(7) When a click is heard at terminal GN and not at terminal RR, replace the complete set.
(8) Remove the block from contacts B-C.
Whenever internal wiring of the telephone set is found to be defective, replace it with the properly
colored wiring. Replace all defective parts; do not attempt to repair them. After clearing a reported
trouble, call the test desk or test board, and test the general telephone operation. If extensive
replacement of parts is required, replace the telephone set with a new or reconditioned one.
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