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Home >> Mercedes Benz >> 2016 >> B250e >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical Drive System - 242 Chassis >> Testing & Repair >> Remove/install radial shaft sealing ring on electric motor - AR08.10-P-0050NKE

Remove/install radial shaft sealing ring on electric motor - AR08.10-P-0050NKE

ENGINE 780 in MODEL 242 

MODIFICATION NOTES

3.12.15 Replace special tool Operation step 5  
17.7.15 Capacity   BF08.10-P-1001-02A
Fig 1: Identifying Radial Shaft Sealing Ring On Electric Motor Remove/Install Components
G10442936DANGERDANGERNOTESNOTESREMOVINGNOTESCLEANINSTALLINGSPECIAL TOOLFLUID SPECIFICATIONIMPORTANTCourtesy of MERCEDES-BENZ USA
DANGER Risk of death  when touching components on vehicles with high-voltage on-board electrical system Do not touch components and open lines of the high-voltage on-board electrical system. Persons who wear electronic implants (e.g. cardiac pacemakers), must not carry out any work on high-voltage on-board electrical systems. AS54.00-Z-0001-01A
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
NOTES Evaluation of high-voltage components   AH54.00-P-6500-01SXH
NOTES Note on high-voltage on-board electrical system   AH54.00-P-0010-01A
REMOVING Remove     
1 Remove front axle shaft at left or right   AR33.30-P-0620NKB
2 Using a suitable tool, lever out radial shaft sealing ring (1) on transmission (2) of electrical machine (A79/3) NOTES Do not apply a suitable tool between radial shaft sealing ring (1) and the contact surface of the radial shaft sealing ring (1) on transmission (2) of the electrical machine (A79/3).
The contact surface will be damaged otherwise and the electrical machine (A79/3) must be replaced.
 
CLEAN Clean     
3 Clean contact surfaces of radial shaft sealing ring (1) on transmission (2)    
INSTALLING Install     
4 Lightly coat outer contact surface and sealing lips on the radial shaft sealing ring (1) with oil    
5 Drive in new radial shaft sealing ring (1) flush using a drift SPECIAL TOOL Drift Fig 2
6 Install front axle shaft at left or right   AR33.30-P-0620NKB
7 Check oil level on transmission (2) for electrical machine (A79/3); correct if necessary   AR08.10-P-0010-01NKE
FLUID SPECIFICATION Filling capacity *BF08.10-P-1001-02A 
8 Warm up vehicle to operating temperature with a test drive    
9 Check area around the radial shaft sealing ring (1) for leaktightness IMPORTANT Perform visual inspection.  
FILLING CAPACITIES FOR TRANSMISSION ELECTRIC MOTOR

Number Designation Electric motor 780
BF08.10-P-1001-02A Filling capacity Initial charge Liter ≈1, 7
Fig 2: Identifying Drift (242 589 00 15 00)
G10442937Courtesy of MERCEDES-BENZ USA