode ........... 2-4 Moving to the next parameter ............2-4 Diagnostic displays ..............2-4 Exiting from the Diagnostic mode ..........2-5 Page iii 3400 Service Manual Issue 6 (July 00)
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Battery voltage low ..............3-3 Self tests/pump malfunction ............3-3 Drive disengaged, or syringe not fitted ........3-3 Syringe sizing system ..............3-3 Software ....................3-4 Design methods ................3-4 Self tests ..................3-4 Page iv Issue 6 (July 00) 3400 Service Manual...
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Plug PL11 outputs ..............4-8 Setting RV1 ................4-8 Size sensors and board ..............4-9 Opto sensors and board ..............4-9 Umbilical board connections ............. 4-9 Umbilical cable connector ..............4-9 Page v 3400 Service Manual Issue 6 (July 00)
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Introduction ..................6-1 Plunger clamp alarm checks ............... 6-4 Ramp check procedures .............. 6-4 Linear accuracy ..................6-5 Test procedures ................6-5 Plunger clamp alignment ..............6-5 Test procedures ................6-5 Page vi Issue 6 (July 00) 3400 Service Manual...
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Warnings ..................... A-2 Caution ....................A-2 Opening the case ................A-2 Removal of old SSF ................A-2 Reassembly ..................A-3 Final testing ..................A-3 Setting the Size Sensor Flag .............. A-4 Page vii 3400 Service Manual Issue 6 (July 00)
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Page Front view of the 3400 pump ............1-2 Thrust measuring set up .............. 2-7 Overall block diagram of the 3400 system ......... 4-10 Main board block diagram ............4-11 Processor core circuit diagram ..........4-12 Motor interface circuit diagram ..........4-13 Power control circuit diagram.............
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Leadscrew assembly ..............7-9 Opto sensors board assembly ........... 7-10 Size sensors board assembly ............ 7-11 Main board assembly ..............7-12 Regulator board assembly ............7-15 Distribution board assembly ............7-17 Page ix 3400 Service Manual Issue 6 (July 00)
Warnings and cautions SIMS Graseby Ltd. General This Technical Service Manual (TSM) together with the Instruction Manual for the 3400, contains the information that is required in order to carry out the following actions to the pump: • operation, •...
INTRODUCTION, FEATURES, CLASSIFICATION AND SPECIFICATION Introduction The 3400 anaesthesia syringe pump (Fig. 1.1) is based on a micro-controller design and has been purpose developed by Graseby for the administration of anaesthetics, mainly in a hospital operating theatre. The pump allows a Manually Controlled Infusion, and/or a bolus to be infused using the normal brands of syringe.
Nearly Empty alarm; etc., • designed in consultation with users. Classification The following classification information applies to the 3400, and is to the IEC 601-1:1988 requirement. Insulation The pump is a Class II (double insulated) device. Also classified as internally powered equipment.
Specification SIMS Graseby Ltd. Graseby pumps are subject to continual development and the 3400 may, therefore, differ Specification slightly from the following specification: Dimensions: 325 mm (long) x 195 mm (high) x 115 mm (deep) with the pole clamp fitted and the plunger clamp closed.
A larger liquid crystal display was used on the 3400 with the ability to display text in different sizes, also ‘soft-keys’ were used to make the user interface simpler. The range of syringe sizes that could be used was also increased. For more advanced applications the pump could be controlled by a computer.
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A large text vacuum fluorescent display was added, and the increased syringe size range of the 3400 remained. A DC input supply (10 V to 28 V DC) version of the 3200 is also manufactured by SIMS Graseby. This variant is primarily intended for use in an aviation environment.
WARNING The Configuration Mode must only be used by personnel who have been appropriately trained in using the 3400. The Configuration mode allows various parameters to be made available, which in turn allows various settings within these parameters to be set to the values required for the infusion.
Diagnostic The Diagnostic mode must only be used by appropriately qualified personnel. mode The 3400 has been designed so that the Diagnostic mode parameters will only be available if a set sequence of pump buttons are pressed. Calling up With the AC power connected and switched on (or under internal battery power) press the the Diagnostic ON button.
The screws should be tightened to a torque of between 70 and 75 cNm, and in the order shown in the diagram below: GM0595-B 3400 Service Manual Issue 6 (July 00) 2 — 5...
The thrust of a particular pump may, therefore, differ from the original factory set level. The occlusion thrust of the 3400 pump is factory set at Graseby’s to be between 5.7 kg and 6.2 kg (767 mmHg and 834 mmHg).
The thrust checks that are detailed below use the weights that correspond to the factory set Thrust checks occlusion threshold levels for a 3400 (i.e. 5.7 and 6.2 kg). If a different occlusion level setting is required then the weights will have to be adjusted accordingly. The thrust adjustment procedures are detailed on page 2-8.
In order to obtain the thrust required it may be necessary to repeat steps 2 to 7 above. Finalise the assembly of the pump casing (see page 2-5). 10. Carry out tests No 9 and 10 detailed in the functional test procedures (see page 6-3). 2 — 8 Issue 6 (July 00) 3400 Service Manual...
FUNCTIONAL DESCRIPTIONS Introduction This Chapter explains how the 3400 operates. Reading this chapter will help a technician to rectify any possible faults that may occur within the pump. The functional descriptions of the pump may be divided into five separate areas, and each...
Mechanical The mechanical characteristics of the system are: characteristics • Gearbox reduction ratio: 150:1. • Leadscrew pitch: 1.587 mm. • Syringe characteristic: 1 ml/1.8 mm (BD 60 ml syringe). 3 — 2 3400 Service Manual Issue 6 (July 00)
Introduction In addition to the occlusion sensing system (see page 3-2) the following sensing systems are also operative within the 3400. Syringe A metal flag protrudes from the left hand side of the half nut (in parallel with the leadscrew), nearly empty this is the nearly empty flag.
ROM test (16 bit CRC). • RAM test. • Power supply voltage test. • Keyboard test. This test checks for shorted keys. The pump’s settings are stored in EEPROM in the processor. 3 — 4 3400 Service Manual Issue 6 (July 00)
CHAPTER 4 CIRCUIT DESCRIPTIONS Introduction This Chapter describes the action of the circuits that are used to operate the 3400 and also shows the associated circuit diagrams and circuit board layouts. The 3400 contains five separate circuit boards, as follows: •...
IC9 for its operating software. Pins 44 and 43 on IC12 are held at Vcc and ground (respectively) as the reference inputs to the processor’s built in A to D converter. 4 — 2 Issue 6 (July 00) 3400 Service Manual...
IC12 will change the duty cycle of the PWM output. By using this feedback system the speed of the motor can be closely controlled to within set limits. 3400 Service Manual Issue 6 (July 00) 4 — 3...
Vcc’, of 3 V. Sensors interface circuit Introduction The six opto-sensors (Fig. 4.16 and 4.18) used in the 3400 are multiplexed onto three lines into the processor and are used to carry out sensing functions that include the following: •...
The four columns of the matrix, pins 9 to 12 on PL2 (inclusive), are connected to IC1, the parallel out serial register. As each column is pulled low , the status of each button in that column is input to the processor. 3400 Service Manual Issue 6 (July 00) 4 — 5...
Q4 and the associated components C3, R6, R12 and R17 constitute a low pass filter which allows the PWM signal (SOUND) from the processor, to activate the sounder. The sounder is connected to plug PL1. 4 — 6 Issue 6 (July 00) 3400 Service Manual...
SIMS Graseby Ltd. Regulator board Regulator board circuit The 3400 utilizes a primary switching power supply, as shown on Figures 4.11, 4.12 and Introduction 4.13, thus allowing the pump to operate with an AC input voltage between 100 V and 250 V.
This method of design means that only the ribbon cable and the batteries connector link the two case halves, thus facilitating, when required, ease of servicing. 3400 Service Manual Issue 6 (July 00) 4 — 9...
FAULT CODES, CLEANING AND REPAIRS Fault codes Comprehensive fault codes have been designed into the 3400 so that should a fault occur it can easily be identified. The Fault code numbers are used to indicate the type of fault that has occurred.
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External interference... Check communication link and (Comms.) fault. e.g. static interference interface cable. or R.F. interference. Circuit fault. Return to SIMS Graseby. Internal fault. External interference... Relocate the pump. e.g. static interference or R.F. interference. Circuit fault. Return to SIMS Graseby.
Cleaning CAUTION The 3400 must not be immersed in any liquids. Immediately wipe off any liquid that may be spilt on the pump. The outer surfaces of the pump can be cleaned by wiping them over with a damp cloth (a dilution of soapy water may be used if necessary).
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Once the required access has been obtained and the repair carried out the tray can be refitted by replacing the fixing screw, and the casing closed as detailed on page 2-5. 5 — 4 Issue 6 (July 00) 3400 Service Manual...
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(see Fig. 7.1 and 7.2). Remove and retain the two brackets. Carefully easing out the flag from its housing, lift up the square lay shaft and toggle mechanism. (contd.) Issue 6 (July 00) 5 — 5 3400 Service Manual...
The motor and gearbox are coupled to the right hand end of the leadscrew assembly. Uncouple the leadscrew assembly from the gearbox by pulling it away from the gear box shaft. 5 — 6 Issue 6 (July 00) 3400 Service Manual...
Fit a new clutch and disc assembly by reversing steps 2 to 4 detailed above, and then assemble the casing as detailed on page 2-5. Carry out the thrust checks and plunger clamp checks/adjustments as detailed on page 2-7 and 6-3 respectively. Issue 6 (July 00) 5 — 7 3400 Service Manual...
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Assemble the casing as detailed on page 2-5. Super nut Early 3400 pump's were fitted with a half nut, and in May 1999 the half nut was replaced with renewal a three-quarter super nut. The following procedures only make reference to the presently installed super nut, which is a direct replacement for the original half nut.
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Fit a new sensor board by reversing steps 2 to 6 detailed above, and then close the casing as detailed on page 2-5. Carry out the syringe size sensors tests as detailed on page 6-1. Issue 6 (July 00) 5 — 9 3400 Service Manual...
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If an old style front or rear case becomes damaged and requires replacing then the appropriate repair kit is available from SIMS Graseby. There are two kits (front or rear case) which each contain all the necessary instructions and parts to carry out a repair.
Case screws (6 off) 5001-0345 M4x12 pozi pan These items may be obtained individually. Note: The Case rear label will be Country dependent, and can be supplied, e.g. 0132-0091 240 V English Issue 6 (July 00) 5 — 11 3400 Service Manual...
Syringe size 60 displayed Note: SIMS Graseby manufacture a set of 18 Syringe Size Sensor gauges (Part No. 0131-0202, see Appendix page A-5). The SIMS Graseby Customer Care Department is able to take orders for these gauges and will supply the current price. This set of gauges enables test No.
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Infusion Check that the infusion rate The displayed rate of infusion rate. can be changed changes. (see Instruction Manual). Press STOP. The pump changes to its set-up mode. (contd.) Issue 6 (July 00) 6 — 2 3400 Service Manual...
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... START the pump. ENDED (KVO=.5) appears. Note: When carrying out test No. 11(ii) on a Perfusor pump ensure that the syringe is set to a minimum of 18 ml. 3400 Service Manual Issue 6 (July 00) 6 — 3...
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3. Two new thicker washers (Part No. 5014-3020) in place of the previously fitted thinner washers on the status sensors board. New square style flag Old ramp style flag Notch New style plate GM1087-A Issue 6 (July 00) 6 — 4 3400 Service Manual...
Run the pump for 5 seconds. Using the taper gauge check that the front edge of the plunger clamp is between 8.0 mm and 10 .0 mm above the surface of the case. 3400 Service Manual Issue 6 (July 00) 6 — 5...
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CHAPTER 7 ILLUSTRATED PARTS LIST 3400 ANAESTHESIA SYRINGE PUMP...
3400 Illustrated Parts List SIMS Graseby Ltd. CHAPTER 7 ILLUSTRATED PARTS LISTS Figure 7.1 General assembly Item Description Part number Remarks Model 3400 English 0132-0001 110 V model 0132-0701 German 0132-0707 Zeneca 0132-0710 German Perfusor 0132-0714 English with Euro mains plug...
SIMS Graseby Ltd. 3400 Illustrated Parts List Figure 7.1 General assembly (contd) Item Description Part number Remarks Case screws 5001-0345 6 required Motor and gearbox assembly 0132-0015 Leadscrew assembly 0132-0086 See Fig. 7.4 Occlusion sensing assembly 0131-0067 Support tube 0127-0047 Plunger clamp assembly See Fig.
Sims Graseby Ltd. 3400 IPL Figure 7.1 General assembly 3400 Service Manual 7 — 3 Issue 6 (July 00)
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SIMS Graseby Ltd. 3400 Illustrated Parts List 7 — 4 Issue 6 (July 00) 3400 Service Manual...
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3400 Illustrated Parts List SIMS Graseby Ltd. Figure 7.1 General assembly (contd) Item Description Part number Remarks — Technical service manual 00SM-0132 Not illustrated — Size sensor gauge set 0131-0202 Not illustrated Kit contains the following items: 18 size sensor gauges.
SIMS Graseby Ltd. 3400 Illustrated Parts List Figure 7.2 Plunger clamp and half nut assemblies Item Description Part number Remarks Plunger clamp and half nut assemblies Plunger clamp and tube 0127-0044 Plunger clamp cover and internal kit 0131-0239 Kit contains the following items: Plunger clamp cover, Plunger clamp lock,...
3400 Illustrated Parts List SIMS Graseby Ltd. Fig. 7.3a Pole clamp assembly: non-rotating Item Description Part number Remarks Pole clamp assembly (new version) 0131-0129 See Fig. 7.3a GM0800-A Figure 7.3a Pole clamp assembly - Non-rotating 3400 Service Manual Issue 6 (July 00)
SIMS Graseby Ltd. 3400 Illustrated Parts List Figure 7.5 Opto sensors board assembly Item Description Part number Remarks Opto sensors board assembly 0128-0090 Note: The items below are for reference only and are not available as spare parts Opto interrupter HOA 0875-051...
3400 Illustrated Parts List SIMS Graseby Ltd. Figure 7.6 Size sensors board assembly Item Description Part number Remarks Size sensors board assembly 0130-0017 Note: The items below are for reference only and are not available as spare parts Size sensor moulding...
3400 Illustrated Parts List SIMS Graseby Ltd. Figure 7.8 Regulator board assembly - AC Power Item Description Part number Remarks Regulator board assembly 0128-0013 Fuse cover 3412-0228 FS1, Fuse 500 mA 5 x 20 mm, 3410-3705 UL-BUSSMANN S500 FS2, Fuse 1A 5 x 20 mm...
SIMS Graseby Ltd. 3400 Illustrated Parts List Figure 7.8 Regulator board assembly - AC power (contd) Item Description Part number Remarks R13, Res 390K 5% 1/8 W R14, Res 330K 5% 1/8W R15, R19, R25, Res 4K7 5% 1/8 W - 3 off...
3400 Illustrated Parts List SIMS Graseby Ltd. Figure 7.9 Distribution board assembly Item Description Part number Remarks Distribution board assembly 0132-0016 Note: The following items are for reference only and are not available for spare parts Connector INC 26 way...
Syringe conversion procedures Introduction The 3400 can easily be converted, if required, in order to use the ‘Braun Perfusor 50 ml syringe’. The Perfusor conversion kit part number is 0131-0048. The conversion procedures are detailed below and are shown in Figure 8.1.
Set the pump to the brand of syringe that is going to be used and then press the STOP button in preparation for the next infusion. Figure 8.1 Braun Perfusor conversion: parts required 8 — 2 Issue 6 (July 00) 3400 Service Manual...
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APPENDIX FITMENT OF NEW MODIFIED SIZE SENZOR FLAG 3400 ANAESTHESIA SYRINGE PUMP...
The SSF and shims etc. that will be required to modify a 3400 pump are supplied in kit form (part No. 0137-0025), and this spares kit will include the following: •...
SIMS Graseby Ltd. WARNINGS When a new SSF has been fitted to a 3400 pump, the pump must be tested using the Syringe Size Sensor gauges (Part No. 0131- 0202) available from SIMS Graseby. Page 3 gives details of the Final Testing procedures.
1.4 mm. If necessary, use a combination of shims to obtain the thickness required, up to a maximum of 2.4 mm. During production at SIMS Graseby a 1.6 mm shim is initially fitted. Using the modified SSF, reassemble in reverse order to that given in 1 to 6 above, all the components that were disassembled.
SIMS Graseby Ltd. SETTING THE SIZE SENSOR FLAG 1. Using the 3400 size sensor test gauges (see page 5) place the 20 ml minimum gauge (Part No. 131-170) into the pump's cradle. 2. If necessary rotate the adjustment screw until 20 appears on the display, and then rotate the adjustment screw counter-clockwise until 10 appears on the display.
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Appendix The SIMS Graseby Size Sensor Gauge set (Part No. 0131-0202) contains the gauges that are used to carry out the Size Sensor tests on the 3400. These gauges are listed below: 3400 Syringe Size Sensor Gauges (white) PART No.
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