Pubn No: 30000H0K
9. REPAIR
1) If the instrument is to be returned to our factory for repair, ensure that it is adequately packed for the
intended method of transport. Inadequate packing may cause returned instruments to be damaged
in transit, resulting in additional cost and time to rectify. Please contact our Repairs Administration
for any help or advice you may need.
2) In all correspondence concerning the instrument the full serial number and electrical supply
information should be quoted (shown on the identification plate on the rear of the instrument).
9.1.
REPLACING A FLASH DETECTOR PROBE
Note:
The flash detector has a high degree of immunity to short pulses of electromagnetic
interference. Extremely high and/or prolonged electromagnetic radiation close to the
instrument may cause the flash detector to trigger.
1) Disconnect the flash detector probe lead from the socket on the back of the instrument.
2) Loosen the retaining nut and clip.
3) Slide the flash detector from the cup/heating block assembly.
4) Insert a new flash detector probe in the top of the cup/heating block assembly.
5) Position the tip of the flash detector centrally in the square cut-out in the lid.
6) Position the retaining clip over the flash detector and tighten the retaining nut firmly.
7) Connect the lead into the socket at the rear of the Tester.
SQUARE CUT-OUT
Figure 4 Flash Detector Probe Replacement
9.2.
REPLACING THE "O" RING SEAL
CAUTION:
CHECK THAT THE APPROPRIATE SAMPLE WELL ‘O’ RING SEAL IS FITTED:-
THE RED SILICONE 'O' RING (SETA 13770-004) MUST BE USED FOR ALL SAMPLES
EXCEPT JET A1/AVIATION FUELS AND KEROSINES.
THE BLACK VITON 'O' RING (SETA 13740-004) MUST ONLY BE USED FOR JET
A1/AVIATION FUELS AND KEROSINES. DO NOT USE VITON ‘O’ RINGS FOR
TEMPERATURES ABOVE 110°C
1) Open the lid.
2) Thoroughly clean the sample cup and lid.
3) Using a fine pointed instrument, pick the old "O" ring from the groove around the sample cup.
4) Clean any residue from the groove.
5) Insert the new "O" ring into the groove.
6) Close and lock the lid.
Issue K
10 Jun 2007
31
