Bell System Practices Plant Series Adjustments page 69

2. 67 Function Mechanism (Cont.)
DISABLING SCREW
LO CK NU T
FUNCTI ON PA W L
FUNCT ION BAR
FUNCTION LEVER
ISS 7, SECTION 573-115-700
UNSHIFT -ON-SPACE
FUNCTI ON PAWL
UNSHIFT -ON-SPACE FUNCTION PAWL
REQUIREMENT
( 1)
TO PREVENT UNSHIFT -ON-SPACE
FUNCTION, PROVIDE CLEARANCE
BETWEEN THE LOWER EDGE OF
THE UNSHIFT -ON-SPACE F UNCTION
PAWL AND I TS FUNCTION BAR.
INCH
MIN. 0.015
MAX. INCH
0.060
TO ADJUST
LOOSEN THE LOCK NUT AND TURN THE
DISABLING SCREW IN.
(2) REQUIREMENT
TO RESTORE THE UNSHIFT -ON-SPACE
FUNCTION, BACK OFF THE SCREW
THAT PAWL FULLY ENGAGES THE
SO
FUNCTION BAR. THEN CONTINUE
TO TURN THE SCRE W OUT ONE TO
THREE TURNS.
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