(f)
Corrosion protective and pressure (locking) washers must be used on ground studs. Refer to Figures 2014 through 2017.
(g)
When more than two ground terminals are installed on a ground stud, corrosive protective flat washers must be installed on each side of each terminal. Refer to Figure 2018.
Figure 2018
(h)
Terminals can be turned over to assist installations.
(j)
Nuts on ground studs must be properly torqued. Refer to Tables 2001 and 2002 and aircraft OEM specifications.
Page 2016
B/E AEROSPACE
COMPONENT MAINTENANCE MANUAL
MILLENNIUM. 88813 SERIES
Table 2001
Self-Locking Electrical Nut Torque Values
STUD SIZE TIN COATED COPPER TERMINAL ON ALUMINUM
MINIMUM MAXIMUM
10-32 28 IN-LB 35 IN-LB
1/4-28 65 IN-LB 70 IN-LB
5/16-24 135 IN-LB 145 IN-LB
Table 2002
Plain Electrical Nut Torque Values
NUT SIZE MINIMUM MAXIMUM
10-32 35 IN-LB 40 IN-LB
1/4-28 85 IN-LB 105 IN-LB
5/16-24 150 IN-LB 180 IN-LB
(k)
Route ground straps using the same sound practices as for other cables and as outlined in the section 1. General Cabling Practices in this section.
(l)
If a ground terminal is removed from a ground stud with more than one terminal, the other terminals must be resecured with the ground stud to the seat using proper procedures. This will apply when a component of the seat may be removed for repair or replacement at a later date.
(m)
Whenever a ground terminal is removed and reinstalled or replaced, or whenever a ground stud is installed or replaced, use an ohmmeter to verify that resistance to ground is within an acceptable range. (Figure 2019 illustrates a method for testing for resistance to ground with an ohmmeter.) Refer to aircraft OEM specs for details of stud sizes and maximum resistance.
Page 2017
B/E AEROSPACE
COMPONENT MAINTENANCE MANUAL
MILLENNIUM. 88813 SERIES
METAL STRUCTURE
Figure 2019
Page 2018
B/E AEROSPACE
COMPONENT MAINTENANCE MANUAL
MILLENNIUM. 88813 SERIES
3. Electrical Installation - Ref: 48370095/ 48370096
Figure 2020 - Ref: 48370095/ 48370096 - Electrical Installation (Sheet 1 of 6)
Page 2019
B/E AEROSPACE
COMPONENT MAINTENANCE MANUAL
MILLENNIUM. 88813 SERIES
Figure 2020 - Ref: 48370095/ 48370096 - Electrical Installation (Sheet 2 of 6)
Page 2020
B/E AEROSPACE
COMPONENT MAINTENANCE MANUAL
MILLENNIUM. 88813 SERIES
Figure 2020 - Ref: 48370095/ 48370096 - Electrical Installation (Sheet 3 of 6)
Page 2021
B/E AEROSPACE
COMPONENT MAINTENANCE MANUAL
MILLENNIUM. 88813 SERIES
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