Ariens 924 SNO-THRO 924109 - Manual (Page 21)

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See your engine manual for information on the opera-
tion and maintenance of your engine. Follow those
instructions for oil and filter changes.
6.2 REMOVING THE ENGINE
1. Drain gasoline.
2. Place unit in the Belt Service Position.
3. Remove both belts from the engine pulleys.
Remove pulleys.
4. If the unit has a bracket at the top of the engine for
chute/deflector controls, unbolt it.
5. On electric start units, disconnect the battery.
Remove the starter.
6. Remove the four mounting bolts from the engine
base.
6.3 INSTALLING THE ENGINE
1. Position the engine in the frame.
2. Insert mounting bolts and tighten.
3. On electric start units, install the starter. Connect
battery.
4. Reattach any brackets for chute/deflector controls.
5. Install pulleys on engine shaft. Do not tighten set
screws.
6. Install belts. Adjust the engine pulleys to align with
attachment and drive pulleys. Tighten set screws.
7. Take unit out of Belt Service Position.