JC MACHINERY & TOOLS JC-GM-PLUS User manual

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Roof Waterproofing Membrane Welding Machine
JC-GM-PLUS
User Manual

JC MACHINERY & TOOLS INC. Quality We Trust
___________________________________________________________________
www.jc-tool.com inf[email protected]
Please read this manual carefully before using this machine and keep it properly for future
reference.
i. Applications
It can be applicable for welding PVC-P、PE、TPO、ECB、CSPE、EPDM、PVDF and other Coated fabric covering,
foil and homogeneous or coating sealing film and PE coating fabric.
ii. Notice
1. Unplug the tools before opening it to avoid of being hurt by exposed wires or component inside the
machine with power
2. Incorrect use of it can cause fire and explosion hazard because of high temperature, especially near
combustible materials and explosive gases.
3. Don’t touch heater tube and nozzle when they are hot. They may cause burns. Don’t point hot air
flow in the direction of people or animals.
4. The voltage rating stated on the welder must correspond to line/mains voltage (120V).
The drop cable / wire with protective earthed conductors can only be used.
5. To ensure operator safety and reliable operation of equipment, the power supply must be installed
power supply and leakage protection at the construction site.
6. It must be running at the correct use of manipulation of the operator, or they may cause a fire or
explosion caused by high temperature.
7. Don’t use welder in the water, or on a muddy construction site, to avoid flooding, rain or moisture.
(Fixing screw)
(Fixing screw)

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●In order to prevent the machine from being damaged during transportation, the
machine is fixed in the steel packing box with screws. When using the machine for the first
time, it is necessary to loosen three machine fixing screws and take them out to remove the
machine from the packing box, as shown in the figure above
拧紧
Unl
ock
可旋转
The handle can be pulled up
and rotated, rotating so that
the handle is at different
angles.
Power cord should be clamped
on the hook to prevent cable
joints from loosening.
Screw down
Unlock
Rotatable

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Technical Parameters
Voltage
120
V
Frequency
50
Hz
power
2000
W
Temperature
0～620℃(32～1148℉)
Welding speed
1～12
m/min
Welding width
30/40
mm
Size( L*W*H)
520*275*815
mm
Weight
22
kg

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iii. Description
19
20
21
18
22
17
23
16
24
15 14 13 12 11 10 9 8 7
6 5
4
3 2
1
30
29
28
27
25
26
31

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1.
Drive silica roller
11
Hot gun fixed slider
21.
Counterweight block 1
2.
Drive roller
12
Hot gun positioning
handle
22.
Counterweight block
3.
Round belt
13
Guide wheel
23.
Universal wheel
4.
Nozzle
14
Guide wheel support
block
24.
Handrail
5.
Pulley
15
Hot Gun Fixed Seat
25.
Clamp
6.
Hot Gun Fixed Plate
16
Locator Fixed Column
26.
Movable handle
7.
Pulley connecting rod
17
.
Laser Line Locator
27.
General power line
8.
Belt wheel fixing block
18
.
Hot gun power cord
28.
Cable connector
9.
Floor Plate
19
Gun
29.
Handle
10.
Guide
20
.
Handle screw
30.
Lifting handle
31.
Side wheel

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iv. Controller Panel
● ON/OFF switch（38）is used for open the main power of the welder.
● Open ON/OFF switch (38), LCD display is shown as figure 1, the hot air blower is under natural
wind without heating.
● Press the button (37) and (36), the screen shows as Figure 2 and the hot air blower
starts to heat until to the setting temperature.
● If press the bottoms (37) and (36) at the same time, LCD display shows as figure 1, the hot air
blower is under natural wind without heating.
● When the welding nozzle is at the right position, press the moving switch (39) and the welder
starts to move and weld. It will stop move if you press the moving switch again.
● When the welder starts to move, the LCD display shows as figure 3.
● The knob (40) is used to adjust the air flow of the air gun, increase the air flow by rotating
clockwise, and reduce the air flow by rotating counter-clockwise.
36
33
32
35
37
34
40
39
38

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VI. Welding parameters setting
1. Welding temperature
Using bottoms Temperature setting knob+ and Temperature setting knob-
on the panel to set the required temperature. You can set the temperature according to
the welding materials and the ambient temperature. LCD display will show the set
temperature and the current actual temperature.
2. Welding speed:
Using bottoms Speed setting knob+ and Speed setting knob- on
the panel to set the required speed according to the welding temperature. LCD display will
show the set speed and the current actual speed.
3. Air volume:
Using the button on the panel to set the air volume, increase the air volume
clockwise and reduce the air volume counterclockwise. When the ambient temperature is
too low and the current temperature can not reach the set temperature, the air volume can
be reduced appropriately.
Figure 1
Figure 2
Figure 3
Current temp.
Setting temp.
Current speed
Setting speed
Current temp.
Setting temp.
Setting temp.
Current temp.
Current speed
Setting speed
Setting speed
Current speed

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上膜边缘
●The machine has a memory function parameters, namely when you use the
welder next time, the welder will automatically use the last set of parameters
without having to re-set parameters.
VII. Positioning the welder
Pressure Lift lever (30) to lift machine, move it to welding position (the edge of upper membrane should
keep in the same alignment with Drive silica roller (1) and the edge of Guide wheel (13), as shown in
figure 4.
上膜
Upper film
Down film
The edge of upper film
Figure 4
(1)
(30)
(13)

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VI. Using Condition
1. The distance between hot air nozzle and ground should be shown as figure 5（We have
adjusted the distance）.
2. The distance between hot air nozzle and Drive roller should be shown as figure 6（We
have adjusted the distance）. You can adjust Hot air nozzle adjusting screw figure 7 if the
distance is not right.
35-42mm
图6
1mm
(Nozzle adjustment screw)
(Nozzle and driving rubber wheel of interval)
Figure 5
Figure 6
Figure 4

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VI. Welding steps
1. Setting welding parameters (see above).
2. When the temperature reaches the set value.
3. Welding machine positioning.
4. Pull up the positioning handle (12) of the air gun, lift the air gun (19), lower the air nozzle (4) and
make it close to the submerged membrane. Move the air gun to the left to insert the air nozzle into
the overlap membrane and make the air nozzle in place. At this time, the welding machine will walk
automatically for welding.
5. Always pay attention to the position of the guide wheel (13) and adjust it by touching the handle
(24) lightly if it deviates from the position.
6. Pull up the positioning handle (12) of the air gun after welding, move the air nozzle to the right
until it stops, and rotate upward until it is locked.
7. After welding, press the button on the control panel at the same time and
and make the air gun in the state of blowing cold air to cool the air nozzle.
8. Turn off the power supply with the power switch.
VI. Routine maintenance
Use steel brush to clean the hot air nozzle.
Clean the air inlet at the back of the hot air blower

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