ABB VD4 Series Instruction Manual - page 23
Figure 6/1: Withdrawable part with circuit-breaker, type VD4, control area
Figure 6/2: Changing the store-energy spring mechanism manually by moving the inserted charging lever up and down
Figure 6/3: Manual operation of the circuit-breaker, by turning the double bit key approx. 15 clockwise (ON), or approx. 15 anti-clockwise (OFF)
Figure
6/4: Fitting the hand crank (against spring-loaded intermediate plate) to move the withdrawable part inside the panel clockwise towards the service position,
and anti-clockwise from the service position towards the test/disconnected position
51.1 51.2 51 52 54.1
50 50.4 50.7 55.7 55.4 55.5 50.6
55.8
55.6
128
54
ON-OFF operating shaft
145 Triple bit key (ON-OFF operation)
52
Spindle
52.1
Square spigot
146
Hand crank
54 145
146 52.1 52
50
Frame of the withdrawable part
50.4
Guide cam
50.6
Cover plate, right hand side
50.7
Cover plate, left hand side
51
Interlock yoke
51.1
Catch pin, (spring loaded)
51.2
Sliding handle
52
Spindle
54.1
Link rod
55.4
Switch position indicator
55.5
Operating cycle counter
55.7
Rating plate
55.6
Socket for charging lever
55.8
Charging condition indicator
128
Charging lever
VD4 Vacuum Circuit-breaker | Commissioning/Operation 23
Figure 6/1
Figure 6/2
Figure 6/3
Figure 6/4