Remove/install Vario roof front section - AR77.50-P-3100V
MODEL 171.4
MODIFICATION NOTES
| 13.4.04 | Repair method modified | All steps |
| Remove | |||
|---|---|---|---|
| 1 | Remove paneling from front Vario roof | AR68.30-P-4350V | |
| 2 | Remove both counter bearings (2) from Vario roof front section (1) | ||
| 3 | Mark installation position of electric and hydraulic lines fastened to Vario roof front section (1) | ||
| Notes on performing assembly work on Vario roof | AH77.30-P-0002-01R | ||
| 4 | Expose all electric and hydraulic lines fastened to Vario roof front section (1) | ||
| 5 | Remove control cables (3) from Vario roof front section (1) | ||
| 6 | Remove lock from front Vario roof | AR77.33-P-3400V | |
| 7 | Mark installation position of mounts (4) and installation location of spacers (5) on Vario roof front section (1) | ||
| 8 | Remove bolts (6) | ||
| 9 | Remove bolts (7) | ||
| 10 | Remove Vario roof front section (1) and lay down on suitable subsurface | ||
| Install | |||
| 11 | Lay Vario roof front section (1) together with spacers (5) down onto mounts (4) with helper and fasten with bolts (6, 7) | Observe installation markings of spacers (5)When replacing the Vario roof front section (1) install spacers (5) at original points. |
|
| 12 | Install lock in front Vario roof | AR77.33-P-3400V | |
| 13 | Install control cables (3) on Vario roof front section (1) | ||
| 14 | Install electric and hydraulic lines on Vario roof front section (1) | Replace damaged fastener |
|
| Notes on performing assembly work on Vario roof | AH77.30-P-0002-01R | ||
| 15 | Install both counter bearings (2) on Vario roof front section (1) | ||
| Risk of injury caused by body parts being trapped or crushed when working on partially open Vario roof (stop mode) or in its closing area as a result of the Vario roof suddenly collapsing | Secure Vario roof with a suitable special tool. | AS77.50-Z-0001-01A | |
| 16 | Remove support for securing intermediate position of Vario roof and lay Vario roof front section (1) down toward front | ||
| Figure | |||
| 17 | Move both seats toward front, fold backrests toward front | ||
| 18 | Open stowage compartment (16), break cover (8) out of rear wall (9) of stowage compartment (16) with suitable screwdriver | ||
| 19 | Turn emergency opening valve (10) approx. 2 turns | ||
| 20 | Close front lock with emergency lock (11) | ||
| 21 | Close emergency opening valve (10) | *BA77.37-P-1001-01A | |
| 22 | Close opening for emergency opening valve (10) in rear wall (9) with blind plug and close stowage compartment (16) | ||
| 23 | Check transition between C-pillar upper section (12) and Vario roof front section (1), if necessary adjust by removing or inserting spacers (5) | ||
| Figure | |||
| 24 | Center Vario roof front section (1) on transition to C-pillar upper section (12) and check gap (A) between Vario roof front section (1) and left and right C-pillar upper section (12). | *BE77.30-P-1005-01A | |
| Figure | |||
| 25.1 | Pull gate valve (14) toward front until eccentric bolt (15) is unlocked. Adjust gap (A) between Vario roof front section 81) and C-pillar upper sections (12). Simultaneously ensure that the Vario roof front section (1) is centered | Only if gap (A) must be adjusted | *BE77.30-P-1005-01A |
Leave feeler gauges inserted until bolts (6, 7) are tightened |
|||
| Figure | |||
| 26 | Screw tight bolts (6, 7). | *BA77.33-P-1012-01A | |
| 27 | Remove feeler gauges between Vario roof front section (1) and both C-pillar upper sections (12) | Figure | |
| 28 | Check adjustments made, correct if necessary | ||
| 29 | Install paneling at front of Vario roof | AR68.30-P-4350V |
TEST VALUES FOR GAP DIMENSIONS FOR VARIO ROOF
| Number | Designation | Model 171.4 | ||
|---|---|---|---|---|
| BE77.30-P-1005-01A | Gap between C-pillar section and Vario roof front section | mm | 4.5...5.5 | |
| Fig., see | - | |||
SOFT TOP - MECHANICAL SYSTEM
| Number | Designation | Model 171 | |
|---|---|---|---|
| BA77.33-P-1012-01A | Bolt, front part of Vario roof to support | Nm | 9 |
SOFT TOP - HYDRAULIC SYSTEM
| Number | Designation | Model 171 | ||
|---|---|---|---|---|
| BA77.37-P-1001-01A | Emergency actuation valve (N) to hydraulic unit | Nm | 2.5 | |
| Fig., see | - | |||