NAVAC NTB7L BreakFree Power Tube Bender Kit User Manual
- June 9, 2024
- NAVAC
Table of Contents
NTB7L
BreakFree® Power Tube Bender
User Manual
SAVE THIS MANUAL
FOR FUTURE REFERENCE
Safety Guide
Warning: To avoid injury, please read this instruction manual carefully before use.
- Keep work area as clean as possible to avoid slips, falls or other injury while using tool.
- Do not operate this or any other tool while under the influence of medications, drugs, or alcohol.
- Keep this and all other power tools away from minors and any other untrained individuals.
- Do not attempt to operate this tool with bending tool components from other manufacturers. Use the OEM parts included in the kit to avoid injury, tool destruction and a void warranty.
- Keep all body parts, appendages, or objects away from moving parts during operation.
- Product warranty is void if any changes, modifications, or customizations of the tool have taken place.
- Batteries must be left intact and sealed; in addition to a void warranty, opening lithium-ion batteries may result in severe injury. Dispose of and handle batteries in accordance with local environmental regulations.
- For troubleshooting faults or technical issues, please refer to table 2 and table 3.
NTB7L Parts Diagram
Technical parameters
| Model | NTB7L |
|---|---|
| Tubing OD | 1/4″, 5/16″, 3/8″, 1/2″, 5/8, 3/4″, 7/8″ |
| Dimension | 12.6″x9.8″x7″(325x250x180mm) |
| Weight | 13 lbs (5.9 kg) |
Battery pack
Battery| 7.4V 2Ah 14.8Wh
Quick Charge| 30 minutes
Ambient Temperature| 41F-104F (5C-40C)
Charger
Power Supply| AC 100-240V (50/60Hz) 50W
Output Voltage| 8.3V
Output Current| 3.5 A
Ambient Temperature| 41F-104F (5C-40C)
Table 1
Tube bender operating instructions
-
Preparation
Hard copper tubes need to be annealed (soft copper tubes may not be annealed). Same as traditional manual bending, deformed (squished, kinked, oval, etc.),oxidized, or hardened copper tubings will result in failure. Always use fresh soft copper tubings. -
Crossbar installation
Tighten crossbar screw to lock the crossbar on the tool. -
Battery installation
-
Use of tube bender
4.1 Set up tubing size selector, then lock;
Loosen locking nut on tubing size selector, slide it to the desired position: as shown below (@, 2, G3), tighten locking nut on the tubing positioner.
4.2 Align size notch to copper tube
Turn size selection wheel, let the right size notch facing towards tool body, align tube onto the notches on both sides. WRONG SIZE NOTCH WILL RESULT IN FAILED BEND, OR FUTHER DAMAGE THE TOOL ITSELF. 4.3 Mandrel installation
Choose the correct size mandrel. Allow angle marks facing up. Attach mandrel to the top of the Pushing Head by simply pressing down until you feel the spring latch engages. To disassemble, push mandrel out using two hands, each on one side of the mandrel. 4.4 Bend tube
Press power switch to turn the tool on. When the indicator light is green, hold the copper tube with one hand, put it into tube notch so it’s well fit. Use the other hand to push the control button forward.
Warning: Avoid physical contact with moving parts of the tool when bending.
The copper tube will be bent to 90° when
bender stops automatically.
To bend other angles, refer to angle marks on mandrel. -
Release tube
Pull control button backward, mandrel will back up. Tube will be pushed out automatically. -
Standby
6.1 After bending, tap Power Switch, turn tool to standby mode.
6.2 Tool will automatically enter power saving mode, indicator light will go out if no operation in 5 minutes.
Reverse bender (*Reverse bender is sold separately)
- Lock reverse bend retaining block using Screw A onto tube bender, press appropriately sized Mandrel with angle mark side facing down into the reverse bend retaining block.
- Lock crossbar onto reverse bend retaining block, then insert it into the pushing head and lock it with Screw B.
- Slide tubing size selector into the right position (refer to 4.1).
Select desired notch size on tube size selector facing toward mandrel, put copper tube into size notch on both side, then start to reverse bend.
Charging
- Press down battery release tabs to remove battery.
- Insert battery into the charger notch.
Troubleshooting
- Electrical Failures
Problem| Possible Cause| Solution
---|---|---
Work indicator one flash one off| Short circuit| Contact the manufacturer or dealer to repair
Work indicator two flash one off| ID detection failure| Check the battery or ID pin position
Work indicator three flash one off| Battery temperature protection| Wait for the battery to cool down or heat up
Work indicator four flash one off| Overcurrent protection| Reboot
Work indicator five flash one off| Motor temperature protection| Waiting for the motor to cool down
Work indicator six flash one off| Limit switch protection| Contact the manufacturer or dealer to repair
Charger indicator light flashes rapidly| Battery or charger failure| Contact the manufacturer or dealer to repair
Table 2
- Other Failures**
Problem| Possible Cause| Solution**
---|---|---
Bender does not run or stops while operating when power switch and operation button is pressed| Low battery power| Charge
Line or motor failure| Contact the manufacturer or dealer to repair
Copper tube deformation, fracture, poor angle| The selected tubing size selector notch does not match the copper tube| Select a suitable tubing size selector notch
The selected mandrel does not match the copper tube| Select a suitable mandrel
The selected gear on the crossbar does not match the copper tube| Follow the instructions on the crossbar to select the appropriate gear
Tubing size selector is not locked| Lock the tubing size selector
The bent copper tube is hard copper tube| Anneal the hard tube or choose thin- walled copper tube
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