TM
55-1730-229-12
AG
320A0-OMM-000
TO
35C2-3-473-1
TM
1730-12/1
Table 4-4. Hydraulic Control Panel
Switch and Circuit Breaker Continuity Checks (continued)
(D)
(A)
(B)
(C)
(E)
(F)
Check Continuity
Switch
Fig.
Normal
Switch
Disconnect
Position
Indication
Ref.
From
To
PRESSURE
OFF
Wires from
4S5-1
4S5-2
Open
SWITCH
4S5-2
switch terminals
4S5-3
Open
4S5-4
4S5-5
Open
4S5-2 and -5
(4S5)
( see
4S5-5
4S5-6
Open
note 1)
INCREASE 4S5-2
4S5-1
Open
Continuity
4S5-3
4S5-2
4S5-4
4S5-5
Open
4S5-6
Continuity
4S5-5
DECREASE 4S5-2
4S5-1
Continuity
Open
435-3
4S5-2
4S5-4
4S5-5
Continuity
Open
4S5-6
4S5-5
CIRCUIT
Wire from circuit Open
4CB1 -LINE 4CB1-load Open
BREAKER
breaker terminal
(out)
4CB1 -LINE
(4CB1)
Closed
4CB1-LINE 4CB1-load ContinuitY
(in)
NOTE 1.
The pressure switch must be removed to reach the switch terminals. Switch
removal requires that the vent dryer and hydraulic pressure gage be re-
moved. These components are not removed at organizational level. If the
switch requires checking , notify maintenance supervisor.
Battery Charger Output Control Switch 3S1 Continuity Checks
Check Resistance
Switch
Normal
Position
Indication
From
To
28.5VDC
3S1-C
3S1-1
Continuity
3S1-2
Open
Open
3S1-3
30.5VDC
3S1-C
3S1-1
Open
3S1-2
Continuity
Open
3S1-3
32 .OVDC
3S1-C
3S1-1
Open
3S1-2
Open
Continuity
3S1-3
