Specifications

TM 9-2330-384-14&P
4-73. GAGE MARKER DISK AND GROUND WIRE REPLACEMENT (Con't).
c. REMOVAL OF GAGE MARKER DISK
WARNING
•
When working inside tank, always provide adequate forced air ventilation
at the manhole opening with air directed Into compartment where work
Is being performed. Forced air ventilation allows for removal of any ex-
plosive quantities and contaminants resulting from the type of work be-
ing done, and serves to prevent oxygen deficiency. Failure to follow this
warning may result In death to personnel.
•
NEVER work alone Inside a tank; a second person must be stationed at
the manhole opening. The person Inside the tank must have a safety line
and harness on In case of emergency for rescue operations. In the event
a rescue operation Is required, summon assistance IMMEDIATELY. DO
NOT attempt a rescue until assistance has arrived.
Remove jam nut (5) and disk (6) from gage marker rod (1).
d. INSTALLATION OF GAGE MARKER DISK
WARNING
•
When working Inside tank, always provide adequate forced air ventilation
at the manhole opening with air directed Into compartment where work
Is being performed. Forced air ventilation allows for removal of any ex-
plosive quantities and contaminants resulting from the type of work be-
Ing done, and serves to prevent oxygen deficiency. Failure to follow this
warning may result In death to personnel.
•
NEVER work alone Inside a tank; a second person must be stationed at
the manhole opening. The person Inside the tank must have a safety line
and harness on In case of emergency forrescue operations. In the event
a rescue operation Is required, summon assistance IMMEDIATELY. DO
NOT attempt a rescue until assistance has arrived.
NOTE
To ensure proper calibration, disk (6) must be Installed according to speci-
fications given.
Install disk (6) and jam nut (5) on gage marker rod (1). Adjust jam nut so that bottom edge of disk is
54.75 In. (139.1 cm) above tank floor.
4-239