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SECTION 3
3.4 REMOVING / REPLACING TORCH HEAD AND SWITCH FROM SERVICE LINE
(Refer to Figure 3-3)
VINYL TAPE
REMOVE TAPE FROM INSULATOR ON
3
BLACK WIRE. SLIDE INSULATOR BACK
AND SEPARATE THE KNIFE CONNEC-
TION. TO RE-CONNECT, SEE FIGURE
3-4 A.
Replace Torch Head in Reverse Order
Figure 3-3. Removal of Torch Head and Switch from Service Line
FLEX SUPPORT
SHEATH
1
SWITCH BAND
HANDLE
KNIFE CONNECTION
TORCH HEAD
1
PUSH THE FLEX SUPPORT BACK FROM HANDLE.
REMOVE TAPE HOLDING SHEATH AND PULL THE
SHEATH BACK.
REMOVE TAPE HOLDING WIRES.
SWITCH
2
BLACK
WIRE
LEAD
INSULATOR
HANDLE
POWER CABLE
REFER TO FIGURE 3-4 B, FOR
SECURING THE STRIP INSULATOR
IN PLACE.
10
MAINTENANCE
SERVICE LINE ASSEMBLY
SPLICE CONNECTIONS
PILOT ARC
CONNECTION
BLACK WIRE LEAD
SNAP SWITCH BAND FROM HANDLE
AND RELEASE THE SWITCH. IF THE
SWITCH IS TO BE REPLACED, TAG
AND SNIP LEADS (2) AT THE SPLICED
CONNECTIONS. (REPLACEMENT
SWITCHES ARE SUPPLIED WITH
NEW SPLICES AND EXTRA LONG
LEADS)
4
UNSCREW HANDLE FROM TORCH
HEAD. REMOVE TAPE SECURING
INSULATOR. REMOVE HEAD FROM
POWER CABLE. (USE TWO
WRENCHES TO PREVENT TWIST-
ING COPPER TUBE)
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