CLASS S WEIGHTS

TM 5-6640-213-14

(3) Remove and replace the defective motor coupling; make

sure that the ejector blades are to the left and are one-quarter of

an inch above the edge of the mold.

Adjust the bin-arm switch as

Adjusting the Bin-Arm Switch.

follows ..

(1) Remove the front cover.

(2) Slide the bin-arm switch to the right or left, as

needed, until the switch clicks off and back on when the arm is

within 1 inch of the freezing mechanism.

A troubleshooting chart for the ice maker

h. Troubleshooting.

is listed in table 4-2.

CLASS S WEIGHTS.

4-6.

The class S weights must be certified at 720-day intervals by

the A-level calibration facility. The weight must be certified

within the following tolerances.

Maximum

Minimum

Gram Weights

99.99975 grams

100.00025 grams

100 grams

49.99988 grams

50.00012 grams

50 grams

19.999926 grams

20.000074 grams

20 grams

10.000074 grams

9.999926 grams

10 grams

4.999926 grams

5.000054 grams

5 grams

2.000054 grams

2 grams

1.999946 grams

1.000054 grams

0.999946 grams

1 gram

REID VAPOR PRESSURE APPARTUS.

4-7.

a. Before Operation Service. Insure that the overflow pipe is

tight. Fill bath with water up to level of overflow pipe.

A solution of copper sulfate in water is poisonous.

NOTE

The position of the overflow pipe is set to main-

tain the level of the water at least l-inch above

the immersed bomb, as specified by ASTM. Add 1/2

gram of copper sulphate to the bath to create a

solution of 10 ppm to minimize algae growth.

4-8