Tuesday April 10th, 2018 Flashcards Preview

Fuel Injections > Tuesday April 10th, 2018 > Flashcards

Flashcards in Tuesday April 10th, 2018 Deck (11):
1

Water in fuel system

Arguably the greatest problem to fuel systems.

2

Primary filter

The first filter in the fuel stream from the fuel tank.
Before the transfer pump.
Removes large particles.

3

Secondary filter

The second filter in the fuel stream.
Located between the primary filter and the high pressure fuel injection.

4

Gear pump

Positive displacement. ( one way check valve)
Pressurizes the output side to very high pressure.

5

Diaphragm pump

Supplies fuel at low pressure (7 psi).
Engine camshaft activates this pump.

6

Piston-type pump

Operated by the camshaft.
Can withstand higher pressures.

7

Hand primers

Required for priming newly installed filters.
Also purges air from the fuel system when turned off.

8

Roller vane pumps

A permanent magnet electric motor rotates rollers.
Two check valves are located in the this pump one on each inlet an outlet.

9

Vane-type pumps

Pump that uses rotating vanes or rollers to pressurize fuel
(Distributer-type pump)

10

Fuel transfer pumps

Used to move low-pressure fuel from the fuel tanks to the high pressure fuel system.

11

Rack position

Changes plungers rotary position.