Siemens POLYMOBIL Plus Installation manual

POLYMOBIL Plus
English
Print No.: SPR8-125.034.01.03.02 Doc. Gen. Date: 01.00
Replaces: SPR8-125.034.01.02.02
© Siemens AG 1998
The reproduction, transmission or
use of this document or its contents
is not permitted without express
written authority. Offenders will be
liable for damages. All rights,
including rights created by patent
grant or registration of a utility
model _or_design,_are_reserved.
SP
Start-up Instructions

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Contents 0 - 3
Siemens AG SPR8-125.034.01 Page 3 of 4 POLYMOBIL Plus
Medical Engineering Rev. 03 01.00 TD SD 24
1 _______Requirements__________________________________________________ 1 -1
Specially marked text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 -1
Tools and measurement devices required. . . . . . . . . . . . . . . . . . . . . . . . 1 -1
Safety information and protective measures . . . . . . . . . . . . . . . . . . . . . . 1 -2
Important start-up information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 -4
Replacing damaged or missing screws . . . . . . . . . . . . . . . . . . . . . . . . . 1 -5
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 -5
2 _______Unpacking ____________________________________________________ 2 - 1
3 _______Function checks _______________________________________________ 3 - 1
Checking the nominal line voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1
Attaching the warning label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1
Checking the controls and indicators . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 2
Checking the counterbalance system . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 3
Readjusting the counterbalance system with accessories attached . . . . . . . . . . 3 - 3
Checking the controls on the double-slot diaphragm . . . . . . . . . . . . . . . . . . 3 - 4
Checking the exposure release with high voltage . . . . . . . . . . . . . . . . . . . . 3 - 4
Checking the exposure control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 5
Custom programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 5
Checking coincidence of light and radiation fields. . . . . . . . . . . . . . . . . . . . 3 - 5
4 _______Final procedures _______________________________________________ 4 - 1
Protective conductor measurement . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 1
Equivalent leakage current measurement . . . . . . . . . . . . . . . . . . . . . . 4 - 1
5 _______Test protocol __________________________________________________ 5 - 1
POLYMOBIL Plus Start-up protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 1
6 _______Changes to previous version _____________________________________ 6 - 1
Page

0 - 4 Contents
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1 - 1
Siemens AG SPR8-125.034.01 Page 1 of 6 POLYMOBIL Plus
Medical Engineering Rev. 03 01.00 TD SD 24
Specially marked text 1
Tools and measurement devices required 1
All tools and measurement devices with the exception of the standard service kit
are specified in the ARTD / Part 3.
•Standard service kit
•Protective conductor test meter
•Equivalent leakage current meter
•Digital multimeter.
"Warnings" are information provided with special emphasis when
there is
the potential for personal injury to the operator or patient.
"Cautions" are information provided with special emphasis when
there is
the potential for damage to the equipment.
"Notices" are information provided with special emphasis to facil-
itate
proper use of the equipment or proper execution of a procedure.
WARNING
CAUTION
NOTICE
Requirements 1

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1 - 2 Requirements
Safety information and protective measures 1
•When performing service work and tests, adhere to:
- the product-specific safety information in the document,
- the safety information in RA0-000.012.... in the Register of
the POLYMOBIL Plus binder,
- as well as the general safety information contained in
part 2 of the ARTD.
•Tests and adjustments that must be performed with radiation
ON, are identified by the radiation warning symbol .
Radiation protection must be worn during these types of
adjustments.
CAUTION

Requirements 1 - 3
Siemens AG SPR8-125.034.01 Page 3 of 6 POLYMOBIL Plus
Medical Engineering Rev. 03 01.00 TD SD 24
When working with the system open, there is danger of
! Electric shock !
•The capacitor bank can still be charged.
Do not attempt to work on the system while this condition exists.
•After switching off the system, approximately 450 VDC (350 VDC
for Serial-No. < 10100) may still be present in the system; even
after disconnecting the line voltage plug. Within 10 minutes this
voltage will drop to approximately 10 V.
•Always measure the actual voltage present with the DVM at test
points -VCC and +VCC on the D960 inverter board or (more
accessible) on the D970 capacitor board at the + connection
point of capacitor C3 and on the right side of fuse F3 (refer to
Fig. 1).
•LED’s V1 ... V10 on D 970 go out at a significantly higher voltage
level and therefore they are not reliable safety indicators.
•If a fuse on the D 970 has responded, high voltage may still be
present at the affected capacitor even after a prolonged period
of time.
•The capacitor discharging circuit utilizes the D 925 board and
relays CS and LS. If connector X3 or X9 on D 925 or D 950 are not
inserted or there is a defect in the circuit, the C-bank will not
discharge.
This can cause life-threatening voltage to be present in the
system even after a prolonged period of time.
•Refer also to the POLYMOBIL Plus Service instructions
RXR8-120.061.01... "Replacing the capacitor bank".
Fig. 1
VCC
+-
R5
C1R3R4
WARNING

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1 - 4 Requirements
•Connect the POLYMOBIL Plus only to a line voltage supply (receptacle) that complies
with the requirements of VDE 0107 or corresponds to the local national standards.
•Disconnect the POLYMOBIL Plus at the line voltage OFF switch on the operating
console and disconnect the line voltage plug prior to any service work.
•Remove or insert boards with the generator switched OFF only; observe
ESD guidelines when handling boards.
Important start-up information 1
•After completion of the start-up procedure, the POLYMOBIL Plus which has been
completely tested and adjusted at the factory, is ready to operate.
•The POLYMOBIL Plus can be connected to nominal line voltages from 110 V AC through
230 V AC (± 10%) and automatically self-adjusts to the existing power line voltage.
•After start-up, country-specific tests are to be performed, if required;
e.g. acceptance test according to RöV (Germany - X-ray ordinance).
Acceptance test according to RöV (Germany):
Required measurements can be partially transferred from the test protocol provided.
The following values are measured at the factory and recorded in the test certificate:
- Light localizer brightness
- Filter values - visual check
- Coincidence of light field and radiation field
- X-ray tube voltage accuracy
- mAs value check
- Reproducibility of the radiation
•The test / measurement values identified by the " " symbol should be entered in the
start-up protocol located at the end of these instructions.
•Adhere to the fuse ratings for the on-site receptacle:
- 16A slow-blow (on-site) at 110 ±10% or 230V ±10% line voltage
•The line voltage cable of the POLYMOBIL Plus is supplied with a
(Schuko) safety plug.
Install line voltage plugs that comply with the local standards, if
required.
CAUTION

Requirements 1 - 5
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Medical Engineering Rev. 03 01.00 TD SD 24
Replacing damaged or missing screws 1
•As specified in the installation drawings, damaged or missing screws may only be
replaced by steel screws conforming to DIN 267 and having the specified tensile
strength.
Cleaning 1
•The unit must always be switched off or disconnected before cleaning. Use only water to
clean the unit or a lukewarm solution consisting of water and a household cleaning
agent.
•Do not use abrasive cleaning agents or organic solvents such as benzine, alcohol or spot
remover.
•Do not spray water on the unit.
•For additional information, refer to the Operating Instructions "Cleaning/Disinfecting".
All Allen screws must have a tensile strength rating of 8.8.
CAUTION

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1 - 6 Requirements
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•Bend the transport brackets on the crate cover upwards and remove the crate cover.
•Bend the transport brackets on the side panels up and remove the side panels.
•Place the side panel with the integrated ramp (1/Fig. 1) down directly in front of the pallet
and engage the retaining tabs.
•Remove the plastic cover.
Fig. 1
Unpacking 2

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2 - 2 Unpacking
•Remove the protection covers from the single tank and the collimator.
•Remove the 4 Allen screws (2/Fig. 2, 17 mm spanner opening ), the strap (3/Fig. 2) and
the U-shaped rail (4/Fig. 2).
•Bring the foot pedal from the locking position into the maneuvering position
(6/Fig. 3). For other foot pedal positions, refer to the operating instructions.
•Remove the 2 Allen screws and the bracket (7/Fig. 2, 17 mm spanner opening) from the
stand trolley on the right and left side.
•Push the POLYMOBIL Plus over the rail (8/Fig.3) and move it off the pallet via the ramp
(9/Fig. 3).
Fig. 2 Fig. 3

3 - 1
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Medical Engineering Rev. 03 01.00 TD SD 24
Checking the nominal line voltage 3
•Using the DVM, measure the local power line voltage at the receptacle.
Attaching the warning label 3
•Attach the warning label printed in the appropriate language, item number 18 13 554,
to the operating console (1/Fig.1).
The system automatically self-adjusts to the existing power line
voltage.
The warning label is located in the POLYMOBIL Plus binder.
NOTICE
NOTICE
1
Fig. 1
Function checks 3

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3 - 2 Function checks
Checking the controls and indicators 3
•Connect the line voltage plug to the safety receptacle.
•Press the ON key (5/Fig. 5) on the control console.
➪After switching the system on, it executes an initialization routine as follows:
•Select 50 kV by pressing the -kV key.
•Select all the mAs values by pressing the ±mAs keys from 0.32 . . . 160 mAs (110 V
±10%) or ..... 250 mAs (230 V ±10%).
•Select all the kV values by pressing the ±kV keys from 40 . . . 125 kV.
If errors occur during the following checks, please refer to the ser-
vice instructions.
If the system has not been used for a period of time, the capacitor
leakage current increases. When the system is first switched on,
ERR1 may appear, which indicates a high leakage current.
This error will normally disappear, if the system is switched off
and on again.
If the error remains, perform the service program "Configuring
the capacitor bank" (Pr.1) according to the service instructions.
NOTICE
mAs
– – –
Initialization
Default values acc. to
setting mAs
10
kV
– – –
kV
60
The POLYMOBIL Plus is ready
for exposure: the kV display no
longer flashes (between - - - and
kV value)
NOTICE

Function checks 3 - 3
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Medical Engineering Rev. 03 01.00 TD SD 24
Checking the counterbalance system 3
•Unlock the support arm (1/Fig. 2) and loosen the knob (2/Fig. 2). The support arm
without attached accessories should move through the entire range easily and should
stop
in any position.
Readjusting the counterbalance system with accessories
attached 3
•If the support arm with accessories attached does not stop in any desired position,
readjust the spring tension for the counterbalance.
•Remove the cover (3/Fig. 2) from the stand.
•Release the supplemental brake on the support arm (2/Fig. 2).
•Move the support arm into the horizontal position.
•Tighten the screw (4/Fig. 3) using a 17-mm open-ended wrench. Adjust the spring
tension in such a way, that there is a balance when the support arm is in the horizontal
position, i.e. that equal force is required to lift and lower the tube assembly.
4
1
2
3
Fig. 2 Fig. 3

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3 - 4 Function checks
Checking the controls on the double-slot diaphragm 3
•Check the light localizer at the control console and at the double-slot diaphragm in each
case.
Press the key (6/Fig. 5 or 7/Fig. 4); the light localizer lamp lights up for 20s ±1s.
•Check whether the double-slot diaphragm rotates through ± 45°.
•Check the ease and uniformity of the format adjustment (blade pair) by rotating the
collimator adjustment knob (8/Fig. 4).
Checking the exposure release with high voltage 3
•Close the double-slot diaphragm.
Set 60 kV, 10 mAs.
•Release an exposure.
The radiation indicator (9/Fig. 5) lights during an exposure; at the same time, an acoustic
signal sounds.
569
7
8
Fig. 4 Fig. 5

Function checks 3 - 5
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Medical Engineering Rev. 03 01.00 TD SD 24
Checking the exposure control 3
•Check the exposure control with the following setting:
60 kV, 125 mAs
•Using a clock, check the acoustic signal for the exposure time.
Proceed as follows:
➪Release an exposure; the radiation indicator (9/Fig. 5) lights up.
➪The exposure must switch off after max. 6s.
➪The radiation indicator goes out, the acoustic signal stops.
Custom programming 3
•The maximum possible kV and mAs values can be programmed with service program
Pr.6 (refer to the service instructions "Service programs").
•The default exposure parameters can be programed with service program Pr.5 (refer to
service instructions "Service programs")
Checking coincidence of light and radiation fields 3
•Load a 24 cm x 30 cm or 10”x 12” cassette with film and place it on a table or a similar
surface.
•Set the vertical SID to 100 cm or 40” with the measuring tape reaching to the upper edge
of the cassette.
•With the control buttons set a format of 18 cm x 24 cm or 8”x 10”.
•Switch on the light localizer and align the cassette.
•Place radiolucent markers (e.g. washers, coins) on the cassette as shown in the sketch.
Use one washer as side marking.
•Release an exposure (60 kV, 10mAs) and develop the film.
•On the developed film, write the following data with a waterproof felt pen:
- SID setting
- film size
- radiation field size
Side marker
Length
Marker

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3 - 6 Function checks
Evaluation:
•Measure the deviations (X1,X2,Y1,Y2) between the edges of the light field and of the
radiation field on all four sides, as in the sketch.
•Calculate the sum of the deviations in the X and Y directions (without regard to sign).
•The longitudinal deviation ( ΣY) as well as the width deviation ( ΣX) has to be smaller
than 1.6 cm.
•Switch OFF the POLYMOBIL Plus and disconnect the line voltage cable.
In case of deviations greater than 1.6 cm, see Service Instructions
Chapter "Checking coincidence of light and radiation fields".
X1
Y1
Y2
X2
Film
Light field
Radiation field
NOTICE

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Protective conductor measurement 4
•Perform the protective conductor measurement according to ARTD-002.731.17...
"Safety technical information for installation and start-up ".
Protective conductor resistance ≤ 0.2 ohm.
Equivalent leakage current measurement 4
•Perform the equivalent leakage current measurement in accordance with
ARTD-002.731.17...
"Safety technical information for installation and start-up" .
Initial measurement
When measuring the equivalent leakage current, an initial measurement as well as repeat
measurements are taken. The purpose of these repeat measurements is to detect devia-
tions from the "initial" measurement and thus to recognize changes in the safety structure
of the system as early as possible.
The initial value measured may not exceed the maximum value of 2 mA.
Conform to the measurement setup shown in Fig. 2.
During the measurement, POLYMOBIL Plus must be switched on. Therefore, when using
the BENDER Safety tester, it must be set to manual measurement.
The "initial" value should be entered in the test protocol at the end of these start-up
instructions.
Fig. 1
Final procedures 4

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4 - 2 Final procedures
Repeat measurements
After performing any necessary repair work and after maintenance work in general,
measure the equivalent leakage current again.
The value measured must not exceed the maximum acceptable limit value of 2 mA.
In addition, this value may not exceed the initial value by more than 50%.
The results of the measurement must be documented.
Fig. 2 - Measuring the equivalent leakage current for systems in operation.
•Roll up the power line cable on the cable holder in back of the control console.
•Move the support arm (Fig. 1) into the travel position and check the locking mechanism.
uA
1-Unit connection lead (without protective conduc-
tor
contact)
2-Patient connection lead (not on
POLYMOBIL Plus)
3-System housing
4- Measurement circuit
(N) L
(L) N
powe
4
1
2
3