# Service bulletin TSIB 21\-03

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10191836
- Published by NHTSA: 2021\-05\-06
- Manufacturer's number: TSIB 21\-03
- Manufacturer's date: 2021\-04\-23
- NHTSA component: EQUIPMENT; ELECTRICAL SYSTEM

## NHTSA's summary

Technical Service Information Bulletin revising the lubrication schedule for the scroll bearing on specifically equipped vehicles with the Powerex direct drive electric air compressor.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10191836-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10191836-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Equipment and accessories

## Vehicles listed

- 2014 to 2021 NEW FLYER XCELSIOR

## Other bulletins for the same vehicles and component

- [TSIB 26\-06](/bulletins/11032698.md), 2026-05-14, Service bulletin: ELECTRICAL SYSTEM. Bulletin to follow when replacing LV batteries on buses equipped with certain Vanner battery equalizers.
- [TSIB 15\-07](/bulletins/10194272.md), 2021-05-24, Service bulletin: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Alternator Power Cable Support Inspections
- [SMB154](/bulletins/10194271.md), 2021-05-24, Service bulletin: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Governor D\-2. This bulletin provides revised information on the Governor D\-2 settings for your New Flyer Vehicle.
- [SMB195](/bulletins/10191832.md), 2021-05-06, Service bulletin: ELECTRICAL SYSTEM. This Service Manual Bulletin provides additional information regarding the 6,000 mile Preventative Maintenance requirements for the low voltage battery system.
- [SMB179](/bulletins/10159335.md), 2019-05-01, Service bulletin: ELECTRICAL SYSTEM; SERVICE BRAKES, AIR; SERVICE BRAKES, HYDRAULIC. Service Manual Bulletin \- revised troubleshooting charts for MGM E\-Stroke brake monitoring system
- [ITS58508](/bulletins/10153224.md), 2019-02-19, Service bulletin: EQUIPMENT; ENGINE. This Maintenance Instruction Describes How to Retrofit Upgraded PEM Electric Drive Motor Mount Hardware and Fuel Cell Mounting Hardware.
- [SMB178](/bulletins/10128680.md), 2018-02-12, Service bulletin: EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Service Manual Bulletin provides new OEM \(Kongsberg\) PM inspection requirements and new installation procedure for the adjustable floor pedal moveable arm on specifically equipped vehicles.
- [PMB049](/bulletins/10128679.md), 2018-02-12, Service bulletin: EQUIPMENT. This Parts Manual Bulletin provides new part number information for the moveable arm kit for the Kongsberg brake and accelerator assembly on specifically equipped vehicles.
- [TSIB\-17\-01](/bulletins/10117562.md), 2017-09-14, Service bulletin: EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Technical Service Information Bulletin Describes the Recommended Maintenance for Flexible Coolant Hoses Located Above the Electronic Equipment Enclosure on Xcelsior Model Vehicles Equipped with Rooftop HVAC Sytems.
- [SMB122](/bulletins/10110569.md), 2017-08-04, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Service Manual Bulletin \- Rear Axle Housing Oil Filter.

JSON: [/v1/bulletins/10191836](/v1/bulletins/10191836)

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