Note: Your new engine is different than the original engine. Use these instructions to identify the changes to make the new engine compatible.
Note: Determine the left and right sides of the machine from the normal operating position.
Note: You can use a hoist for better access under the machine.
Park the machine on a level surface.
Engage the parking brake.
Shut off the engine and remove the key.
Allow the machine to cool.
Incorrect battery cable routing could damage the machine and cables, causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury.
Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable.
Always connect the positive (red) battery cable before connecting the negative (black) cable.
Always keep the battery strap in place to protect and secure the battery.
Battery terminals or metal tools could short against metal machine components, causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury.
When removing or installing the battery, do not allow the battery terminals to touch any metal parts of the machine.
Do not allow metal tools to short between the battery terminals and metal parts of the machine.
Note: Ensure that all required Toro parts are removed from the old engine. The existing parts may include the throttle bracket, air cleaner bracket, fuel hoses, electrical connections, flywheel coupling, or bell-housing.
Remove the parts shown in Figure 3 from the old engine and install them onto the new engine.
Note: If parts are not available from the old engine or are damaged, refer to your parts manual for ordering replacement parts.
Use the Kubota Engine Service Manual to install the new engine.
Set the low-idle engine speed to 1600 rpm.
Note: Ensure that all required Toro parts are removed from the old engine. The existing parts may include the throttle bracket, air cleaner bracket, fuel hoses, electrical connections, flywheel coupling, or bell-housing.
Order a new oil filter and exhaust gasket (Figure 4). Refer to the Toro Parts Manual for the correct part numbers.
Other than the oil filter and exhaust grasket, remove the parts shown in Figure 4 from the old engine and install them onto the new engine, including the new oil filter and exhaust gasket.
Note: If parts are not available from the old engine or are damaged, refer to your parts manual for ordering replacement parts.
Use the Kubota Engine Service Manual to install the new engine.
Set the low-idle engine speed to 2000 rpm.
Note: Ensure that all required Toro parts are removed from the old engine. The existing parts may include the throttle bracket, air cleaner bracket, fuel hoses, electrical connections, flywheel coupling, or bell-housing.
Remove the parts shown in Figure 5 from the old engine and install them onto the new engine.
Note: If parts are not available from the old engine or are damaged, refer to your parts manual for ordering replacement parts.
Use the Kubota Engine Service Manual to install the new engine.
Set the low-idle engine speed to 1200 rpm.