RECTIFIER AS 9Y7169 - Caterpillar

Start By:a. remove rocker shaft assemblies and push rodsb. remove front drive housing 1. Remove the bolts that hold the brackets for shaft (3) to the front of the cylinder block. Disconnect the levers on shaft (3) from the levers on shafts (1) and (2), and remove shaft (3) from the engine. 2. Remove levers (5) and (6) and brackets (4) from shaft (3). 3. Remove bearings (7) from brackets (4) with tool group (A). 4. Remove access covers (8) from over the camshafts. 5. Remove the bolts and caps (10) that hold the levers of rod assemblies (9) to fuel control shafts (1) and (2).6. If necessary, remove the cover from the front right side of the flywheel housing, and use tool (B) to turn the engine flywheel until the camshaft is moved in a position so the levers of rod assemblies (9) can be removed between the cylinder block and camshaft 7. Remove bolts (12), and remove lever assemblies (11) and fuel control rod assemblies (9) as a unit from each cylinder head assembly. See Step 6 if the levers on the lower ends of rod assemblies (9) do not have enough clearance to be removed from the engine. 8. Remove locknut (13) and the washer to remove rod assembly (9) from