# Service bulletin SIL 711

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: 10165035
- Published by NHTSA: 2019\-09\-19
- Manufacturer's number: SIL 711
- Manufacturer's date: 2019\-09\-13
- NHTSA component: EQUIPMENT

## NHTSA's summary

This SIL informed unit owners of several items on the affected units that require improvements or updates for better operation and service. • Change to prevent improper operation when the unit is in crane mode in a two\-block situation \- 990799208 Anti\-Two Block Rework Kit • Additional valve to prevent outrigger cylinder drift \- 990784365 Outrigger Drift Prevention Kit • Change to prevent oscillation in the Boom Down function \- 990810002 Boom Down Valve Spool Change • Update to the Rotation Protection System \- 990814045 Rotation Protection System Kit • Harness to allow operation of the DC pump to over\-ride the rotation protection system \- 990827604 DC Pump Override Rework Harness Kit

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10165035-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10165035-9999.pdf)

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

## Components

Equipment and accessories

## Vehicles listed

- 2019 ALTEC AERIAL DEVICE

JSON: [/v1/bulletins/10165035](/v1/bulletins/10165035)

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