Thermal Dynamics DRAG-GUN 38, Инструкция по эксплуатации

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Manual 0-2729 43 SECTION 5: SERVICE
C. Reassembling the Torch Head
1. Install the two assembly screws to secure the split
holder and reinstall the O-ring in the rear groove
on the back of the torch head assembly.
PIP Pin Assemblies
Position PIP wires
in notches in back
of split holder
Align notch on
pilot lead with
notch in split holder
Handle O-Ring
(position in rear groove)
Mounting Screws
A-00782
Figure 5-30 Assembling the Split Holder
2. Install the front end torch parts.
WARNING
Disconnect primary power to the system before dis-
assembling the torch, leads, or power supply.
Torch Head Assembly
Standard
Shield Cup
Gas
Distributor Tip Electrode
A-00780
Figure 5-31 Consumable Parts
D. Replacing Torch Switch or Torch Leads to
Head
1. Unsolder the lead(s) at the torch switch being care-
ful not to damage the wires.
2. Carefully solder the wire(s) to the terminals on the
replacement torch switch.
Torch Switch
PIP Pin
PIP Pin
Shield Cup
To Control
Cable Wiring
Butt Splice
A-00784
Figure 5-32 Torch Switch Schematic
NOTE
Be careful not to overheat the torch switch while
soldering the leads to the terminals.
E. Reassembling the Torch Handle and Switch
Assembly
1. Connect the plasma and pilot lead connections at
the torch head.
Remove consumables from front end
and remove screws to allow disassembly
Negative/Plasma
Lead Connection
Torch Handle
O-Ring Pilot Lead Connection
PIP/Torch Switch
Connections
Torch Switch
A-00781
Figure 5-33 Torch Head Assembly in Handle
2. Place the torch head in the handle and carefully
return the torch switch and button to their proper
position.
NOTE
Make sure torch switch and PIP wires are seated in
their guides so that the wires are not pinched when
the handle is secured.
3. Replace the cover on the handle assembly and tighten
the six retaining screws.