Maintenance & Repair (continued)
Maintenance & Repair (continued)
Exchanging the Detection Pin Area
(1) CTZW(M)(L)-0801 (Long Handle Torch and CTPW(M)(L)-0801 (Straight Torch) Exchange Method
Disassembly
Remove rubber sleeve from handle, remove
screws from handle and body cover, and take
off handle and body cover
Handle
Handle
Exchanging the Detection Pin Assembly
Exchanging the Detection Pin
Check Item
Has the hole at the end of
the tip changed size?
Has the tip of the electrode
started to wear out?
The center area of the
electrode is less than
1.5mm.
The center area of the electrode is
greater than 1.5mm.
Center area is
no more than
1.5 mm
If the depth of the
electrode consum-
able area goes
beyond 1.5 mm in
depth, there
becomes the risk of
burn damage to the
torch.
The hole is perfectly
round
Hole
Perfect Circle
Oval Shape
Cutting in this
condition will
result in less
focused cuts of
poorer quality.
T
i
p
E
l
e
c
t
r
o
d
e
The hole has started to enlarge
and becomes oval shaped.
Correct
Exchange Signs
Assembly
Fasten handle and body cover with screws to
assembly the torch. Be careful not to pinch the
cables as you attach the cover. Insert the
rubber sleeve over the handle, and tighten.
Rubber Sleeve
On the straight torch, remove the rubber tube
from the cable side, turn the handle counter
clockwise from the torch body and remove.
Body Cover
Detection Pin
Detection
Pin
Detection Pin Cover
Detection Pin Cover
Pull the detection
pin cover up
Pull out detection pin
with needle nose
pliers
Manually insert new
detection pin
Insert detection pin
inside the groove
Insert new detection pin
assembly inside the
groove
Cover connection
terminals with
protective tube
Raise up the detection
pin cover
Disconnect connec-
tion terminals
Torch Body
After performing a number of cuts, you will begin to notice some of the effects below during
cutting. When this happens, inspect the tip and electrode, and if any of the consumable parts
are in need of change, please change them.
Please do not attempt to grind the tip or electrode
Phenomena While Cutting
Detection Area
• Pilot arc does not easily ignite, and bad starts occur
Tip, Electrode
• During the start, a loud “BAAHHHH” sound can be heard
Electrode
• Even after exchanging the tip, weird shape holes occur
Electrode
• The cutting area begins to bend aways from terminal
Tip
• The tip sticks to the base material
Tip
