Flange bushing (Tensioner bushing)
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We are the company «RefBelholod»
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CARRIER & THERMO KING for more than 10 years.
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→Mechanical Belt Tensioner Arm Flanged Bushing Metal (Genuine) Thermo King SL-100e / SL-200e / SL-400e Part 77-2688 / 2C44986H01
The Genuine Flanged Bushing for Belt Tensioner Pivot Thermo King 77-2688 (Tensioning Mechanism Spacer Sleeve / Genuine Heavy-Duty Alignment Journal) is a precision-engineered mechanical power transmission support component. This flanged metal bushing is tailored specifically to preserve structural соосность, secure proper axial endplay, and guarantee smooth angular rotation tracking of the automatic belt tensioner swing arm across Yanmar diesel setups on SL-e series trailer units.
Within high-capacity logistical frameworks like the SL-100e, SL-200e, and SL-400e, the belt tensioning layout operates dynamically to smooth out sudden crankshaft torque variations during high-frequency start-stop cycles inside automated Cycle-Sentry operations. The flanged spacer sleeve 77-2688 is pressed directly into the tensioner kронштейн pivot journal to handle continuous radial and axial heavy mechanical stress load profiles, isolating the main arm casting from friction wear. Throughout millions of high-mileage fleet operational hours, intense engine vibration exposure triggers inner core ovalization or thinning breakdown of the dynamic shoulder flange. Pivot sleeve wear index alerts are obvious: visible deflection of the tensioner base arm, misaligned tracking layout lines relative to pulley tracks, belt edge fraying, and extreme drive belt screeching logs. Soporting timely field replacement of these cheap journal sleeve blocks completely restores factory pulley parallelism without requiring expensive complete mechanical tensioner overhauls. The genuine replacement is machined from a high-durability specialized wear-resistant structural metal compound adhering to tight builder dimension margins.
This critical mechanical overhaul component is indexed within official factory blueprints as a standalone flanged tracking spacer under primary part catalog index Thermo King 77-2688 (772688, alternative specification 772-688). It serves as a direct engineering cross reference for factory blueprint index 2C44986H01, matching OEM building parameters.
Technical Information:
- Manufacturer: Thermo King (Original OEM Equipment Builder)
- Component Layout: Rigid mechanical pivot bushing integrating an integrated shoulder support flange
- Material Composition: High-grade heavy-duty industrial anti-friction structural metal alloy
- Part Catalog References: Thermo King 77-2688, 772688, 772-688
- OEM Factory Codes: 2C44986H01 standard reference blueprint
- Primary Responsibility: Eliminating arm deflection play and securing exact pulley track соосность across Yanmar engine belt drives
Used in Equipment Logistics:
Engineered for exact fitment on the tensioner arms of diesel trailer refrigeration systems belonging to the framing SL-e group:
SL-e series: SL-100e, SL100e, SL-200e, SL200e, SL-400e, and SL400e configurations (covering Smart Reefer setups and Tier 2 engine platforms).
Catalog Number:
Thermo King: 77-2688, 2C44986H01
Delivery and Warranty:
Fast structural shipping layout options across Russia and Belarus regions. 1-month comprehensive operational warranty included. Distributed inside a secure brand packing bag module to completely shield the precision-machined journal walls and shoulder flange against transit distortion fields.
Product Description: Buy genuine mechanical belt tensioner flanged bushing Thermo King 77-2688 (2C44986H01 alternative) for SL-e series trailer refrigeration units. High-reliability dynamic alignment maintenance for Yanmar diesel drivetrains. Fast shipping.
thermo king 77-2688, buy flanged bushing 772688, tensioner spacer replacement sl-400e, dynamic sleeve pivot sl, 2C44986H01 flanged sleeve, reefer belt drive components, trailer refrigeration components
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