Check oil level of hydraulic unit, correct - AR77.37-P-3501V
MODEL 171.4
| Check | |||
| Risk of injury to skin or eyes caused by hydraulic fluid spraying out under pressure. Risk of poisoning caused by swallowing hydraulic fluid. | Depressurize the hydraulic system completely before starting any work on the system. Wear protective clothing and safety glasses. | ||
| 1 | Open Vario roof | ||
| 2 | Remove cover from Vario roof crossmember (1) | AR77.30-P-3976V | |
| 3 | Remove tie strap (arrows) and fold down insulation (2) | ||
| 4 | Read oil level off of oil level marking (A) on oil reservoir of soft top mechanism hydraulic unit (A7/5), correct if necessary | ||
| Correct | |||
| 5 | Remove relay strip (3) from bracket (4) | ||
| 6 | Unscrew bolts (5) and remove soft top mechanism hydraulic unit (A7/5) from Vario roof crossmember (1) and turn until filler screw (6) can be unscrewed without loosing hydraulic oil through filler opening in the oil reservoir. | ||
| 7 | Screw in filler screw (6) | ||
| 8 | Fill oil reservoir of soft top mechanism hydraulic unit (A7/5) with spray bottle until oil level is within oil level marking (A) | ||
| *WH58.30-Z-1001-16A | |||
| Hydraulic oils (Specification 343.0) | Sheet 343.0 | BB00.40-P-0343-00A | |
| 9 | Tighten filler screw (6) | *BA77.37-P-1005-01A | |
| 10 | Position soft top mechanism hydraulic unit (A7/5) on Vario roof crossmember (1) and tighten with bolts (5) | *BA77.37-P-1007-01A | |
| 11 | Install relay strip (3) on bracket (4) | ||
| 12 | Fold up insulation (2) and fasten with new tie straps (arrows). | ||
| 13 | Install cover on Vario roof crossmember (1) | AR77.30-P-3976V | |
| 14 | Close Vario roof |
HYDRAULIC SOFT TOP
| Number | Designation | Model 171 | |
|---|---|---|---|
| BA77.37-P-1005-01A | Filler screw on hydraulic unit | Nm | 1 |
| BA77.37-P-1007-01A | Bolt, hydraulic unit to bracket | Nm | 8 |
COMMERCIALLY AVAILABLE TOOLS
| Number | Designation |
|---|---|
| WH58.30-Z-1001-16A | Syringe |