Powell PowlVac ARG 4 Series, Инструкционный бюллетень

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27 Operating Procedures
01.4IB.50023A
8. Move the control selector switch to the OFF
position.
9. Turn the remote control box OFF.
B. p
rocedure for
t
eStInG
f
eeder
Perform steps 1 through 9 of Ch 5 Operating
Procedures, A. Procedure for Applying Ground
prior to the following:
1. Rotate Key in Lock K1, thereby extending
the bolt and locking the manual “Push
to Trip” paddle. The OPEN circuit is now
electrically disabled and cannot be
electrically or mechanically tripped “OPEN”.
Key KA is now available (Figure 16) .
Figure 16 Key KA in Lock K1
2. Insert Key KA into Lock K2 (Figure 17) and
rotate Key KA. Key KA is now captive and
the close circuit is now electrically disabled,
leaving Key KB now available (Figure 18) .
Figure 17 Inserting Key KA into Lock K2
Figure 18 Key KB Becoming Available
3. Insert Key KB into Key Lock K3 (Figure 19)
and rotate Key KB. Key KB is now captive
and the test port shutters are accessible.