| DESCRIPTION
Extending lip
Stertil Stokvis X Series dock levellers have a telescopic lip which extends in line with the platform, operated by a second hydraulic ram.
Reinforcement under the lip is set back by 175mm to allow a good landing on the vehicle deck; this ‘under-lip clearance’ can be increased to 360mm for use with vehicles with raised threshold or set-back floor.
Precise control of lip extension allows it to be placed accurately onto the rear of the vehicle deck, so that vehicles can be fully loaded or unloaded by pallet truck.
Side fingers
The lip can be supplied with auto-retracting finger sections, 175mm wide at each side to facilitate servicing of narrow vehicles, and to prevent damage if the lip is inadvertently extended into an off-centre parked vehicle.
Noise reduction
The safety support (cross traffic) legs are provided with shock absorbers to reduce noise levels when parking the platform (max 70dBA).
Control, operation
Control is by four independent illuminated push buttons.
On pressing the 'Up' button the platform rises; the telescopic lip is extended by means of the 'Out' button. The platform will not descend while either is in use. When both are released the platform will descend under controlled gravity until the lip rests on the vehicle deck.
Lip extension is controlled using the 'Out' and 'Retract' buttons.
When loading/unloading is completed, pushing the 'Auto park' button returns the platform and lip automatically to the parked position.
LOADING
Load rating is 6000kg, being the total maximum load capacity as defined by EN1398 which may be carried on a single axle.
DIMENSIONS
Lip
Standard lip length: 600mm.
Optional: ≤2200mm long platforms can have 775mm long lips. ≥2500mm long platforms can have 1000mm lips.
Lip extension is fully controllable up to the maximum value.
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Platform
Selection of dock leveller platform length depends primarily on the expected range of vehicle floor heights compared with the dock floor level, taking into account the maximum possible incline of the platform.
The maximum incline permitted by the EC/EN 1398 standard is 12.5% (7º or 1:8), but in practice Stertil Stokvis sizes are based on a lower incline since this allows smoother and running and a shallower incline for loading.
We recommend consultation with Stertil Stokvis at an early stage in dock planning for guidance on selection of the correct size.
Platform standard sizes
Length excludes fully extended lip.
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| Operating range (mm) |
| above dock |
below dock |
|
| Frame height (mm) |
| Models XF* and XP* |
|
| 2000 |
270 |
390 |
585 |
| 2200 |
300 |
380 |
585 |
| 2500 |
335 |
355 |
585 |
| 2800 |
375 |
335 |
585 |
| 3000 |
360 |
330 |
585 |
| 3500 |
375 |
435 |
700 |
| 4000 |
410 |
380 |
700 |
| 4500 |
390 |
355 |
700 |
Platform widths (mm): 1750, 1830, 2000, 2110, 2250.
* Codings F and P represent frame or pit installation. see page 4. For specific pit details refer to Stertil Stokvis
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