Man D2862 LE221, Repair Manual

Page: 129 / 420

COMMON RAIL SYSTEM
Installing the pressure loss tester
Detaching the right leakage oil line - collector
fuel line
• Unscrew the union nuts (1) and (3)
• Remove the fuel line (2)
• Plug the fuel line with
End plug [38] and the
connections with Protective sleeve Z 16x1.5 [39]
Mounting the pressure loss tester (right side)
WARNING
Injectors can be damaged
• Pressurisation for leak test must not
exceed 3.0 - 3.5 bar
• Remove the caps and plugs
• Mount the
Adapter [36] (4) with the Threaded
connection [37] (3) on the leakage oil line
• Connect the Hand pump [35] (2) with the pressure
gauge (1) to the Threaded connection [37] (3)
• Pressurise the Hand pump [35] (2) using
compressed air at 3.0 - 3.5 bar
• Check the maximum permissible pressure loss on
the pressure gauge (1)
The desired pressure loss is max.
0.1 bar in 10 minutes .
If the fuel system is leaking, the affected parts
must be removed and then checked for damage or
contamination. Replace parts as necessary.
Detaching the fuel line left leakage oil line –
collector
• Unscrew the union nuts (1) and (3)
• Remove the fuel line (2)
• Plug the fuel line with
End plug [38] and the
connections with Protective sleeve Z 16x1.5 [39]
Mounting the pressure loss tester (left side)
WARNING
Injectors can be damaged
• Pressurisation for leak test must not
exceed 3.0 - 3.5 bar
• Remove the caps and plugs
• Mount the
Adapter [36] (4) with the Threaded
connection [37] (3) on the leakage oil line
• Connect the Hand pump [35] (2) with the pressure
gauge (1) to the Threaded connection [37] (3)
• Pressurise the Hand pump [35] (2) using
compressed air at 3.0 - 3.5 bar
• Check the maximum permissible pressure loss on
the pressure gauge (1)
The desired pressure loss is max.
0.1 bar in 10 minutes .
If the fuel system is leaking, the affected parts
must be removed and then checked for damage or
contamination. Replace parts as necessary.
AE6 3st edition 127