Fuel injection valves (PEC) testing hydraulics · ad0752s7002a · Mercedes-Benz WIS

AD07.52-S-7002A

Fuel injection valves (PEC) testing hydraulics

23.4.97

ENGINE 111.948 /978 in MODEL 638

 Danger!	Risk of explosion due to ignition, risk of poisoning due to inhaling and swallowing fuel and risk of injury due to fuel coming into contact with skin and eyes.	Fire, sparks, naked flame and smoking forbidden. Only pour fuels into suitable, appropriately marked containers. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
	Connection and use of test equipment		AD00.00-S-1000AZ
	Fuel injection and ignition system (PEC) diagnosis, previous knowledge		AD07.52-S-2000A
a	Connect socket box to PEC control module		AD07.52-S-2003-02A
b	Disconnect 2-pin couplings on fuel injection valves.
c	Remove fuel distributor pipe together with fuel injection valves, not disconnecting the fuel supply and return hose.		AR07.03-S-1450A
d	Connect shop-made electric cable to fuel injection valves in sequence.
e	Hold fuel injection valves in measuring beaker in sequence.
	Testing
1	Fuel injection valves, leaktightness, testing hydraulics, fuel injection valves, PEC		AD07.52-S-7002-01A
2	Fuel injection valves, spray pattern, testing hydraulics, fuel injection valves, PEC		AD07.52-S-7002-02A

ad0000s1000az Connection and use of testing equipment
ad0752s2000a PEC fuel injection and ignition system diagnosis previous knowledge
ad0752s200302a PEC test of fuel injectors circuit box connection diagram
ad0752s700201a PEC test of hydraulic system fuel injectors, fuel injector leaktightness
ad0752s700202a PEC test of hydraulic system fuel injectors, fuel injector spray pattern
ar0703s1450a Remove fuel distributor with injection valves
as4700z000101a Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.