Motorisation of an industrial sectional door with replacement of the torsion springs: securing the site, work on the shaft and the balancing system, spring replacement, installation of the motor unit, wiring of the controls, adjustments and operating tests.
A Shasama Fermetures project at 2 rue du Moulin de la Rousselière, 44800 Saint-Herblain: work on an existing industrial sectional door, restoring the balancing system and installing a motor unit suited to the site’s professional use.
What was carried out on site
- Secure the work area and set up the working-at-height access
- Work on the door’s shaft and balancing system
- Replace the torsion springs
- Install the motor unit on the door shaft
- Connect the power supply and the controls
- Adjust the operation, then test the cycles before returning it to service
Intervention facts
- Location
- Saint-Herblain · 2 rue du Moulin de la Rousselière, 44800
- Closure type
- Industrial sectional door
- Specific intervention
- Motorisation and replacement of the torsion springs.
- Client profile
- Professional site
- Documented description
- Motorisation of an industrial sectional door with replacement of the torsion springs: securing the site, work on the shaft and the balancing system, spring replacement, installation of the motor unit, wiring of the controls, adjustments and operating tests.
- Project category
- Motorisation
- Photo documentation
- 5 photographs
- Identified products
- Industrial sectional door
From inspection to return to service
This sequence describes our working method for this type of job. The operations specific to this site are listed separately once confirmed.
Inspect and secure
Check the condition of the sectional door, its balancing system and the main mechanical components before securing the work area and setting up the working-at-height access required.
Replace the springs
Remove the existing springs and fit the new torsion springs to restore a balance suited to the way the door operates.
Install and set up the motorisation
Fit the motor on the door shaft, make the electrical connections and the wiring required, then carry out the various operating adjustments.
Test the closure
Run several opening and closing cycles to check the door’s overall behaviour, its balance and the operation of the motorisation before returning it to service.
The matching service, explained step by step: Sectional motorisation
All our work on this type of closure: Industrial closures
Why motorise an industrial sectional door?
Motorising an industrial sectional door makes daily opening and closing easier, particularly where the door is large or used frequently in a warehouse, a workshop, a logistics area or business premises.
It reduces manual handling, improves comfort in use and gives more regular travel. Combined with a properly balanced door and mechanical components in good condition, the motorisation carries the movement of the closure without a manual operation at every passage.
Depending on what the site needs, different control devices can also be paired with the motorisation: push button, key switch, remote control or a control system suited to how the building is run.
Before motorising an existing industrial sectional door, however, it matters to check the condition of the springs, cables, rollers, tracks, fixings and safety devices. On this Saint-Herblain project the springs were therefore replaced as part of the mechanical overhaul that preceded commissioning the motorisation.
What to watch for afterwards
A motorised industrial sectional door should keep a regular movement and a sound mechanical balance as it is used.
- Report any unusual noise, jerky movement or difficulty during opening or closing without delay.
- Do not force the door when an obstacle, an imbalance or abnormal behaviour is present.
- Keep an eye on the condition of the cables, springs, rollers, tracks and other mechanical components subject to operating cycles.
- Have the motorisation, the adjustments and the safety devices checked as part of the door’s servicing.
Project report
Every stage in pictures
5 captioned on-site photographs
