
150 1100 Series DAD and MWD Reference Manual
4 Repairing the Detector
Replacing Fan Parts (G1315B/G1365B)
NOTE
With the introduction of the G1315B/G1365B DAD/MWD a heater and a temperature
sensor was added to the standard fan assembly. Also the air flow direction is reversed
(now: rear to front). Use this procedure for the the G1315B/G1365B only. For
G1315A/G1365A detectors refer to “Exchanging the Fan (G1315A/G1365A)” on page 148.
When required If the fan is defective or noisy, if the temperature sensor or the heater fails
Tools required Screwdriver POZI 1 PT3, a pair of pliers
Parts required Fan assembly 3160-1016,
Temperature sensor assembly G1315-60000,
Heater assembly G1315-60003
Preparations for this procedure:
• Turn off the lamp.
• Switch off the detector, and disconnect the cables and
capillaries.
• Remove detector from stack and place it on the working
bench.
• Remove front cover, top cover and top foam section, see
“Removing the Top Cover and Foam” on page 140.
1 Disconnect the connectors from the main board; fan (J16),
temperature sensor (J18) and heater (J17) and pull the fan
assembly out of its location.
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