3/2/2024 0 Comments Camshaft gear![]() If equipped with a hydraulic pump driven off of the air compressor, install and/or tighten any of the mountingįasteners. Refer to Procedure 012-014 in Section 12. Tighten the compressor/accessory drive mounting fasteners. Install camshaft gear capscrews and tighten. NOTE: The engine can have a mark on the crankshaft gear or chamfered tooth. If this was not done, reference the air compressor timing procedures. IfĮquipped with an air compressor, make sure to align the line that was scribed on the camshaft gear and air compressor gear during the camshaft gear removal step. If frets, burrs, or raised metal can not be removed with abrasive pad, Part Number 3823258, replace the gear.Īlign the camshaft gear with the pin in the camshaft and the mark on the crankshaft gear.Ĭheck to make sure the timing marks on the camshaft gear align with the timing marks on the crankshaft gear. Remove any frets, burrs, or raised metal with abrasive pad, Part Number 3823258. Inspect for cracked or broken teeth on the camshaft gear. Inspect for fretting on the camshaft gear teeth. Inspect for cracks and fretting at the capscrew holes on the camshaft and camshaft gear. If equipped with a hydraulic pump driven off of the air compressor, it may be necessary to remove and/or loosenĬlean the camshaft gear. ![]() Remove the two capscrews securing the air compressor support (2). Loosen the air compressor mounting fasteners (1 ). Loosening/removing the air compressor/accessory drive mounting hardware will give enough clearance to remove ![]() Remove the air compressor/accessory drive completely. On engines equipped with an air compressor/accessory drive, it may be necessary to loosen/remove some of theĪir compressor/accessory drive mounting hardware in order to remove the camshaft gear. Toīe sure the air compressor is properly timed when the camshaft gear is later installed, scribe an alignment line on the air compressor and camshaft gear before removing the camshaft gear. Service Tip: Engines equipped with air compressors may require the air compressor to be timed to the engine. NOTE: The engine can have a mark on the camshaft gear or chamfered tooth. When the timing marks are aligned, cylinder 1 is at Rotate the engine to allow the camshaft timing marks to align. Has been recently rebuilt, check previous repairs for correct installation and dimensions. If aĭamaged gear is not found, remove the camshaft to check the journal diameters for correct dimensions. If the camshaft backlash is out of specification inspect the camshaft and crankshaft gears for obvious flaws. See the Measure section later in this procedure. Refer to ProcedureĬheck the camshaft backlash. NOTE: If the camshaft end play is out of specification check the camshaft thrust plate. Use gauge, Part Number 3824564, and magnetic base, Part Number 3377399, to check the camshaft end play. This method should only be used in applications that prohibit the removal of the Refer to Procedure 001-013 in Section 1.Ĭamshaft gear removal/installation tool, Part Number 38223589, can be used to replace the camshaft gear with Once the camshaft is removed, the camshaft gear can be removed. ![]() The camshaft gear is to first remove the camshaft. For front gear train engines, the preferred method of removing This procedure applies to rear gear train engines only.
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