User manual MTD SC621

[. . . ] Operator’s Manual 21-inch, 6-Speed Lawn Mower Model SC 621 IMPORTANT: Read safety rules and instructions carefully before operating equipment. Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forestcovered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of California the above is required by law (Section 4442 of the California Public Resources Code). A spark arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department, P. O. [. . . ] In temperatures below 55° F, prime five times. Do not prime to restart a warm engine after a short shutdown. Standing behind the mower, depress the blade control handle and hold it against the upper handle. Grasp starter handle and pull rope out slowly until engine reaches start of compression cycle (rope will pull slightly harder at this point). Let the rope • Locking Casters IMPORTANT: If you are cutting grass on a slope, always lock the front wheel casters of your mower for straight ahead operation. On level ground you may leave the casters unlocked to pivot freely. Unlocked Position Locked Position Figure 10 • To turn the mower on a slope with casters locked, depress the upper handle and raise the front wheels slightly. To lock caster: Lift and place the lock pin in the larger hole on each caster. See Figure 10. • • • 10 • To unlock caster: Lift and place the lock pin in the smaller hole to allow casters to rotate freely. See Figure 10. Chute Door Lower Handle of Grass Bag Lift bag here WARNING: Do not mow on slopes with casters unlocked since the mower can drift downhill. Bagging Grass Clippings This mower can bag grass clippings. For that, you will have to install the grass bag on to the unit. • Remove the three wing nuts holding the mulching baffle or side discharge chute in place. Then remove the plug or the chute as the case may be. See Figure 11. Wing Nut Figure 13 Emptying Your Grass Bag • Lift grass bag from the bagging adapter using the lower handle of the grass bag. While holding the lower handle, lift up the rear section of the grass bag. The bag will open and grass clippings will fall out. Empty the grass bag at a proper disposal site. Remove mulching baffle Side-Discharge Grass Clippings Wing Nut Figure 11 • Replace with bagging adapter. Attach using three wing nuts removed earlier. Be sure that inner lip of attachment goes under the edge of the deck. See Figure 12. Bagging Adapter This mower can also side-discharge grass clippings. For that, you will have to install the side-discharge chute on to the unit. • • Remove mulching baffle or grass bag adapter. [. . . ] Cub Yellow: 0716 Powder Black: 0637 21 Transmission Assembly IMPORTANT: For a proper working machine, use Factory Approved Parts. V-BELTS are specially designed to engage and disengage safely. A substitute (non OEM) V-Belt can be dangerous by not disengaging completely. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Part No. [. . . ]