ESAB PT-27 - Torch Head and Switch Replacement

10
SECTION 3 MAINTENANCE
3.4 REMOVING / REPLACING TORCH HEAD AND SWITCH FROM SERVICE LINE
(Refer to Figure 3-3)
1
VINYL TAPE
FLEX SUPPORT
SHEATH
SERVICE LINE ASSEMBLY
PUSH THE FLEX SUPPORT BACK FROM HANDLE.
REMOVE TAPE HOLDING SHEATH AND PULL THE
SHEATH BACK.
REMOVE TAPE HOLDING WIRES.
SWITCH
SWITCH BAND
HANDLE
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)
2
1
REMOVE TAPE FROM INSULATOR ON
BLACK WIRE. SLIDE INSULATOR BACK
AND SEPARATE THE KNIFE CONNEC-
TION. TO RE-CONNECT, SEE FIGURE
3-4 A.
3
BLACK
WIRE
LEAD
INSULATOR
KNIFE CONNECTION
UNSCREW HANDLE FROM TORCH
HEAD. REMOVE TAPE SECURING
INSULATOR. REMOVE HEAD FROM
POWER CABLE. (USE TWO
WRENCHES TO PREVENT TWIST-
ING COPPER TUBE)
HANDLE
POWER CABLE
TORCH HEAD
REFER TO FIGURE 3-4 B, FOR
SECURING THE STRIP INSULATOR
IN PLACE.
4
Figure 3-3. Removal of Torch Head and Switch from Service Line
Replace Torch Head in Reverse Order