Servicing The Spark Plug - Toro Power Clear 621 QZR Operator's Manual

Figure 31
1. Oil fill cap
7. Unscrew the oil fill cap and remove it (Figure 31).
8. With the machine in the operating position, carefully
pour oil into the oil fill hole. Wait 3 minutes for the
oil to settle and add enough to bring it to the point of
overflow. There should be very little, if any, oil left in
the bottle (Figure 33).
Note: You may tip the machine forward (handle up)
to make adding oil easier. Remember to return the
machine to the operating position before checking the
oil level.
Important: Do not tip the machine all the way
forward onto its nose, or fuel may leak out of the
machine.
Max fill: 20 oz. (0.6 l), type: automotive detergent oil
with an API service classification of SJ, SL, or higher.
Use Figure 32 below to select the best oil viscosity for
the outdoor temperature range expected:
Figure 32
9. Screw the oil fill cap into the oil fill hole, and hand
tighten it securely.
10. Wipe up any spilled oil.
11. Dispose of the used oil properly at a local recycling
center.

Servicing the Spark Plug

Service Interval: Yearly—Check the spark plug and replace
it if necessary.
Use a NGK BPR6ES or Champion RN9YC spark plug
or equivalent.
1. Stop the engine and wait for all moving parts to stop.
2. Rotate the discharge chute so that it faces forward.
3. Remove the discharge chute, the discharge chute
handle, and the chute seal by removing the 3 large
screws and one small screw (Figure 34).
1. Fuel tank cap
2. Large screws (3)
3. Discharge chute
16
Figure 33
Figure 34
4. Small screw
5. Chute seal