Operation5556−1/A1
Winterthur Gas & Diesel Ltd.
2/ 3
2
HP
DB
17
19
OB
16
SC
14
13
LO
1
11
10
9
8
7
OI
6
4
5
FIFO
18
WCH00832
3
12
15
AS
Fig. 2: Fuel Pump
1 Oil pipe 16 Roller pin
2 Bottom spring carrier 17 Regulating sleeve
3 Orifice 18 Pump plunger
4 Roller 19 Pump cylinder
5 Cam
6 Guide piston
7 Bottom housing AS Accumulation space
8 Top housing DB Leakage fuel
9 Compression spring FI Fuel inlet
10 Driver (of pump plunger) FO Fuel outlet
11 Top spring carrier HP HP fuel to fuel rail
12 Toothed rack LO Leakage fuel outlet
13 Cover (toothed rack) OB Lubricating oil bore
14 Non-return valve OI Lubricating oil inlet
15 Pump cover SC Suction chamber
2014
Fuel Pump
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