580 MTD gas walk behind lawnmower

User Manual - Page 16

For 580.

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Turn the lower handle around so the notch on the bottom of the lower handle is facing forward as shown
in Figure 14B. Reassemble, placing the bottom holes in the handle over the weld pins in the handle
mounting bracket.
Reassemble the upper handle to the lower handle.
Place the hairpin clips in the inner holes of the weld pins and attach the starter rope as instructed in the
Assembly section.
Adjusting Throttle Control
If your lawn mower is equipped with an adjustable throttle control on the handle (refer to the first category of
throttle control described on page 13 of this manual), adjust it following instructions below.
Adjust the throttle control only if it is out of adjustment, or if it has been replaced.
- Remove the screw shown in Figure 15. Remove the cable clamp from the cable. NOTE: If your mower
has a Teeumseh engine, simply loosen the screw shown in Figure 15 so the cable will move freely
beneath the clamp. It is not necessary to remove the screw and clamp completely.
Push the throttle control lever on the handle all the way forward as far as it will go, then back it off one
"click." Make certain the throttle control lever remains in this position.
Push the control lever on the engine as far toward the rear of the engine as it will go. Secure the cable in
this position with the cable clamp and screw.
Briggs& StrattonEngines
Cable
Clamp
Cab(e Lever on
Clamp Engine
Quantum Models
Tecumseh Engines
Lever
On Engine
Sprint & Classic Models
Cable Clamp
/
,f
Control
Lever on
Engine
Figure 15
Adjusting Drive Clutch
The drive clutch control adjustment wheel is located in the drive clutch control handle housing and is used to
tighten or loosen the drive belt. You will have to adjust the drive clutch control if any of the following happens:
1, The mower does not propel itself with the drive clutch engaged,
2, The mower's drive wheels hesitate with the drive clutch engaged,
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