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Home >> Mercedes Benz >> 2017 >> GT AMG >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sliding Roof, Soft Top, Top Attachments -- 190 Chassis >> Testing & Repair >> Check/Correct Fluid Level Of Hydraulic Unit - AR77.37-P-3501RGR

Check/Correct Fluid Level Of Hydraulic Unit - AR77.37-P-3501RGR

Model 190.4 

G16682722Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning from swallowing hydraulic fluid. Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses. AS00.00-Z-0013-01A
INSPECT Check     
1 Open and close soft top x 3 After work on soft top hydraulic system.
IMPORTANT To bleed hydraulic system.
 
2 Remove soft top control hydraulic unit (A7/5) until oil container (1) of soft top control hydraulic unit (A7/5) can be accessed IMPORTANT Do not disconnect any electrical or hydraulic lines from soft top control hydraulic unit (A7/5). AR77.37-P-3500RGR 
3 Read off oil level from oil level mark (A) on oil container (1) IMPORTANT The oil level must be within the marking (A).
For this purpose, the soft top control hydraulic unit (A7/5) must be in the installation position.
 
  Correct     
4 Position soft top control hydraulic unit (A7/5) so that filling screw (2) can be removed without hydraulic fluid being able to flow out of the filler opening of oil container (1) NOTES Handle soft top control hydraulic unit (A7/5) with care.
Otherwise, the hydraulic lines can be damaged.
 
5 Remove filling screw (2) NOTES Place dry cloth under oil container (1).
Otherwise, the vehicle interior can be contaminated by leaking hydraulic fluid.
IMPORTANT Leaked hydraulic fluid causes an unpleasant odor that is very difficult to eliminate.
 
6 Using a filler syringe, fill oil container (1) until oil level is within oil level mark (A)    
REFER TO CAPACITIES & SPECIFICATIONS Hydraulic fluids (Specification 343.0)   BB00.40-P-0343-00A
    IMPORTANT To properly check the oil level, the filler opening must be closed and the soft top control hydraulic unit (A7/5) in the installation position.
SPECIAL TOOL Filling syringe
Fig 1
7 Screw in filling screw (2) tightly TORQUE SPECIFICATION Filling screw to hydraulic unit *BA77.37-P-1005-01A 
8 Install soft top control hydraulic unit (A7/5)   AR77.37-P-3500RGR 
SOFT TOP HYDRAULIC SYSTEM

Number Designation Model 190.4
BA77.37-P-1005-01A Filling screw to hydraulic unit Nm 1
Fig 1: Identifying Filling Syringe (230 589 01 63 00)
G10248473Courtesy of MERCEDES-BENZ USA