Boeing 707 - Installation Torque for Transformer Terminals; Insulation of an Installation of Stacked Terminal Lugs

Table 20
INSTALLATION TORQUE FOR MS27212-() TERMINAL STRIP TERMINALS
Terminal Strip
Torque
(inch-pounds)
Part Number Stud Size Minimum Maximum
MS27212-()-()
6-32 15 16
8-32 20 22
10-32 30 32
1/4-28 70 75
5/16-24 135 155
3/8-24 180 200
O. Installation Torque for Transformer Terminals
Table 21
INSTALLATION TORQUE FOR TRANSFORMER TERMINALS
Stud Size
Torque
(inch-pounds)
Minimum Maximum
8-32 7 9
10-32 28 32
P. Insulation of an Installation of Stacked Terminal Lugs
This procedure is applicable only when it is specified.
NOTE: The first terminal lug of this procedure can be the first lug of the stack or the second lug of the
stack.
Table 22
NECESSARY MATERIALS
Component Description Part Number
Tape Silicone, Type I A-A-59163-1I0020-0.500
(1) Make a selection of a silicone tape from Table 22.
(2) Wind a length of the tape around the insulation sleeve of the first terminal lug one tape width from
the forward end of the insulation sleeve at the rear end of the tongue of the lug. Refer to Figure
25.
ELECTRICAL CONNECTION OF EQUIPMENT AND INSTALLATION OF TERMINAL LUGS
707, 727-787
STANDARD WIRING PRACTICES MANUAL
20-30-00
Page 32
Jun 15/2021D6-54446
ECCN 9E991 BOEING PROPRIETARY - See title page for details