(d) Remove piston pin (4) by using drift (C). (e) Remove piston pin bushing and connecting rod bearing (upper). (25) Disassemble the rocker shaft assembly as follQws: (a) Remove snap rings on both ends (1). (b) Remove rocker assembly (2). (c) Remove rocker bracket (3). (d) Remove rocker assembly (4). (e) Remove spring (5). (26) Disassembly the cylinder head as follows: (a) Remove nozzle holders. (b) Remove glow plugs (l). (c) Loosen bolts (2) securing exhaust and intake manifolds. (d) Remove exhaust manifold (3). (e) Loosen thermostat cover bolts and remove thermostat cover (4). (f) Remove thermostat (5). -14-