Yard Machines 378, 387, 389, 370 manual Throttle Control Adjustment, Drive Clutch Control Adjustment

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THROTTLE CONTROL ADJUSTMENT

Screw

 

Cable

Control

Lever

Clamp

On Engine

 

Figure 7

If the throttle control requires adjustment or if it has been replaced, adjust the throttle control as follows.

Remove the screw shown in Figure 7. Remove the cable clamp from the cable.

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.

DRIVE CLUTCH CONTROL ADJUSTMENT

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:

The mower does not propel itself with the drive clutch engaged.

The mower’s drive wheels hesitate with the drive clutch engaged.

To resolve the above problems, rotate the adjustment wheel with your fingers. Clockwise to tighten the cable and counter-clockwise to loosen the cable. See Figure 8.

Models 370 - 379

Models 380 - 389

 

Bottom View

 

Adjustment Wheel

Figure 8

Note: For some people the drive clutch handle may not be in a comfortable position. You can adjust the handle out by tightening the adjustment wheel.

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Contents MTD Products INC. P.O. BOX 368022 CLEVELAND, Ohio Important Read Safety Rules and Instructions CarefullyGeneral Operation Important Safe Operation PracticesChildren ServiceSlope Operation Do notSafety Labels Found On Lawn Mower Gaugeslope Calling Customer Support Finding Your Model NumberDisconnect Spark Plug Wire Unpacking InstructionsRemove Unit from Carton Items Required for Assembly SET-UP InstructionsSET-UP Your Lawn Mower Tighten wing nuts Recoil Starter ControlsBlade Control Handle Throttle ControlGAS and OIL FILL-UP Cutting Height Adjustment LeverOperation Engine ControlsTo Start Engine and Engage Blade Neutral Adjustment TestUsing Your Rotary Mower Each Time Before YOU Start Your MowerBagging Grass Clippings Emptying a Full BAG of GrassMulching Grass Clippings Adjustments Handle Height AdjustmentSide Discharging Grass Clippings Optional Drive Clutch Control Adjustment Throttle Control AdjustmentMaintenance LubricationEngine Cutting Blade REMOVAL, Replacement and Sharpening Trouble ShootingDeck Shift Lever Cable Adjustment Models 380 389 Only Drive Belt Removal and Replacement Model 370 Series Small Baffle Blade Adapter Large Baffle Hex Head Screw Drive Belt Removal and Replacement Model 380 Series Six-Speed Direction but not the other. If the wheel OFF-SEASON Storage Trouble Shooting GuideModels 370 thru Front Axle Assembly & Height Adjuster†† Wheel Assembly Chart Description Model 380 thru 811-00185 710-1237 710-0871 Description Shroud Chart MANUFACTURER’S Limited Warranty for

378, 370, 389, 387 specifications

Yard Machines is a well-known brand in the outdoor power equipment market, primarily recognized for producing reliable and efficient lawn care devices. Among their product line, the Yard Machines 389, 387, 378, and 370 models represent the company's commitment to combining advanced technologies with practical features.

Starting with the Yard Machines 389, this model is engineered for durability and performance. It typically comes with a powerful engine that offers ample cutting power, making it ideal for tackling medium to large-sized lawns. The 389 features an adjustable cutting height that allows users to customize their mowing experience according to grass type and desired lawn aesthetics. Additionally, its large grass bag capacity reduces the frequency of emptying, making the mowing task more efficient.

The Yard Machines 387 offers similar performance with slightly varied specifications. It is designed for ease of use, boasting a lightweight frame and ergonomic handles, making it manageable for users of all ages. The 387’s engine is optimized for fuel efficiency, which not only saves money but also reduces the environmental impact. With its sturdy construction, the model is built to withstand the rigors of regular use, ensuring longevity.

Moving to the Yard Machines 378, this model is particularly noted for its enhanced maneuverability, making it suitable for variable terrains, including uneven yards and tight corners. It features a self-propelled option, allowing users to confidently navigate different landscapes without excessive effort. The 378 often includes a mulching capability, permitting grass clippings to be finely shredded and recycled back into the lawn for added nutrients.

Finally, the Yard Machines 370 is the entry-level model in this series, yet it doesn't compromise on performance. It is perfect for homeowners with small to medium lawns. Easy to handle, it often incorporates a straightforward recoil start system, making it user-friendly for those who may be new to lawn maintenance. The compact design further enhances its storage capabilities, appealing to those with limited garage or shed space.

In conclusion, the Yard Machines 389, 387, 378, and 370 models collectively showcase the brand’s dedication to quality and innovation in lawn care. With features designed for various user needs—from powerful engines to user-friendly designs—these mowers cater to a diverse range of customers looking to maintain their outdoor spaces efficiently.