FlexiForce ISTT Quick start guide
INSTALLATION, USE AND MAINTENANCE BY THE INSTALLER
© All rights reserved. FlexiForce®2017
User manual ISTT
ISTT & ISTT-125:
Industrial Spring Tensioning Tool
ISTT use in combination with FlexiForce spring fittings and 1”shaft
ISTT-125 use in combination with FlexiForce spring fittings and 1¼”shaft
Max. Torque 210Nm
Max. RPM 2500
www.flexiforce.com
GB
manual
Before you start; read this manual carefully and check the video on youtube
It is advised to practise the use of the tool in a test enviroment
If anything is unclear or should you have queries, please contact FlexiForce or you supplier
ATTENTION! GENERAL WARNINGS!
To use, operate and service this tool, a number of precautions must be taken.
For safety reasons pay heed to the warnings and instructions given below !
If in doubt, contact your supplier
9This manual has been written for use by experienced fitters and as such is not suitable for d.i.y. purposes or for use by
trainee fitters.
9This manual only describes the operation and servicing of the industrial spring tensioning tool.
9All safety warnings or remarks valid for the installation of the compleet sectional overhead door need to be considered
9Certain components may be sharp or have jagged edges. As such you are advised to wear safety gloves.
9The guarantee will terminate in case components will be added or changed without any consultation with the supplier
9During tensioning, springs can exert large forces. Ensure that you are standing in a steady position.
9Ensure that there is sufficient light during installation. Make sure that there is no one else present other than the fitters.
9All rights derived from this manual are reserved. Technical information is subject to change without notice
CHECK THE TOOL FOR DAMAGES BEFORE TENSIONING A SPRING, DO NOT USE THE TOOL WHEN DAMAGED
UNDER NO CIRCUMSTANCES DISASSEMBLE THE TOOL, BEFORE FIXING THE WINDING PLUG TO THE SHAFT !
ALWAYSE USE THE SICKLE LEVER TO SECURE THE TOOL
MAKE SURE THE GEAR COVER IS FIXED TO THE DRIVE UNIT BEFORE TENSIONING
MAKE SURE THE PROPER SIZE INSERT PIN IS USED ON THE SPRING WINDING PLUG
DO NOT EXCEED THE PRESCRIBED MAX. RPM AND MAX. TORQUE
ONLY USE ISTT ON 1” (25.4MM) SHAFT
ONLY USE ISTT-125 ON 1¼” (31.75MM) SHAFT
ONLY USE ON FF SPRING WINDING PLUGS
MAKE SURE THE INSERT PIN IS TIGHTENED CORRECTLY IN THE GEAR WHEEL
ALWAYSE USE THE RIGHT HAND DIRECTION OF THE DRILL TO WIND UP SPRINGS
USE PROPER DRILL
DO NOT DISMANTLE OR BEND AWAY THE SAFETY LEVER FROM THE DRIVE UNIT
CARRY OUT THE MAINTENANCE AS PRESCRIBED
With the proper maintenance and correct usage the ISTT is suitable to tension at least 3000 torsion springs without any problems.
User Manual ISTT www.flexiforce.com
GB
Maintenance and checks
Keep the teeth of the gear wheel clean and
greased.
Keep the bore of the gear wheel clean and
grease the surface of the bore before use.
Inspect the tool for wear, clearance, damage
before use. Do not use the spring tensioning
tool if safety is not assured !
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Maintenance and checks
Check dimensions A,B,C and D !
(See page 9,10 and 11)
Do not use the spring tensioning
tool if wear limits are crossed !
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1,5 mm
Keep sickle lever clean.
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Grease the nipple on the rear
after tensioning 50 springs
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Test run the device,the surplus of grease
will come out of the drive unit
1
3
45
6
1 : Gear Cover
2 : Select Insert Pin
3 : Large Gear Wheel
4 : Insert Gear Wheel
5 : Sickle Lever
6 : Drive Unit
2
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24 mm
PP
+
Suitable drill
Cordless drill: 18V n = 1500 RPM direction of rotation left hand and right hand.
Power drill: 230V, 750 W n = 2500 RPM max. direction of rotation left hand and right hand.
To wind up a spring always use the right hand direction of rotation of the drill.
Needed tools
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FF Sping plug SHAFT TOOL Insert Pin
FF200 1” ISTT Ø13,3x43
FF263 1” ISTT
FF375 1” ISTT
Ø16x33
FF375N 1” ISTT
FF600N 1” ISTT
FF600N125 1¼” ISTT-125
* Use with FF spring plugs only !!!
* Only use FF insert pins
1HYHUDOWHUWKHLQVHUWSLQVWR¿WWRWKHUEUDQGSOXJV
Select ISTT & Insert Pin
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NEVER USE THE ISTT-125 ON A 1” SHAFT !
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Check before using the tool !
Do not use the tool when the
wear limit is crossed
DIM. A
Max 2,5mm
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DIM.C
Max
9mm
DIM. B
Min 10mm
Check before using the tool !
Do not use the tool when the
wear limit is crossed
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DIM.D Max 1mm
Check before using the tool !
Do not use the tool when the wear limit is crossed
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24 mm 10Nm
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1”
1”
ISTT-125 GEARWHEEL
ISTT-GEARWHEEL
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Check !!!
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//
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//
FF Spring plug Dim X
FF200 20,6mm
FF263 21,1mm
FF375 17,6mm
FF375N 17,6mm
FF600N(-125) 30,6mm
Dim X
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Click !!!
Check !!!
Check !!!
Click !!!
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PP
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PP
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Release tension
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Use of the ISTT / ISTT-125
Select the correct version ISTT for used
type of shaft
Make sure that one always uses the
DSSURSLDWHLQVHUWSHQ¿WWLQJWKHFRUUHVSRQGLQJ
plug! (page 7)
During tensioning the driveshaft of the device
will get warm, this is normal, the aluminium-
casing will absorbe the heat.
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This manual suits for next models
1
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