The Linear 2100-657-BT is an OEM replacement Idler Cover for Linear/OSCO gate operator systems. Idler cover with black texture finish for HSLG and GSLG-A operators. This part is engineered to restore original performance and is compatible with Linear OSCO HSLG series gate operators and Linear OSCO GSLG-A series gate operators. Constructed from Steel with black texture coating, this component meets the mechanical demands of continuous gate operation. Always consult the applicable Linear/OSCO service manual before installation to verify fitment.
| Feature | Specification |
|---|---|
| Model | Linear 2100-657-BT |
| Item Type | Idler Cover |
| Materials | Steel with black texture coating |
| Mounting | Fastened to operator frame over idler assembly |
| Alternate Part Numbers | 2100-657-BT, 2100657BT, 2100657-BT |
A: This cover protects the idler wheel or idler sprocket assembly on HSLG and GSLG-A series slide gate operators from rain, debris, and environmental contamination.
A: HSLG stands for Heavy-duty Slide Gate and GSLG-A is a variant designation within the same Linear OSCO 2100-series product family. Both share compatible idler cover geometry.
A: BT denotes Black Texture finish - a textured black coating (typically powder coat) applied over the base metal for weather resistance and aesthetics matching the operator housing.
A: The 2100-657-SS-BT is an upgraded variant made from 304 stainless steel with the same black texture finish, offering enhanced corrosion resistance in harsh or coastal environments.
A: Replace the idler cover when it is cracked, missing, or damaged, as an exposed idler assembly is vulnerable to debris intrusion that can accelerate wear on the idler and drive chain.