ARK-3530 User Manual 222.4.7 Replace CPU thermal Grease PadAlways use the grease pad provided by Advantech. The P/N of the grease pad is:To ensure the best thermal performance, it is recommended to replace the thermalgrease for CPU thermal pole each time the top cover is opened.1. To replace the thermal grease, clean up the CPU thermal pole by using papertissue or soft cloth. DO NOT USE any kind of solvent to clean the thermal poleas this may damage the thermal grease inside the thermal pole.2. Gently remove one of the protective papers on the grease pad and apply thegrease to the CPU thermal pole. Press onto the grease pad for 30 seconds,then remove the protective paper gently from the grease pad.2.4.8 Wide operating temperature supportTo make sure the system works well under 0 C or over 40 C, please ensure yourperipherals are i-grade, which support wide temperature operation.Part Number Description1990032969N000 Thermal-Pad 30x30x0.2 K=8 TP HW PTM-7988 ARK-3530