10
D. Installation of the Control Box Assembly (P/N 3383)
1. Mount the control box at a convenient location and use the hose supplied to connect the box with the unit mounted
on the torch.
2. Connect the control box to a source of oil free shop air capable of delivering at least 20 scfm at 80 psig. The hose used
should be at least 3/8" ID.
3. Use the SJO wire supplied to connect the control to the cutting machine control. If the ESP system is used, then the
connection may be made to the appropriate amphenol connector on the back of the ow control. The connection
of the control is made at the terminals marked F. C. An appropriate cable may be selected from the table of optional
accessories.
4. The user supplied 115 V ac may be connected to the terminals so marked. This will allow manual operation of the air
curtain control.
5. Connect a ground wire to the stud provided in the control box.
REMOVE HEAT SHIELD,
SET DIMENSION @
.10, SET PRESSURE @
20 PSIG
.10 INCH
RETAINING
NUT
AIR
INLET
BODY
BUSHING
PT-19XL or PT-15XL
Torch Body
C. Installation of Air Curtain Assembly on PT-19XL
or PT-15XL using Long Beveling Nozzles (Figure
3).
1. Remove the plastic nozzle Retaining Cup from the
torch.
2. Slide the chrome plated Air Curtain Body, P/N 29550,
onto the stainless steel body of the torch.
NOTE: It will ease assembly if all O-rings in the air
curtain body are lightly lubricated with silicone
grease.
3. Replace Nozzle Retaining Cup, P/N 34085, and any
front-end parts you may have removed from the torch.
Do not replace the heat shield, P/N 948186.
4. Install an Air Curtain Sleeve, P/N 12551, over the com-
pletely assembled torch and snap it into the Air Curtain
Body. Secure the sleeve by installing the air curtain
Retainer, P/N 21553. The Retainer turns to engage or
disengage with the locking pins.
5. Adjust the position of the Air Curtain Assembly on the
torch until the nozzle is recessed 0.10 inch from the end
of the air curtain sleeve as illustrated in Fig. 1. Lock the
Air Curtain in place by tightening the Allen screw on
the Air Curtain.
NOTE: The Air Curtain Sleeve must remain completely
bottomed in the Air Curtain Body for the adjust-
ment in step 5 to be correct.
Figure 3. Air Curtain Installation
On PT-19XL or PT-15XL Bevel
SECTION 2 INSTALLATION