Toro groundsmaster 455-D - Page 65

Cylinder Head Removal
1. Remove the cylinder head cover.
2. Use a Torx head T55 tool to loosen the cylinder head
bolt
s, working in a spiral from the outside. Remove the
cylinder head bolts.
IMPORTANT: DO NOT pry at gasket surface to
l
oosen cylinder head from block.
3. Use levers (0.0149) to release the cylinder head from
t
he block.
4. Remove the cylinder head and gasket.
Figure 59
Oil Pump Removal
1. Remove the oil pan and gasket
IMPORTANT: Use solvent and a wood or plastic
scraper to remove the silicone gasket material. Be
careful not to damage the sealing face of the block.
2. Remove the bolts (Fig. 60, Item 1, 2, and 3).
3. Remove the seal carrier plate (Item 4).
IMPORTANT: The bolt (Item 1) is a special bolt that
centers the pump in the correct location.
Figure 60
4. Remove the pump (Fig. 61, Item 5) / drive chain /
crankshaft sprocket (Item 7) assembly. NOTE: Item 6 -
spacer is not used on engines used in TORO machines.
Figure 61
Engine
Groundsmaster 455-D Page 3 - 47
Rev. B
Engine