this article mainly introduces Caterpillar 311F LRR- JFT Crawler Excavator Engine Housing (front)Remove
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Removing steps
A . Remove the engine oil sump. For correct steps, see Disassembly and Assembly, " Engine Oil pan-Removing and Installation.
B . Remove the camshaft gear. See Disassembly and assembly, "Camshaft gear-Removing and installing" for the correct procedure. C . Remove the fuel injection pump. For the correct steps, refer to Disassembly and Assembly, "Fuel injection pump-Remove".
pay attention to
Keep all the parts clean without impurities.
Impurities can cause rapid wear and shorten the service life of the components.
pay attention to
When inspecting, maintaining, testing, adjusting and repairing products, be careful to ensure that the liquid is held in the container. Before opening any chamber or disassembling any part with stored storage.
Dispose of all liquids in accordance with local regulations and instructions.
1. Remove the fan drive device, if necessary. For the correct steps, see Disassembly and Assembly, "Fan Drive Removing and Installation".
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2. Remove the bolts (5) from the front housing (1).
Note: Record the position of bolts of different lengths for easy installation.
3. Remove the front housing (1) from the cylinder block and the positioning pin (6) (not shown).
4. Positioning pin (6) should be removed only if damage (not shown).
5. If necessary, follow steps 5.a to 5.c to remove the engine oil filler port
a. Remove the bolt (3) from the engine oil filler port (2).
b. Remove the engine oil fill port (2) from the front housing (1).
c. Remove the O-ring seal (4) (not shown).
6. If necessary, follow steps 6.a to 6c to remove the cover plate (8)
from the front housing.
a. Remove the bolt (9) from the cover plate (8).
b. Remove the cover plate (8) from the front housing (1).
c. Remove the O-ring seal (10) from the cover plate.
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7. If necessary, remove the plug (7) from the position of the front shell (Y).
