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Section II. MOVEMENT TO NEW WORK SITE
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TM-5-6120-250-12 Substation Trailer Mounted 500 KVA AC 4160-416Y/240V 208Y/120V 3 Phase 50/60 Hertz Manual
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Figure 2-5. High voltage cabinet, upper front panel
(3) The load break switch and the circuit
coated with suitable oil or grease.
breakers should be inspected periodically. Inspect all
operating and machine parts for corrosion. Operate load
(5) Precautions should be taken so landing
gear does not sink into ground. The trailer should be
break switch and circuit breakers a few times.
completely lubricated and tire inflation checked for
proper pressure.
(4) For extended periods of storage all
machined parts of operating mechanisms should be
Section III. CONTROL AND INSTRUMENTS
with a crank type removable operating handle that is
2-8. General
stowed in the storage cabinet. A removable bar covers
the operating handle socket and is locked in place by a
This section describes, locates, illustrates and furnishes
padlock. The operating handle socket escutcheon also
the operator, crew or organizational maintenance
has a switch position indicator, indicating "open" or
personnel  sufficient  information the controls and
"Closed."
instruments for proper operation of the substation.
(2) The upper front panel also has two
2-9. Controls and Instruments
switch inspection windows. These windows allow visual
inspection of the switch using a flashlight with no
a.
High Voltage Cabinet (fig. 2-1.)
reflected glare. (fig. 2-5.)
(1)  The load break switch is mounted
behind the 11 tipper front panel. This switch is operated
Key :to figure 2-5:
1 Switch inspections windows
2. Switch position indicator
3. Switch operating socket
4. Removable bar
2-9

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