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