Service Manual Ponygraphic
Chapter 4
Maintenance
4.4
4.3.
Preventive Maintenance.
(Preventive maintenance is to be carried out by the COSMED authorized personnel only.)
Important note : the preventive maintenance procedure must be performed only using original
parts of the standard packaging of each equipment
4.3.1. Necessary
tools
Besides tools normally used by a technician, it is necessary to have:
Calibration
syringe
3
L
(C00243-01-06)
Voltmeter
Oscilloscope (20MHz Bandwidth)
The Engineer attending the preventive maintenance schedule must follow the guidelines given
below
General checks.
4.3.2.
Charger
cable
A381-003-202:
Check the integrity of the cable especially on the plugs at the ends and verify with a voltmeter
the absence of electrical short circuit on it.
4.3.3.
RS232
serial
cable
C00032-01-12:
Check the integrity of the cable especially on the plugs at the ends. Check electrically the cable
by using a ohm meter for continuity check.
4.3.4.
Turbine C00292-01-05:
Check the integrity of the external transparent tube of the turbine. Verify that the rotor moves
freely without friction and that the turbine is clean.
4.3.5.
Optoelectronic
reader
C00095-01-05:
Check for any physical damage to the turbine or surface. Check the integrity of the cable
especially on the plug at the end.
4.3.6. Pony graphic unit
Check the batteries using voltmeter, for replacement follow service procedure section of this
manual. Check the Display for proper brightness and contrast, if found faulty follow the service
procedure section for replacement of the display. Check the printer for by carrying a test and
then printing the data on the printer with flow and volume curves.
The above ensure the complete check of the unit