Boeing 707 - Location of the Flammable Leakage Zones; Seal of an Electrical Connection in a Flammable Leakage Zone

B. Location of the Flammable Leakage Zones
For the locations of the flammable leakage zones, refer to Subject 20-02-10.
C. Seal of an Electrical Connection in a Flammable Leakage Zone
For the conditions that are applicable for this procedure, refer to Paragraph 4.A.
NOTE: The cure times and tack-free times that are specified in Table 23 are applicable for 77 degrees
F ±5 degrees F and 50 percent relative humidity.
NOTE: The cure time and the tack free time:
• Increase at lower temperature and lower humidity
• Decrease at higher temperature and higher humidity.
Table 23
RECOMMENDED SEALANTS FOR A FUEL VAPOR AREA
Cure Time (Hours)
Tack Free Time
(Hours)
Part Number Supplier Special Instructions
2 1 PR 1826 B-1/4
PRC-DeSoto
International
Not applicable for clad
aluminum
3 2 PR 1826 B-1/2
PRC-DeSoto
International
Not applicable for clad
aluminum
8 3 Proseal 860 B-1/6
PRC-DeSoto
International
Not applicable for CRES or
bare titanium
20 10 BMS5-95 B-1/2 Boeing -
24
10 BMS5-142 B-1/2 Boeing
Not applicable for faying
surfaces
12 BMS5-37 B-2 Boeing -
48
24
BMS5-26 B-2 Type II Boeing -
BMS5-45 B-2 Boeing -
BMS5-142 B-2 Boeing
Not applicable for faying
surfaces
36 BMS5-95 B-2 Boeing -
72 36 BMS5-26 A-2 Type II Boeing -
Table 24
APPROVED SUPPLIERS OF BOEING STANDARD SEALANTS
Boeing Standard Supplier
BMS5-26 A-2 Type II Courtaulds Aerospace
BMS5-26 B-2 Type II Courtaulds Aerospace
BMS5-37 B-2 PRC-DeSoto International
BMS5-45 B-2 PRC-DeSoto International
BMS5-45 B-2 Le Joint Francais
BMS5-45 B-2 Yokohama Rubber
ELECTRICAL CONNECTION OF EQUIPMENT AND INSTALLATION OF TERMINAL LUGS
707, 727-787
STANDARD WIRING PRACTICES MANUAL
20-30-00
Page 37
Jun 15/2018D6-54446
ECCN 9E991 BOEING PROPRIETARY - See title page for details