73-00-42 Removal of the spur gear from High Pressure Pump
1. Unscrew hexagon nut [1]. Use the special tool AE300T-012-1 as counter torque
wrench.
2. Remove the spur gear [2] from the High Pressure Pump.
Fig. 73 - 11
3. Conduct an inspection of the spur gear according to the following:
Perform a visual inspection of the spur gear. If one of the following damages is identified
during the visual inspection replace the spur gear:
Tooth missing (broken)
Visible cracks (use magnifying glass)
Pitting (use magnifying glass)
other visual damages
The teeth flanks may show slight wear (polished surfaces) and sporadic traces of oil
lacquer. An example of a polished tooth flank surface can be seen in Fig. 73 – 8b.
Nevertheless these spur gears are acceptable for re-use.
Fig. 73 - 12
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