Remove/Install Engine Timing (Intermediate Gear) - AR05.10-P-7620-02MFG

Engine 139 in model 118, 177, 247 

Engine 139 in model 206 

Engine 139 in model 232 

	Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	Risk of injury  to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil	Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers.	AS18.00-Z-0001-01A
Notice	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A

Fig 1: Identifying Holding Device (139 589 02 40 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Puller (139 589 00 33 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Drift (139 589 00 15 00)

Courtesy of MERCEDES-BENZ USA

Remove 

Courtesy of MERCEDES-BENZ USA

1. Install holding device (01) and secure intermediate gear (3).
2. Remove screw (1).
3. Mark installation depth of bearing pin (2).
4. Attach puller (02) and remove bearing pin (2) with this.
5. Remove timing chain (4) and remove intermediate gear (3) with holding device (01).

   Install 

6. Insert intermediate gear (3) into chain links of timing chain (4).
7. Install holding device (01) and secure intermediate gear (3).
8. Insert bearing pin (2) and hammer in with drift.

   Do not hammer in bearing pin (2) too far. Cylinder head will otherwise be damaged.

   Hammer in bearing pin (2) as far as marking.

9. Tighten bolt (1) and remove holding device (01).