Vertical Shaft Engines - MTD 2010 Shop Manual

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Vertical shaft engines

Engine mounting screws
Figure 2.5
Figure 2.6
Engine coupler halves
Figure 2.7
Set screw
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To remove/replace the engine:
1. Remove the three engine mounting screws using a
1/2" wrench.
2. Remove the engine from the log splitter.
NOTE: If the engine is being replaced, continue to step 3.
3. Remove the set screw in the engine coupling using a
1/8" hex key.
4. Remove the engine coupling and key.
To install a vertical shaft engine:
1. Install the spider in the pump coupler half.
2. Install the key in the crankshaft's keyway.
3. Slide the engine coupler half onto the crankshaft.
NOTE: The end of the crankshaft should be flush with the
coupling half. See Figure 2.6.
4. Apply a small amount of releasable thread locking
compound such as Loctite® 242 (blue) to the set
screw.
5. Install the set screw and tighten it to a torque of 78 in
lbs (9 Nm).
NOTE: If installing a new engine, Thread the self tapping
screws into the engine mounting holes to cut the
threads, then remove them.
6. Hold the engine over the engine mount and pump
assembly.
7. Align the engine coupler halves. See Figure 2.6.
NOTE: The wooden wedges were used to hold the engine
for the picture. They are not needed for this step.
8. Lower the engine onto the engine mount.
9. Install the engine mounting screws and tighten them
to a torque of 325 - 450 in lbs (37 - 51 Nm).
10. Adjust the engine coupler gap by following the steps
described in the engine coupler gap section of this
chapter.
11. Test run the log splitter before returning it to service.
Engine and pump
7