Technical information

ITM18 18-7TECHNICAL INFORMATION
original copywriter 1987
revised 07/04 - printed 2008
5. CHECKS TO BE PERFORMED AFTER REPLACING THE BATTERY
BE SURE TO PERFORM THE FOLLOWING CHECKS FOR AFTER THE REPAIR.
PRESSURE CHAMBER TEST
NOTA
BEFORE PERFORMING THE OPERATIONS FOLLOWING DESCRIBED ATTENTIVELY READ THE MANUAL OF
USE SUPPLIED WITH THE PRESSURE CHAMBER (COD. 414991)
NOTA
MARES REALIZES THE TEST OF VERIFICATION OF INFILTRATION OF WATER WITH EQUIPMENTS
DEVOTED AND EXTREMELY ADVANCES. IN SUCCESSION IT IS DESCRIBED A METHOD THAT GIVES
ANALOGOUS RESULTS DESPITE THE USE OF DIFFERENT INSTRUMENTATION
FIG. 6A FIG. 6B
5-1. CLOCK SETTING
USE THE LOCK, SELECT AND SET BUTTONS TO SET THE CORRECT TIME AND DATE.
NOTA
THESE BUTTONS MAY NOT OPERATE CORRECTLY IF THE MODULE WAS NOT SECURELY SET BEFORE
FASTENING THE CASE BACK.
5-2. CHECK WATERPROOFING (FIG. 6A - 6B)
• PLACE THE COMPLETE UNIT INTO THE PRESSURE CHAMBER TEST, THEN INCREASE THE PRESSURE TO 6
ATMOSPHERES (PER 60 METERS) AND LEAVE IT IN THE TESTER FOR 10 TO 20 MINUTES.
• REMOVE THE UNIT FROM THE TESTER AND WIPE THE UNIT, THEN PUT UNDER THE 50W LAMP AT 30CM AT
50º C ABOUT 30 MINUTES
NOTA
IN ORDER TO CHECK THE TEMPERATURE, MARES RECOMMEND TO USE, CLOSE TO NEMO SPORT,
A THERMOMETER OR A NEMO DIVE COMPUTER WITH THE DISPLAY SET WITH PERMANENT
TEMPERATURE.
• TAKE OUT THE UNIT AND PLACE A DROP OF WATER (20 TO 25ºC) ON THE GLASS OF THE UNIT.
• AFTER ABOUT 1 MINUTE, WIPE THE GLASS WITH A DRY CLOTH THEN CHECK FOR CONDENSATION ON THE
GLASS’S INNER SURFACE. IF ANY CONDENSATION (CLOUDING, DROPLETS, ETC.) APPEARS, THERE IS A
WATERPROOFING PROBLEM.