

The Caterpillar Excavator 315L is a versatile and efficient piece of heavy machinery designed for various construction and excavation tasks. Known for its reliability and performance, the 315L model offers advanced hydraulic systems and superior maneuverability, making it ideal for both small and large projects.
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Tensioning Guide
Belt-diagram
C-120 pulleys
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Pre-built workflows to keep your asset running smoothly.
Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Drive Motor
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Tensioning System
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Caterpillar Excavator 315L
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Front Gear Group Installation
NOTICE: Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
All mating surfaces are clean and free of old gasket material
New gasket and front plate (6) installed
Torque of five bolts (5) that hold front plate (6) to the cylinder block
Idler shaft (4) installed onto the cylinder block
Idler shaft cooled to 0 °C (32 °F) before installation if necessary
Marks on the timing gears are in alignment
Idler gear (3) installed
Thrust plate (2) installed
Front Housing Installation
NOTICE: Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
Check the condition of the gaskets and the O-ring seals. If the gaskets or the O-ring seals are damaged or worn, use new parts for replacement.
Clean old gasket material (11) from the contact surface of front housing (8) and the timing gear plate. Install a new gasket.
Install bearing (12), if equipped. If the bearing is worn or damaged, use a new part for replacement.
Install O-ring seal (13) onto cover (9), if equipped.
Install a new crankshaft front seal (10), if the crankshaft front seal was removed.
If equipped, install camshaft gear cover (9) onto front housing (8).
Install front housing (8).
Install bolts (7) in order to fasten front housing (8) onto the cylinder block.
Front Housing Removal
Start By:
A. Remove the alternator. Refer to Disassembly and Assembly, 'Alternator - Remove and Install'.
B. Remove the vibration damper and the pulley. Refer to Disassembly and Assembly, 'Vibration Damper and Pulley - Remove and Install'.
NOTICE: Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
NOTICE: Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.
Refer to Special Publication, NENG2500, 'Caterpillar Tools and Shop Products Guide' for tools and supplies suitable to collect and contain fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
1. Remove four bolts (1) and the washers from fan pulley (2).
2. Remove fan pulley (2).
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