Mercedes W124

since 1985-1995 of release

Repair and car operation



W124 Mercedes
+ Governing bodies and control devices
+ MAINTENANCE
+ 2. Maintenance (diesel engines)
+ ENGINE
+ 4. Repair of 6-cylinder petrol SOHC engines
+ 5. Repair of 6-cylinder petrol DOHC engines
+ 6. Repair of the diesel engine established in the car
+ 7. Major maintenance of engines
+ COOLING SYSTEM
+ FUEL SYSTEM
+ 10. System of injection of BOSCH CIS-E fuel (KE-JETRONIC)
+ 11. System of injection of BOSCH HFM fuel
+ 12. Fuel system of diesel engines
+ 13. Fuel system of diesel engines
+ SYSTEMS OF START, IGNITION
+ 15. System of ignition of 4-cylinder petrol engines
+ 16. System of ignition of four-cylinder petrol engines
+ PRESTARTING HEATING
+ TRANSMISSION
+ 19. Mechanical transmission
+ 20. Automatic transmission
- POWER SHAFTS
   21.2. General information
   21.3. Oil replacement in reverse main gear
   21.4. Removal and installation of reverse main gear
   21.5. Replacement of sealing rings of reverse main gear
   21.6. Power shafts
   21.7. Replacement of protective covers of CV JOINTS of a power shaft
   21.8. Driveshaft
   21.9. Rubber elastic coupling of the driveshaft
   21.10. Central bearing of the driveshaft
   21.11. Universal hinge of the driveshaft
+ BRAKE SYSTEM
+ SUSPENSION BRACKET
+ BODY
+ ELECTRIC EQUIPMENT
+ CHECK OF MALFUNCTIONS






21.6. Power shafts

GENERAL INFORMATION

Prevention

At installation of a power shaft it is necessary to use new nuts of fastening of a power shaft to a nave of a back wheel and new bolts of fastening of a power shaft to a flange of reverse main gear.


Removal

Unscrewing of bolts of fastening of a power shaft to a flange of reverse main gear

PERFORMANCE ORDER
1. Using a chisel or a screw-driver, remove a cap of a nut of a nave. Using a punch and a hammer, being careful, unbend a fillet of a nut of fastening of a nave from a flute of a power shaft. Weaken a nut of fastening of a power shaft and bolts of fastening of a wheel.
2. Lift a back part of the car and fix on supports.
3. Remove the corresponding back wheel. At removal of the left power shaft remove an exhaust pipe.
4. Unscrew bolts and remove the fastening plate, fixing a power shaft to a flange of reverse main gear. Using a soft wire, suspend a power shaft to the car bottom (see fig. Unscrewing of bolts of fastening of a power shaft to a flange of reverse main gear).
Prevention

Exclude possibility of free sagging of a power shaft as it can bring the external hinge of equal angular speeds of a power shaft. At installation of a power shaft it is necessary to use new bolts of fastening of the internal hinge of a power shaft.


5. Unscrew a nut of fastening of a power shaft to a nave and take a power shaft from a nave. If the power shaft densely sits in a nave, for its extraction use a wooden kiyanka or the special tool, fastening bolts to a nave.
6. Take a power shaft from under the car.

Installation

Drawing of a thin layer of engine oil and carving, and lateral surface of a nut of fastening of a power shaft to a nave

Screwing up of a nut of fastening of a power shaft to a nave

Zachekanivaniye of a fillet of a nut of fastening of a power shaft in a groove of a power shaft

PERFORMANCE ORDER
1. Installation is made in sequence, return to removal taking into account the next moments.
2. Before installation grease a carving and a lateral surface of a new nut of fastening of a power shaft with pure engine oil (see fig. Drawing of a thin layer of engine oil and a carving, and a lateral surface of a nut of fastening of a power shaft to a nave).
3. Establish new bolts of fastening of the internal hinge of a power shaft to a flange of reverse main gear.
4. Tighten a nut of fastening of a power shaft to a nave the demanded moment. Fix a nut from an otvorachivaniye for what, using a hammer and a drift, зачеканьте a nut fillet in a groove of a power shaft (see fig. Screwing up of a nut of fastening of a power shaft to a nave, Zachekanivaniye of a fillet of a nut of fastening of a power shaft in a groove of a power shaft).