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Old 11-29-2013, 05:22 PM
Steve123 Steve123 is offline
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Giant vac engine swap- how to?

I picked up a older 5 hp Giant vac blower that need a new engine. The engine model is: 135202 0171 01 92072127.

I was thinking of a clone since this will not see a lot of use. Can anyone walk me through the switch?
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Old 11-29-2013, 07:00 PM
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Restrorob Restrorob is offline
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Steve,


About the only thing that's not self explanatory is when you remove the center crankshaft bolt (impeller bolt) there's slightly larger threads in the impeller, This is so a larger bolt can be screwed into the impeller which will push on the end of the crankshaft and jack the impeller off. Penetrating oil is your friend so use plenty and let it soak a while and try using a grade 8 bolt, Put grease on the end and threads of the jack bolt.

Also...... You may have to space the clone (OHV) engine up higher on the engine mount, I know for sure larger blowers with "L" head engines had to have the OHV engine spaced up.......
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Old 11-30-2013, 08:31 AM
Steve123 Steve123 is offline
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It looks like there is only one bolt holding the impeller on. Looks like a allen bolt. Does this screw into the engine shaft?

Also, anyone know what clone would fit this engine code?
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Old 11-30-2013, 09:03 AM
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Restrorob Restrorob is offline
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Re-read my post again slowly...... That "allen" bolt holds the impeller to the engine shaft.

There's no cross reference from your old engine to a clone......Pull your old engine off then measure the engine shaft length and diameter, Then purchase a clone with the same engine shaft specs......
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