IM 25.055AC UA (C/6-01)
AUTOMATIC CHLORINATOR - 3000LB/24HR
32
WARNING: TO AVOID POSSIBLE SEVERE PERSONAL INJURY
OR DAMAGE TO THE EQUIPMENT, EXCEPT IN CASES OF
LEAK DETECTION OR CALIBRATION ADJUSTMENTS, THE
GAS SUPPLY MUST BE COMPLETELY SHUT OFF AT THE GAS
SUPPLY CONTAINER(S), AND THE GAS IN THE SYSTEM
EXHAUSTED BEFORE SERVICING THE EQUIPMENT. TO DO
THIS, TURN OFF THE GAS SUPPLY AT THE CONTAINER
VALVE, WAIT UNTIL THE SUPPLY VACUUM GAUGE SHOWS
100 INCHES OF WATER AND THE ROTAMETER FLOAT RESTS
ON THE BOTTOM STOP, AND THEN TURN OFF THE INJEC-
TOR WATER SUPPLY.
4.1 General Care of Equipment
Maintenance is simplified if certain general precautions are taken. These
are usually easy to accomplish and contribute to reducing maintenance
costs by maintaining normal operating conditions. The recommended pre-
cautions are as follows.
4.1.1 Checking for Leaks
WARNING: TO AVOID POSSIBLE SEVERE PERSONAL IN-
JURY, IT IS GOOD PRACTICE TO HAVE AN APPROVED GAS
MASK AVAILABLE WHEN MAKING LEAK CHECKS.
• CHLORINE LEAKS
WARNING: TO AVOID POSSIBLE SUFFOCATION, SEVERE
PERSONAL INJURY, OR EQUIPMENT DAMAGE, DO NOT
TOLERATE ANY LEAKS. THEY ALWAYS GET PROGRES-
SIVELY WORSE AND MUST BE CORRECTED PROMPTLY.
NOTE: For leak testing, use USF/W&T U409 or Commercial 26°
Baume’ aqua ammonia. Household ammonia is not strong enough.
A bottle of aqua ammonia is furnished for checking leakage of chlorine
gas at joints, valves, etc. Hold the moistened dauber close to the joint
or suspected leakage area. If leakage exists, a white cloud will form.
When a leak is found, immediately shut off gas supply and remove the
escaped gas by ventilation. To remove all gas from the equipment,
continue injector operation until the supply vacuum gauge reads 100
inches of water and the rotameter float rests on the bottom stop.
WARNING: ESCAPED GAS MUST BE EXHAUSTED TO OUT-
SIDE ATMOSPHERE. THE EXHAUST SYSTEM MUST TERMI-
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