Table 3-2. Organizational Preventive Maintenance Checks and Services (Continued)
W - Weekly
M - Monthly
Item to be Inspected
Do not service or adjust ammonia
containers without protective
safety goggles. Blindness or
injury may result from failure
to comply with this warning.
Visually inspect ammonia container (2) for secure
connection of tubes (3), and ensure that stopper (4)
is securely in place.
Visually inspect ammonia level (5). Level must be
4 to 5 inches (102 to 127 mm) from top of con-
tainer. Do not operate equipment if ammonia level
is not at 4 to 5 inches (102 to 127 mm) from top of
Visually inspect absorber container (6). Ensure
tubing (7) is connected. Check color of absorber.
Do not operate equipment if blue color is observed
at window (8).
Observe machine for noticeable ammonia vapor