Mercedes S-Class W-140

1991-1999 of release

Repair and operation of the car

The oil pump - a design and details of installation

Details of installation of the oil pump

1 — the Oil pump
6 — the Bolt
7 — the Asterisk of the oil pump 8, 9 of Bolte with laying
10 — the Compensator
S43 — the oil level Sensor

Scheme of the pump and filter

1 — the Oil receiver and the filter of rough cleaning of the oil pump
2a — the Tandem oil pump, the first step
2b — the Tandem oil pump, the second step
3 — the Reducing valve
4a — the Reducing valve
4b — an oil pressure Reducer

5 — the Antidrainage valve
6 — the Thermostat
7 — Perepuskna the valve of an oil filter
8 — the Oil filter
9 — the Drain valve of an oil filter
10 — the Air oil cooler
11 — the Sensor of emergency pressure of oil

Design of the two-level oil pump

1 — the Case of the first step of the oil pump
2 — the Roller of the drive of the first step with a napressovanny gear wheel
2a — the Gear wheel of the first step
3 — a pump Shaft
3a — the Gear wheel of the first step
4 — the Case of the second step of the oil pump
5 — the Dish-shaped valve
6 — the Gear wheel of the second step
7 — the Gear wheel of the second step
8 — the Cover a guide
9 — the Case of the reducing valve
10 — the Piston of the reducing valve
11 — the Cap
12 — the Cover with an oil receiver
13 — Pruzhina
14 — the Plunger

15 — the Perepuskny opening in the piston of the reducing valve
15a — the Oil channel connecting to the working camera
16 — the Working camera
17 — the Opening under a pin
18 — the Driving asterisk
D — the Soaked-up oil
Е — the absorption Camera
F — the Channel connecting to the trunk main
P — the Pressure chamber, primary stream of oil
S — the Pressure chamber, an oil stream at the exit from the pump
G — the Opening of the reducing valve