E-ONE HUSH 1988: UNKNOWN OR OTHER
NHTSA Campaign ID Number: 91V124000
| Make | Model | Year |
|---|---|---|
| E-ONE | HUSH | 1988 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1991-07-26 | 1991-07-23 | 1991-07-31 |
Production Dates: 1988-07-01 - 1991-05-01
Manufacturers Involved: E-One Incorporated
Component: UNKNOWN OR OTHER
Potential Number Of Units Affected: 91
Report Initiator: ODI ODI Report
IN THE EVENT THAT THE PROPER PUMP ENGAGEMENT SEQUENCE IS NOT FOLLOWED THE "OK TO PUMP" INDICATOR LIGHT WILL ILLUMINATE WHEN THE TRANSMISSION IS IN A DRIVE GEAR.
AN ELECTRONIC CIRCUIT AND MODULE WILL BE INSTALLED TO LOCK-OUT THE PUMP THROTTLE ON ELECTRONICALLY CONTROLLED TRANSMISSIONS IF THE CORRECT LOCK-OUT PROCEDURES ARE NOT CARRIED OUT.
SYSTEM: FIRE TRUCK WATER PUMPS.VEHICLE DESCRIPTION: FIRE TRUCKS WITH ALLISON ATEC ELECTRONIC TRANSMISSIONS,ALLISON MODELS HT741 AND MT648.CONSEQUENCE OF CONDITION: UNLESS THE TRANSMISSION IS PLACED IN THE LOCK-UP MODEBEFORE THE PUMP IS ENGAGED, THE ENGINE CAN DEVELOP SUFFICIENT POWER TO OVERRIDETHE TRUCKS PARK BRAKES, RESULTING IN VEHICLE MOVEMENT WITHOUT PRIOR WARNING ANDA POSSIBLE ACCIDENT.
