Speed Control Cable And Lever - MTD 830 Series Shop Handbook

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7. The driven pulley (transmission) reaction is
opposite of the driving (engine) pulley. As a
given linear belt speed is applied to an effec-
tively smaller pulley, the drive ratio shifts in the
direction of increased speed. See Figure 5.4.
Power ratio to wheels
Transmission
pulley
Engine pulley
Figure 5.4
Speed ratio to wheels
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830-860 SERIES SELF-PROPELLED MOWERS

Speed control cable and lever

1. Remove the crankshaft pulley cover, as
described in the "DRIVE BELT" section of this
manual.
2. Un-hook the spring from the arm on the speed
control cam. See Figure 5.5.
Crankshaft pulley cover
Speed control cam
3. Release the barbed fitting on the end of the
cable housing from the clutch housing. A 9mm
open-end wrench or a Ford fuel line tool can be
used to release the barbs. See Figure 5.6.
Squeeze barbs
to release
11
Speed control
cable spring
Figure 5.5
Figure 5.6