5. A. On the single carburetor model, remove the four
Fig. 2-65
nuts securing the intake manifold; then remove the manifold with flange from the engine. Account for two insulators. Discard the four gaskets.
B. On the twin carburetor model, remove the four nuts, lock washers, and washers securing the intake flanges; then remove the flanges from the engine. Remove the six screws securing the adapter plates; then remove the adapter plates. Discard the two gaskets.
6. Remove the intake-manifold cooling shroud from the engine. Discard the two gaskets. A742
30. Remove the crankshaft from the crankcase.
Disassembling Engine
7. Using Flywheel Spanner Wrench (p/n 0144-007) to secure the crankshaft, remove the three cap screws and lock washers securing the starter pulley to the flywheel. Remove the starter pulley; then carefully pry the fan belt drive pulley from its seated position on the flywheel and remove. Fig. 2-67
(F/C Models)
1. Remove the four nuts and lock washers securing the exhaust manifold; then remove the exhaust manifold. Account for two gaskets. 2. Noting the location of the longer cap screws for assembly purposes, remove the 14 cap screws, lock washers, and washers securing the top and exhaust-side cooling shrouds. 3. Lift the top cooling shroud off the engine and slide the exhaust-s ide cool ing shroud off the exhaust-manifold studs. Account for two exhaust-manifold shroud gaskets. Fig. 2-66
AB020
8. Temporarily install the starter pulley on the flywheel with three cap screws. Using the flywheel spanner wrench to secure the crankshaft, loosen and remove the flywheel nut and washers. Fig. 2-68
AB014
4. Disconnect the two oil-injection hoses from their fittings on the intake manifold (single carburetor) or on the adapter plates (twin carburetor).
AB021
NOTE: If an impact wrench is being used, use of a flywheel spanner wrench will not be necessary.
9. Remove the cap screws securing the starter pulley to the flywheel and remove the pulley. 2-16