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Operating instructions English STB 81 STB 83 STB 85 Battery-operated hand tool for plastic strapping Patent pending www.strapex-stb.com ® V 09.24_EN...
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These operating instructions form part of the product, which is why they must be stored safely for later use or subsequent owners. Validity: ● STB 81 from serial no. A/24085001 ● STB 83 from serial no. B/24085001 ● STB 85 from serial no. C/24085001...
Maintenance and repairs Maintenance table Cleaning the device Re-greasing the unit Cleaning/replacing the tension wheel Cleaning/replacing the tooth plate Replacing the knife Resetting the device Eliminating faults Technical data EC Declaration of Conformity (copy) 3 of 32 V 09.24_EN STRAPEX STB 81_83_85...
The applicable legal regulations must be considered for the disposal. ► The charger and batteries should be passed on to bodies responsible for environmentally friendly recycling. ► Observe any information, warnings and instructions issued by the battery manufacturer. 4 of 32 V 09.24_EN STRAPEX STB 81_83_85...
Power tools create sparks which may ignite the dust or fumes. c) Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control. 5 of 32 V 09.24_EN STRAPEX STB 81_83_85...
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If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools. f) Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control. 6 of 32 V 09.24_EN STRAPEX STB 81_83_85...
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This will ensure that the safety of the power tool is maintained. b) Never service damaged battery packs. Service of battery packs should only be performed by the manufacturer or authorized service providers. 7 of 32 V 09.24_EN STRAPEX STB 81_83_85...
Injury caused by hazardous substances Products may contain hazardous substances that suddenly start to leak while being strapped. Wear personal protective equipment appropriate to the potential hazard. 8 of 32 V 09.24_EN STRAPEX STB 81_83_85...
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Do not clean the device with water or steam. Protect the device against rain when using it outdoors. Always use genuine spare parts The use of other spare parts excludes warranty services and liability. 9 of 32 V 09.24_EN STRAPEX STB 81_83_85...
Control panel Battery release button Battery Type designation Strap guide display 10 Serial number (XYYMMYYYY) X A=STB 81, B=STB 83, C=STB 85 JJ Year of manufacture MM Month YYYY Consecutive number 11 Welding unit 12 Tensioning mechanism “Home” screen on the control panel 1 “Tensioning force” field...
● The welding time is adjustable - Seven steps (chapter 4.6). ● The devices can be operated with various - STB 81: 9–10 mm, 12–13 mm strapping widths (chapter 7): - STB 83: 12–13 mm, 15–16 mm - STB 85: 15–16 mm, 18–19 mm...
The charge level is shown as a % and with a progress bar (1). – Below 10%: Minimum charge, battery must be charged. – The info icons (2) only appear if a corre- sponding status applies (chapter 6.8). 13 of 32 V 09.24_EN STRAPEX STB 81_83_85...
For an emergency stop in the event of hazards (trapped person): ● Press the trigger (4), tensioning button (1) or welding button (2) to stop the motor immediately. ● Press the trigger (4) to release the tension in the strap. ● After welding, cut the strap with the tool (strap shears). 14 of 32 V 09.24_EN STRAPEX STB 81_83_85...
The unit currently selected is dis- played in blue. ► Press the N or lbf unit to set it. ► Pressing the “Confirm input” (3) button saves the set unit for the tensioning force. – The display switches back to the “Settings” page. Overview of the adjustable tensioning force values STB 81 1000 1100 1200 lbf* STB 83:...
– A red lock symbol appears next to the 1700 N “Battery charge level” display in the status bar. – The lock symbol (2) appears as locked in the “Settings” menu. 16 of 32 V 09.24_EN STRAPEX STB 81_83_85...
Sleep mode To prevent the battery from draining when the device is not needed, the device switches to sleep mode if it has not been operated for approx. five minutes. – The control panel is switched off (black). ► Pressing the trigger deactivates sleep mode. 17 of 32 V 09.24_EN STRAPEX STB 81_83_85...
The number of device cycles is displayed. 184’235 ► Pressing the “Confirm input” (4) button chang- es the display back to the “Settings” screen. ► Pressing the “Home” (5) button changes the display back to the “Home” screen. 18 of 32 V 09.24_EN STRAPEX STB 81_83_85...
As a result, the strap cannot be tightened. Insert the strap all the way in. The tensioning mechanism lowers and the strap is guided. ► Remove hands from the straps before tensioning! 19 of 32 V 09.24_EN STRAPEX STB 81_83_85...
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Welding without strap tension: Briefly press the tensioning button then press the welding button (chapter 3.1, pos. 2). CAUTION Hot welding point on the strap. Wear protective gloves 20 of 32 V 09.24_EN STRAPEX STB 81_83_85...
► Strap the packaged goods again. ► Check the quality of the strap (chapter 7). ► If you are unable to achieve a good sealing, the device must be checked by the service depart- ment. 21 of 32 V 09.24_EN STRAPEX STB 81_83_85...
● STB 81: 9–10 mm, 12–13 mm ● STB 83: 12–13 mm, 15–16 mm ● STB 85: 15–16 mm, 18–19 mm 5.3.1 STB 81: Converting from 10 mm to 13 mm Required parts Order number Strap guide, internal, front 13 mm (1) 1832.031.150...
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► Undo the Torx counter-sunk screw (6) and remove the strap guide, external, rear, 16 mm (5). Mount the strap guide, external, rear, 13 mm (5) (lock the Torx counter-sunk screw with Loctite® 222) 23 of 32 V 09.24_EN STRAPEX STB 81_83_85...
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► Undo the Torx counter-sunk screw (6) and remove the strap guide, external, rear, 19 mm (5). Mount the strap guide, external, rear, 16 mm (5) (lock the Torx counter-sunk screw with Loctite® 222). 24 of 32 V 09.24_EN STRAPEX STB 81_83_85...
► Carefully spray the welding unit at the two points (4) with a high-pressure-resistant adhesive lubricating oil spray (e.g. Würth HHS 2000). ► Re-mount the side cover (3) and strap guide, internal, rear (2). 25 of 32 V 09.24_EN STRAPEX STB 81_83_85...
E53 (E54), red display + ● Welding start time-out. ► Reset the device pulsing (long). ● Foreign body in the device. ► Contact the service department if & symbols appear. the error keeps occurring. 29 of 32 V 09.24_EN STRAPEX STB 81_83_85...
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► Insert the strap again. symbol appears. ► Clean or replace the tension wheel. If the error cannot be fixed by applying the measures described above please contact the local ser- vice department! For other errors/error numbers not described here please contact the local service department! 30 of 32 V 09.24_EN STRAPEX STB 81_83_85...
Technical data STB 81 STB 83 STB 85 Weight 3.8 kg (inc. battery) 4.0 kg (inc. battery) 4.2 kg (inc. battery) Dimensions Length 367 mm Length 367 mm Length 367 mm Width 149 mm Width 149 mm Width 152 mm...
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