VALVE GP-RLF - 4449103 - Caterpillar

Allow the engine to cool for at least 20 minutes before you perform a valve lash adjustment.Note: Do not reuse the valve cover Press-in-Place (PIP) seals.Specifications
Table 1
Valve Lash Setting: Engine Stopped and Cold
Valves Gauge Dimension
Inlet 0.80 0.08 mm (0.031 0.003 inch)
Exhaust 1.30 0.08 mm (0.051 0.003 inch) Introduction
Use this procedure for adjusting the valve lash on C175 diesel engines.Required Tools
Table 2
Required Tools
Part Number Part Name Qty
386-3239 Wrench Set (Allen) 1
458-3600 Torque Wrench 1
482-7519 Engine Tool Group(1). 1
(1) The engine tool group is used with "Valve Lash Check and Adjust (Feeler Gage)"Channel 1 Video
Video demonstration on valve lash adjustment is available through Cat™ Channel 1, refer to Table 3 for specific URL and media number.
Table 3
Channel 1 Video
Media Number: CATU0132
Title: C175 Valve Adjustment
Channel 1 URL: https://channel1.videonitch.com/LearningPrograms/Pass/1283 Valve Lash Adjust Preparation
Ensure that the number 1 piston is at the top center position. Refer to Testing and Adjusting, "Finding the Top Center Position for the No. 1 Piston".
The number 1 piston should be at the top center position of the correct stroke. Perform adjustments to the valves according to the chart: Refer to Testing and Adjusting, "Crankshaft Positions for Valve Lash Setting".Valve Lash Check and Adjust (Dial Indicator)
Note: Ensure that you are performing this procedure on a cold engine.Note: Valve lash is measured at the top of wear seat for the intake valves and the exhaust valves. All