Toro Power Clear 621 Service Manual page 24

SPECIFICATIONS & MAINTENANCE
11. Set the gap on the plug to 0.030" (0.76mm)
(Fig. 019).
B
A
A. Center Electrode Insulator
B. Side Electrode
C. Air Gap (not to scale)
12. Install the spark plug and torque it to 20–22 ft­lb
(27–30 Nm).
13. Connect the wire to the spark plug.
NOTE
Ensure that the breather tube is routed above the spark
plug wire as shown in Fig. 020.
A. Breather tube
2-20
C
D
Fig. 019
A
B
Fig. 020
B. Carburetor drain bolt
14. Remove the fuel tank cap.
15. Install the shroud with the screws you removed in
step 4.
NOTE
Ensure that the upper and lower shrouds fit together in the
side grooves.
16. Install the fuel tank cap.
17. Install the chute seal, the discharge chute, and the
discharge chute handle onto the machine using the
hardware you removed in step 3.
NOTE
The small screw goes through the small hole in the chute
seal at the front of the discharge chute opening.
Toro Single Stage Snow Service Manual