ENGINE MAINTENANCE. (cont) - TM-5-3805-261-34

ENGINE MAINTENANCE. (cont) - TM-5-3805-261-34_154

ENGINE MAINTENANCE. (cont) - TM-5-3805-261-34_156

TM-5-3805-261-34 Grader Heavy Road Motorized (Caterpillar Model 130 G) Manual
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TM 5-3805-261-34 ENGINE MAINTENANCE. 3-13. Valves. (Sheet 6 of 8) ASSEMBLY CAUTION When installing new inserts, never expand the diameter of the extractor tooling when installing the insert. 1. Lower four exhaust inserts (6) and intake inserts (7, Figure 3-66) on cylinder head. Temperature should be approximately minus 54 degrees F. 2. Grind and install, if removed, using extractor tool for four intake inserts (7) and extractor tool for four exhaust inserts (6), along with handle assembly to drive insert in until seated on counterbore of cylinder head. 3. Measure valve recess. Valve must always be below combustion surface with no protrusion. NOTE Eight guides need to contract enough to allow easy fit into cylinder. NOTE Use dry ice to lower temperature of guides. 4. Lower temperature of eight guides (5). 5. Install eight new guides (5, Figure 3-68), if removed. Using suitable driver and press, install eight new guides (5) so they extend above top of cylinder head to proper dimension. Minimum diameter of bore of eight new guides (5) after installation is 0.3723 inch. Remove all burrs and clean eight new guides (5)after installation. Figure 3-68. Go to Sheet 7 3-83

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