ARMY TM 9-4120-380-14
NAVY EE-00-BA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-21
4.28 MODE. SELECT SWITCH (S1) AND KNOB. - Continued
Table 4-3. Mode Select Switch Test - Continued
Set SW To
From
-
To
Read
VENT
Wire
111-112
Open
Wire
111-113
Open
Wire
111-140
Open
Wire
111-141
Closed
Wire
115-120
Open
Wire
116-121
Open
Wire
117-122
Open
Wire
118-124
Open
Wire
119-125
Closed
Wire
119-123
Closed
Wire
119-1014
Closed
HEAT
Wire
111-112
Open
Wire
111-113
Open
Wire
111-140
Open
Wire
111-141
Closed
Wire
115-120
Open
Wire
116-121
Closed
Wire
117-122
Closed
Wire
118-124
Open
Wire
119-125
Closed
Wire
119-123
Closed
Wire
119-1014
Closed
REPAIR/REPLACE
Repair consists of replacing knob (1) or switch (4).
REMOVAL
a
b
Loosen set screw (5) and remove knob (1).
c.
Remove nut (2)
d
Remove switch (4) from panel and retain star washer (3)
INSTALLATION
a
Install star washer (3) on switch shaft, then position switch (4) through panel and secure with nut (2)
b
Solder leads as tagged in removal and remove tags.
4-57