(6)
Connect a continuity meter between pins A and B of receptacle; continuity shall be indicated. Actuate switch, continuity shall be broken. De-actuate switch, continuity shall be indicated.
(7)
Connect a continuity meter between pin A and case of receptacle; continuity shall not be indicated. Connect a continuity meter between terminal C and case of switch; continuity shall not exist.
(8)
Mix potting compound (Epoxylite 810) (SECTION VII) 8 parts A to one part B by weight.
NOTE: Refer to applicable manual to verify proper potting compound.
(9)
Apply potting compound to parts to dimensions shown in Figure 407.
(10)
Cure potting compound for four hours at 250F (121C).
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Repair Switch Assembly (Typical)
Figure 407
Repair
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B. Method No. 413B: Solenoid Assembly Repair (Receptacle Replacement) Replace receptacle on solenoid assembly as follows: CAUTION: ENSURE THAT WIRING IS NOT DAMAGED OR CUT TOO SHORT WHILE REMOVING RECEPTACLE. IF WIRING IS DAMAGED, REPLACE SOLENOID ASSEMBLY.
(1)
Remove applicable screws and washers, or rivets, and terminal lug from receptacle.
(2)
Carefully separate receptacle from solenoid assembly far enough to insert a screwdriver or blunt tool to remove potting compound around terminals or receptacle.
(3)
Disconnect wiring from receptacle as close to back of receptacle as possible.
(4)
Remove spacer that fits between receptacle and solenoid assembly, if applicable.
(5)
Remove enough potting compound from receptacle cavity in solenoid assembly to facilitate a good bond on reassembly.
WARNING: METHYL-ETHYL-KETONE (MEK) IS TOXIC AND FLAMMABLE. USE IN WELL-VENTILATED AREA. AVOID BREATHING FUMES OR CONTACT WITH SKIN. OBSERVE ALL FIRE PRECAUTIONS.
(6)
Clean mating surfaces of solenoid assembly and new receptacle, using methyl-ethyl-ketone (MEK) (ASTM D470) (SECTION VII).
(7)
Install spacer, if applicable.
(8)
Refer to applicable manual for wiring diagram and keyway location and attach wiring from solenoid assembly to applicable pins of new receptacle to make secure mechanical joints.
(9)
Silver solder mechanical joints in accordance with AMS4756 using silver brazing wire in accordance with AMS4774.
(10)
Rinse bonded joints with a diluted solution of bicarbonate of soda (SECTION VII) (one ounce per gallon of water) at room temperature.
NOTE: Clean bonded joint using a stiff bristled brush.
(11)
Trim ends of wiring to remove sharp protrusions through silver solder.
(12)
Apply primer, as specified in applicable manual, to mating surfaces of solenoid assembly, spacer if applicable, receptacle and cavity in solenoid assembly. Allow primer to cure for one hour at room temperature.
(13)
Coat mating surfaces of solenoid assembly, spacer if applicable, and receptacle with potting compound specified in applicable manual.
NOTE: Do not overfill cavity of solenoid assembly.
(14)
Fill cavity of solenoid assembly with specified potting compound.
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(15)
Secure receptacle to solenoid assembly using screws and washers, or rivets, and applicable terminal lug. Upset rivets to secure.
(16)
Cure potting compound at 300 to 350F (148 to 176C) for one hour.
NOTE: Position solenoid assembly with receptacle down while curing.
C. Method No. 413C: Electrical Connector Repair (Pin Replacement) Repair bent or damaged pins in electrical connectors as follows: NOTE: Insertion and removal tools (MS24256, MS90455, and MS90456) (SECTION VII) can be used with the following connectors and contacts: MIL-D-233216, MIL-C-26482, MIL-C-26500, MIL-C-26518, MIL-C-26636, MIL-C-38300, MIL-C-39029, and MS3190.
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本文链接地址：标准施工手册 STANDARD PRACTICES MANUAL 20-00-02/70-00-01(92)
