FILTER-FUEL 1R0749 - Caterpillar

Safety Precautions
Do not operate or work on this engine unless you have read and understand the instructions and warnings in the Operation and Maintenance Manual. Failure to follow the instructions or heed the warnings could result in injury or death. Contact any Caterpillar dealer for replacement manuals. Proper care is your responsibility.
Keep hands clear of fan and belts while engine is running.
Making contact with a running engine can cause burns from hot parts and can cause injury from rotating parts.When working on an engine that is running, avoid contact with hot parts and rotating parts.
Specifications
Table 1
Air inlet Vacuum Pressure Specifications
Test location is anywhere on the air inlet pipe between the air filter and the turbocharger
Maximum Vacuum Pressure
For a used engine air cleaner 5 kPa (20 inch of H2O)
For a new engine air cleaner 3 kPa (12 inch of H2O)
Table 2
Exhaust Outlet Pressure Specifications
Test location is anywhere on the exhaust pipe between the exhaust manifold and the muffler
Maximum pressure is 10 kPa (40 inch of H2O) Introduction
This inspection checks the inlet air system for restrictions and checks the exhaust system for excessive back pressure.Required Tools
Table 3
Required Tools
Quantity Part Number Part Name
1 1U-5470
or
198-4240 Engine Pressure Group
or