Mercedes S-Class W-140

1991-1999 of release

Repair and car operation

Dismantling and assembly of the pump of the amplifier of a steering

Steering pump of usual type

Design of the steering pump of usual type


2 — the pump Case 3 — the Plate 4 — the Flange 6 — Kulachkovaya an insert 7 — the Rotor 11 — the Leading shaft 13 — the Epiploon 16 — the Blade 18, 34a, 34b — Lock rings 21, 22, 26a, 26b, 44 — Sealing rings	30, 43 — Springs 32 — the Valve of management of a stream 35 — the Tank 36 — the Bolt 41 — the Filter 45 — the Cover 47 — the Ventilating cover 60 — the Plastic plug 61 — the Nut

Design of the steering pump of usual type

Dismantling

PERFORMANCE ORDER

1. Unscrew a ventilating cover (47) and uncover (45). 2. Unscrew a nut (61) from a basic bolt, remove the plastic plug (60), a spring (43) and the filter (41).
3. On the pumps Vickers/LUK the tank (35) can be removed, replace a sealing ring. On the pumps ZF the tank is cast together with the case (2).
4. Unscrew bolts (25) and remove a flange (4). Check the lower part of a flange (4) on absence of damages and wear.
5. Remove a clamping plate (3) and a kulachkovy insert (6).
6. Remove a lock ring (18) from a leading shaft (11).Замените a lock ring.
7. Remove a rotor (7) by means of a plastic hammer from a leading shaft (11) together with blades (16) (10 pieces).
8. Remove a leading shaft (11) from a flange (4).
9. By means of a screw-driver выпрессуйте a radial epiploon (13) from a flange (4).
10. Remove a lock ring (34a) or (34b).
11. Take the valve of adjustment of a stream of liquid (32) and a spring (30) of the pump (2) case.
12. Fix the valve of adjustment of a stream of liquid (32) in a vice and turn out the valve (53) of the valve of superfluous pressure.
13. Remove a sealing cone (51) and a spring (50), check contact surfaces of the valve of adjustment of a stream of liquid (32) and an opening in the pump case on lack of wear or damage. If wear of sealing surfaces is defined, it is necessary to replace the pump. 14. Check both sealing cones. Replace a worn-out cone.

Assembly

PERFORMANCE ORDER

1. Before the beginning of assembly oil all details. Replace all sealing rings. If the new valve adjustment of a stream of liquid (32) is established, pay attention to the correct pressure of opening of the valve of superfluous pressure. 2. Collect the valve of adjustment of a stream of liquid (32), having fixed it in a vice, and tighten the valve (53).
3. Insert a spring (30) and the valve of adjustment of a stream of liquid (32) into the pump (2) case.
4. Establish a lock ring (34a) or (34b). 34a — the Pump Vickers/LUK 35b — the Pump ZF
5. Establish a new epiploon in a flange by means of a drift.
6. Further installation is carried out as it should be, the return to removal. 7. After pump assembly, check correctness of operation of the pump and absence of leakages of liquid. If it is necessary, check working pressure of the pump.

The pump of the amplifier of a steering of the Tandem type - models 62, 162

Design of the steering pump of the Tandem type (model 62, 162)


2 — the pump Case 3 — the Clamping plate 4, 14 — Flanges 5, 12 — Persistent washers 6 — Kulachkovaya an insert 7 — the Rotor 11 — the Leading shaft 13, 27 — Radial epiploons 15a — the Clown 15b — the Plug 16 — the Blade 17, 19, 20 — Fingers 18 — the Lock ring 21, 22, 26b, 39, 39a — Sealing rings	25, 36 — Bolts 27 — the Epiploon 28 — Laying 30, 38, 43 — Springs 32 — the Valve of adjustment of a stream of liquid 35 — the Tank 37 — the Piston 40 — the Screw cartridge 41 — the Filter 45 — the Cover 46 — the Basic bolt 47 — the Ventilating cover 60 — the Plastic plug 61 — the Nut

Design of the steering pump of the Tandem type (model 62, 162) (2 of 2)

Dismantling

PERFORMANCE ORDER

1. Unscrew a ventilating cover (47) and uncover (45). 2. Unscrew a nut (61) basic bolts (46). Remove the plastic plug (60), a spring (43) and the filter (41).
3. Unscrew bolts (36) cases of the pump (2), remove the tank (35) and a sealing ring (21).
4. Unscrew bolts (25) and remove a flange. Check a surface of a prileganiye of a flange on lack of wear and damage.
5. Remove a clamping plate (3).
6. Remove a kulachkovy insert (6), check a surface of a prileganiye of a clamping plate, and also a surface of sliding of blades on a kulachkovy insert (6) on lack of wear and задиров.
7. Remove a lock ring (18) from a leading shaft. Replace a lock ring.
8. Remove a rotor (7) from a leading shaft (11) by means of a plastic hammer and remove blades (16) (10 pieces), check blades (16) in grooves of a rotor (7), - they should slide in a rotor easily.
9. Remove a persistent washer (5). On pumps of the Tandem type of the first version, laying (5) was not established. If on such pump the leading shaft does not rotate easily, jammed or burst, it is necessary to replace such pump.
10. Turn out all four cartridges (40) of the pump case by means of a key (010).
11. Check epiploons (39) and replace them if it is necessary, take the piston (37) and a spring (38) of a cartridge (40). Check the piston and directing the piston on lack of wear tracks and damages. If the piston moves in directing with appreciable difficulties, it is necessary to replace a cartridge.
12. Beat out a finger (19) of the pump case by means of a drift.
13. Take a leading shaft (11) together with the plug (15b) and a flange (14) of the pump case.
14. Remove the plug (15b) and check it.
15. Beat out a finger (17) by means of a drift and remove the clown (15a), remove a persistent washer (12) and check its condition, remove a flange (14) from a leading shaft (11).
16. By means of a screw-driver take a radial epiploon (13) from a flange, replace a sealing ring (39a).
17. Check basic surfaces for bearings (arrow) on a leading shaft on lack of wear or задиров.
18. Check a radial epiploon (27) in the pump case if on the pump liquid is found, the transmission of an epiploon (27) will be a probable cause.
19. Take a radial epiploon and laying (28) by means of a stripper, check the bronze plug in the case (4) on lack of wear tracks and damages and if it is necessary, replace it.
20. Remove a lock ring (34a). At removal of a lock ring be convinced that the case of the pump is not damaged.
21. Take the valve of adjustment of a stream of liquid (32) and a spring (30) of the pump (2) case.
22. Fix the valve of adjustment of a stream of liquid (32) in a vice and turn out the valve (53) from the valve of superfluous pressure. 23. Remove a sealing cone (51) and a spring (50), check contact surfaces of the valve of adjustment of a stream of liquid (32) and an opening in the pump case on lack of wear or damage. If wear of sealing surfaces is defined, it is necessary to replace the pump.
24. Check both sealing cones. Replace a worn-out cone.

Assembly

PERFORMANCE ORDER

1. Assembly is carried out as it should be, the return to removal.
2. After pump assembly, check correctness of operation of the pump and absence of leakages of liquid. If it is necessary, check working pressure of the pump.

The steering pump of the Tandem type - models 67, 167

The pump of the amplifier of a steering of the Tandem type - models 67, 167


2 — the pump Case 2b, 2c — the Valve of adjustment of a stream of liquid 2d, 5d, 35g — Springs 2g, 4f, 4h, 5a, 5b, 35a — Sealing rings 4 — the pump Case 4a — a flange Cover 4b, 4c — Bolts 4d, 4e — Radial epiploons 5 — the Basic ring of the piston 5c — the Piston 5f — the Plug 5g — the Bearing 6 — Kulachkovaya an insert 6a — Fingers 7 — the Rotor	7a — Blades 8 — the Clamping plate 8a — the Epiploon 8b — Laying 11 — the Leading shaft 11a — the Lock ring 35 — the Tank 35c — the Ventilating cover 35d — the Cover 35e — the Nut 35f — the Plastic plug 35g — the Spring 35h — the Filter

On models 140.04/050/051 the tank (35) fastens on an arm (1a), which in turn приворачивается to the pump (1)

Remove a sealing cone (51) and a spring (50). Attention: On models 140.04/050/051 the tank (35) fastens on an arm (1a), which in turn приворачивается to the pump (1).

Dismantling

PERFORMANCE ORDER

1. Weaken a collar, disconnect a tube (shooter) and fix it sideways, unscrew bolts (46) and remove the pump (1) from an arm (1a).
2. Unscrew bolts (4 pieces), uncover (2k), check a sealing ring (2g), replace it if it is necessary.
3. On models 140.056/057, on the engine 120 the pump (1) is available the broad tank for oil adjustment in the tank (35), located between the thermostat and the inlet pipeline.
4. The index of level of oil (36a) with «MIN» and «MAX» labels for check of level of oil is located on a cover of the broad tank (36).
5. Unscrew four bolts (35a) fastenings of the tank (35) and remove it, check a sealing ring (2g), replace it if it is necessary.
6. Unscrew a ventilating cover (35c) and uncover (35d). 7. Unscrew a nut (35e) from a basic bolt (35i). Remove the plastic plug (35f), a spring (35g) and the filter (35h).
8. Unscrew bolts (4b) on a flange (4) and remove the pump (2) case.
9. Remove a sealing ring (4h) from a flange (4), check and replace it if it is necessary, remove a clamping plate (8), check an epiploon (8a) and konusny laying (8b) and replace an epiploon if it is necessary.
10. Remove a kulachkovy insert (6) and fingers (6a). Check a surface of a clamping plate, and also a surface of sliding of blades on a kulachkovy insert on lack of wear or damages.
11. Remove a lock ring (11a) from a leading shaft (11). Replace a lock ring. 12. Remove a rotor (7) from a leading shaft (11) by means of a plastic hammer and remove all blades (7a) (10 pieces). 13. On the pump ZF take a leading shaft (11) of a flange (4). On the pumps Vickers/LUK: at first remove 10 blades, and then remove a leading shaft with a flange cover.
14. Check a leading shaft on absence задиров and wear on surfaces under bearings. If it is necessary, replace it.
15. Unscrew bolts (4c) (8 pieces) and uncover a flange (4a), check a radial epiploon (4d) and replace it if it is necessary.
16. Replace a sealing ring (5a). On the pump ZF remove the plug (5f) and the bearing (5g). On the pumps Vickers/LUK: remove a lock ring from a leading shaft, remove laying and the plug (5f) from the bearing (5g).
17. Take the piston (5c) and a spring (5d). Check the piston and a spring on lack of wear and damage.
18. Take laying (5h) from the pump ZF case.
19. Fix a flange (4) between two wooden blocks so that it was possible to remove a ring (5).
20. Replace a sealing ring (5b).
21. Replace a sealing ring (4f) and a konusny ring (4g) in the pump case, check a radial epiploon (4e) and replace it if it is necessary.
22. Take a radial epiploon (4e) by means of a stripper, check the bronze plug in the case (4) on absence of damages and wear and replace it if it is necessary.
23. Take the valve of adjustment of a stream of liquid (2c) and a spring (2j) from the pump (2) case. 24. Fix the valve of adjustment of a stream of liquid (2c) in a vice and turn out the valve (2e) from the valve of superfluous pressure.
25. Remove a sealing cone (2f) and a spring (2d). Check contact surfaces of the valve of adjustment of a stream of liquid (2c) and an opening in the pump case on lack of wear or damage. If wear of sealing surfaces is defined, it is necessary to replace the pump. 26. Check both sealing cones. Replace a worn-out cone.

Assembly

Assembly is carried out as it should be, the return to removal.

After pump assembly, check correctness of its work and absence of leakage of liquid. If it is necessary, check working pressure of the pump.