Remove/install injection valves (ME-SFI) - AR07.03-P-6520MUB

MODEL 217 with ENGINE 279 

MODEL 222 with ENGINE 277, 279 

MODEL 463 with ENGINE 279 

Shown on engine 279 in model 217 

Fig 1: Injection Valves (ME-SFI) Remove/Install Components - Shown On Engine 279 In Model 217

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove fuel distributor (1) with injection valves (Y62)		AR07.03-P-1451MUB
2	Detach anti-twist locks (2) and remove fuel injection valves (Y62) from fuel distributor rail (1)	Replace O-rings of the fuel injection valves (Y62). The anti-twist locks (2) must engage in the square catches (arrow) on the injection valves (Y62). Check O-rings for injection valves (Y62) for damage. For a defective O-ring ↓ Replace respective injection valve (Y62).
3	Install in the reverse order