Yard Machines 387, 389, 370, 378 manual OFF-SEASON Storage, Trouble Shooting Guide

Page 24

SECTION 10: OFF-SEASON STORAGE

The following steps should be taken to prepare lawn mower for storage.

Clean and lubricate mower thoroughly as described in the lubrication instructions.

Refer to engine manual for correct engine storage instructions.

Coat mower’s cutting blade with chassis grease to prevent rusting.

Store mower in a dry, clean area. Do not store next to corrosive materials, such as fertilizer.

NOTE: When storing any type of power equipment in an poorly ventilated or metal storage shed, care should be taken to rust-proof the equipment. Using a light oil or silicone, coat the equipment, especially cables and all moving parts.

SECTION 11: TROUBLE SHOOTING GUIDE

Trouble

Possible Cause(s)

Corrective Action

 

 

 

 

 

 

Engine fails to start

Blade control handle disengaged.

Engage blade control handle.

 

Spark plug wire disconnected.

Connect wire to spark plug.

 

Throttle control lever not in correct

Move throttle lever to FAST or START posi-

 

starting position.

tion.

 

Fuel tank empty, or stale fuel.

Fill tank with clean, fresh gasoline.

 

Blocked fuel line.

Clean fuel line.

 

Faulty spark plug.

Clean, adjust gap or replace.

 

Engine flooded.

Crank engine with throttle in FAST position.

 

 

 

Engine runs erratic

Unit running in START position.

Move throttle lever to FAST position.

 

Spark plug wire loose.

Connect and tighten spark plug wire.

 

Blocked fuel line or stale fuel.

Clean fuel line; fill tank with clean, fresh

 

 

gasoline.

 

Vent in gas cap plugged.

Clear vent.

 

Water or dirt in fuel system.

Drain fuel tank. Refill with fresh fuel.

 

Dirty air cleaner.

Clean air cleaner.

 

Carburetor out of adjustment.

Adjust carburetor.

 

 

 

Engine overheats

Engine oil level low.

Fill crankcase with proper oil.

 

Air flow restricted.

Remove blower housing and clean.

 

Carburetor not adjusted properly.

Adjust carburetor.

 

 

 

Occasional skip (hesitates) at

Spark plug gap too close.

Adjust gap to .030”.

high speed

 

 

 

 

 

Idles poorly

Spark plug fouled, faulty or gap too

Reset gap to .030” or replace spark plug.

 

wide.

 

 

Carburetor improperly adjusted.

Adjust carburetor.

 

Dirty air cleaner.

Clean air cleaner.

 

 

 

Excessive vibration

Cutting blade loose or unbalanced.

Tighten blade and adapter. Balance blade.

 

Bent cutting blade.

Replace blade.

 

 

 

Mower will not mulch grass

Engine speed too low.

Set throttle between 3/4 and full throttle.

 

Wet grass.

Do not mow when grass is wet; wait until

 

 

later to cut.

 

Excessively high grass.

Mow once at a high cutting height, then

 

 

mow again at desired height or make a nar-

 

 

rower cutting swath (1/2 width).

 

Dull blade.

Sharpen or replace blade.

 

 

 

Uneven cut

Wheels not positioned correctly.

Place all four wheels in same height posi-

 

 

tion.

 

Dull blade.

Sharpen or replace blade.

 

 

 

Refer to separate engine manual packed with your mower for more engine related information.

NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service dealer or call 1-800-800-7310 for the Customer Support Center.

24

Image 24
Contents Important Read Safety Rules and Instructions Carefully MTD Products INC. P.O. BOX 368022 CLEVELAND, OhioImportant Safe Operation Practices General OperationService Slope OperationDo not ChildrenSafety Labels Found On Lawn Mower Gaugeslope Finding Your Model Number Calling Customer SupportDisconnect Spark Plug Wire Unpacking InstructionsRemove Unit from Carton Items Required for Assembly SET-UP InstructionsSET-UP Your Lawn Mower Tighten wing nuts Controls Blade Control HandleThrottle Control Recoil StarterCutting Height Adjustment Lever OperationEngine Controls GAS and OIL FILL-UPNeutral Adjustment Test Using Your Rotary MowerEach Time Before YOU Start Your Mower To Start Engine and Engage BladeBagging Grass Clippings Emptying a Full BAG of GrassMulching Grass Clippings Adjustments Handle Height AdjustmentSide Discharging Grass Clippings Optional Throttle Control Adjustment Drive Clutch 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 Trouble Shooting Guide OFF-SEASON StorageFront Axle Assembly & Height Adjuster Models 370 thru†† 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.