Belt ID is AAA717
Table of Contents
Belt ID is AAA717
Otis Coated-Steel Flat Belts AAA717AJ2
Technical parameters is in the pictrues, please check by yourself.
And Belt ID is AAA717X1/AAA717W1/AAA717AM2/AAA717AP2/AAA717AJ2/AAA717AD1/AAA717R1/AAA717AJ1
These belts are available from stock with a minimum order size of 10meters.
Ordering the belt id
To order the belt id, send the exact model or reference code printed on the original part to [email protected]. Please quote the full code including any suffix so that our team can confirm the correct variant, current stock and lead time before you commit.
About the belt id
Elevator and escalator installations are built around a relatively small number of serviceable assemblies, but they fail at very different rates. The belt id sits in the chains / belts / drives group, and it is replaced on a different service interval from the assemblies around it. In practice the failures we see on belt id come down to pitch elongation beyond the wear limit, seized rollers, and sprockets whose tooth profile has hooked after running with a stretched chain.
Every belt id we supply is inspected before dispatch. Each unit is checked for physical damage, correct marking and the specific wear or degradation patterns that matter for this class of component, then packed to survive international transit. Where a superseded revision is the only one available, we say so plainly and explain the substitution, so the installing engineer can make an informed decision rather than discovering the difference on site.
Buying guidance and compatibility notes
Before ordering the belt id, confirm three things. First, the chain pitch, link count and the number of strands, since a duplex chain will not substitute for a simplex one. Second, chain numbers are frequently local to a manufacturer, so we match on pitch and link count rather than on the printed number alone. Third, whether the installation is a traction lift or an escalator, since duty cycle and loading differ between the two.
On fitting, one point is worth repeating: always measure elongation across at least twenty pitches — a chain that looks acceptable over five links is often past its limit overall. Almost every repeat failure we see on belt id traces back to a related component that was left in place, or to an adjustment that was assumed rather than measured.
Lubrication is a compromise rather than a solution. Too little and the rollers seize; too much and the lubricant collects abrasive dust, which accelerates wear faster than running dry would have done.
Drive components wear as a set and fail as a set, even when only one part looks worn; the operating environment matters more than the specification sheet suggests — a damp well and a dry machine room consume the same part at different rates.
Belt drives fail differently from chains. A belt does not elongate gradually so much as lose its friction surface, so the first symptom is usually slip under load rather than a change in pitch.
If you are unsure which variant of the belt id you need, send a photograph of the nameplate and the existing component alongside a description of the fault. That is usually enough for our team to identify the correct replacement without a site visit, and it avoids the cost and delay of returning an incompatible part. We are also happy to advise on the other serviceable items in the same chains / belts / drives group, so a planned shutdown can cover several wear items at once.
Related parts and further reading
Because belt id is only one item in the chains / belts / drives group, these related pages may help you plan the work:
- Handrail drive chains
- Escalator Main Drive Chain
- Escalator Step Chain
- Step Chain Sprocket
- Step Chain Tensioner
Reference sources
The compatibility information on this page was cross-checked against the following authoritative references. Always confirm the exact reference against your own equipment nameplate.
