Figure 11
The mechanical low pressure pump (1) is fitted axially behind the braking system air compressor (2), if fitted. Otherwise, it is fitted
directly on t he rear part of the gear casing.
It has the task of pumping fuel at low pressure to the high pressure pump.
1. Mechan ical low pressure pump — 2. Braking system air compressor — 3. Safety valve —
4. By-pass valve (Components 3 and 4 are housed inside the pump).
Main specifications
Safety valve (4):
- Valve opening pressure: 9,5 bar.....................................................................
- Maximum pressure: 12 bar........................................................................
By-pass valve (5):
- Valve opening pressure: 1,5 bar.....................................................................
89701
14
SECTION 2 - FUEL
VECTOR 8 ENGINES
Base - April 2006 Print P2D32V001E
Low pressure pump for DRAGON applications