TM 9-6115-660-13&P
4-16 TOGGLE SWITCH MAINTENANCE.
This task covers: a. Test
c. Installation
b. Removal
INITIAL SETUP
Tools
Equipment Conditions
Tool Kit, General Mechanic’s
(item 1, appendix B)
Reference
Multimeter AN/PSM-45
Both generator sets shut down;
(item 2, appendix B)
paragraph 2-5.3.3.
Switch box cover open.
Materials/Parts
None
TEST
NOTE
The following procedures apply to all toggle switches.
Set multimeter for continuity test. Test switches in accordance with table 4-3. Replace any switch that
fails test.
Table 4-3. Switch Continuity Test
S10 TRANSFER SWITCH
S1 AND S2 ON-LINE SWITCHES
Closed Contact
Open Contact
Closed Contact
Open Contact
On Position
1 and 2
2 and 3
4 and 5
5 and 6
Released
1 and 2
2 and 3
5 and 6
Position
4 and 5
REMOVAL
1. Tag wires connected to terminals of switch to be replaced and remove screws (9, figure 4-16), flat
washers (8), and conductor bus (7).
2. Remove hex nut (1), lock washer (2), locking ring (3), and switch 6.
INSTALLATION
1.
2.
Remove hex nut (1), lock washer (2), and locking ring (3).
Hand tighten hex nut (5) on switch.
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