Section 6
Failure Modes
This section explains failures relating to Series 50/60 unit injectors. The failures are addressed as: a complaint, cause, correction, and recommendation. These failures are accompanied with a picture to help in diagnosing the failure.
The failures explained in this section are:
- Seized unit injector (refer to "6.2 Seized Injector" )
- Broken injector follower spring and damaged stator with broken stator screws (refer to "6.3 Broken Injector Follower Spring and Damaged Stator With Broken Stator Screws" )
- Loose stop plate screw (refer to "6.4 Loose Stop Plate Screw" )
- Missing stop plate screw (refer to "6.5 Missing Stop Plate Screw" )
- Cracked injector body (refer to "6.6 Cracked Injector Body Failure" )
- Broken solenoid terminal screws (refer to "6.7 Broken Solenoid Terminal Screw Failure" )
- Failed/brown spray tip (refer to "6.8 Failed or Blown Spray Tip Failure" )
- Low pressure plug conditions (refer to "6.9 Low Pressure Plug Leak" )
- High pressure plug condition (refer to "6.10 High Pressure Plug Leak" )
- Black or gray smoke condition (refer to "6.11 Black or Gray Smoke Problem" )
- White smoke condition (refer to "6.12 White Smoke Problem" )
6.3 Broken Injector Follower Spring and Damaged Stator With Broken Stator Screws
6.6 Cracked Injector Body Failure
6.7 Broken Solenoid Terminal Screw Failure
6.8 Failed or Blown Spray Tip Failure
6.11 Black or Gray Smoke Problem
| Unit Fuel Injectors and Unit Pumps Technician's Guide - 7SE500 |
| Generated on 10-13-2008 |