TP-6126 8/02
6
Section 2 Installation
2.4.2
Manual Operation, 225--4000 Amp
Open-Transition Switches
Hazardous voltage.
Will cause severe injury or death.
Disconnect all power sources before
opening the enclosure.
DANGER
The 225--4000 amp open-transition models use a
detachable manual operating handle.
NOTICE
Improper operator handle usage.
Use the manual operator
handle on the transfer switch for maintenance purposes only.
Return the transfer switch to the normal position. Remove the
manual operator handle, if used, and store it in the place
provided on the transfer switch when service is completed.
Manual Operation Test Procedure, 225--4000 Amp
Open-Transition Transfer Switches
1. Remove the maintenance handle from the clips on
the left side of the transfer switch frame.
See
Figure 2-8.
2.
225--400 amp switches: See Figure 2-9.
Insert
the maintenance handle into the hole in the shaft on
the left side of the operator.
600--1200 amp switches:
See Figure 2-10.
Insert the maintenance handle into the hole in the
molded hub on the left side of the operator.
1600--2000 amp switches:
See Figure 2-11.
Slide the hub onto the shaft and insert the
maintenance handle into the hole in the hub.
3000 and 4000 amp switches: See Figure 2-12.
Insert the maintenance handle into the hole in the
weight.
3. Move the maintenance handle up or down as
shown to manually operate the transfer switch. It
should operate smoothly without any binding. If it
does
not,
check
for
shipping
damage
or
construction debris.
4. Return the transfer switch to the Normal position.
5. Remove the maintenance handle and store it on the
frame in the clips provided.
202
2
1. Maintenance handle
2. Storage clips
1
Figure 2-8
Manual Handle Storage, 600--1200 Amp
Switch Shown
