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John Deere E170 Troubleshooting
The
John Deere E170 lawn tractor was manufactured between 2018 and 2020. The John
Deere E170 driveline includes a 44.2 cu.in (724 cc) Briggs and Stratton 44S977
4-cycle vertical-shaft V-twin cylinder OHV air-cooled gasoline engine and
Kanzaki Tuff Torq belt-driven hydrostatic transmission with foot-controlled
variable speed drive.
The engine has a cylinder bore of 3.12" (79 mm), piston stroke of 2.89"
(73 mm), and rated power of 25 hp (18.5 kW). The maximum forward speed -
5.5 mph (8.8 kph), maximum reverse speed - 3.2 mph (5.1 kph).
The John Deere E170 is equipped with a manual steering system, wet disc
brakes, 15x6.50-8 front tires, and 22x9.50-12 rear tires. The wheelbase
is 49" (1240 mm). Compatible attachments for the tractor: a 48"
mid-mount 3-blade mower deck with cutting height of 1.0-4.0" (25-102
mm), 13 cut positions, and manual lift system, 46" front blade, and 44"
front-mount 2-stage snow blower.
Engine Troubleshooting |
Engine starts hard or doesn't start |
Empty fuel tank - Fill fuel up |
Low-quality gasoline - Change fuel |
Air in the fuel lines - Bleed the fuel lines |
Defective wiring connection of spark plug - Check the spark plug wire connection, repair or replace |
Damaged spark plug - Replace spark plug |
Dirty fuel filter - Fuel filter needs to be replaced |
Safety contact for brake pedal defective - Install new part |
Carburetor is clogged - Clean the carburetor |
Engine has low compression - Check cylinder block and replace defective parts |
Incorrectly adjusted or damaged throttle cable - Adjust properly or replace the cable |
Air intake grill is clogged - Need to clean or wash |
Ignition system malfunction - Inspect ignition system and change faulty parts |
Defective or stuck choke cable - Replace or service the cable |
Air filter element is clogged - Clean or replace air filter |
Fuel pump is damaged or dirty - Test fuel pump and change if necessary |
Engine starts and stops immediately |
Defective spark plug - Install new spark plug |
Carburetor is faulty or dirty - Service or change carburetor |
Damaged ignition coil - Replace ignition coil as necessary |
Worn or loose valve springs - Replace valve springs |
Stuck valves - Clean the valves |
Engine oil level low - Fill the crankcase with engine oil |
Engine overload - Reduce the load |
Air intake screen is blocked - Need to clean or wash |
Too lean carburetor mixture - Adjust carburetor correctly |
Incorrect ignition timing - Set the ignition timing correctly |
Wrong valve setting - Set the valves properly |
Stale gasoline - Change fuel |
Excessive engine load - Reduce load |
Engine oil insufficient - Add oil to the engine crankcase |
Low idle speed adjustment is incorrect - Adjust idling as required |
Dirty or defective fuel pump - Test fuel pump and change if necessary |
Main bearings or crankshaft failure - Have bearings or crankshaft replaced |
Valve clearance is incorrect - Adjustment procedure required |
Piston rings or cylinder bore are damaged - Replace faulty parts |
Clogged or improperly adjusted carburetor - Carburetor needs to be adjusted correctly or cleaned |
Plugged air filter - Replace or service air filter |
Dirty or faulty fuel pump - Check fuel pump and change if required |
Ignition system failure - Test ignition and replace failed parts |
Blown cylinder head gasket - Replace the gasket as required |
Valves are burned or stuck - Replace or clean valves |
Worn or damaged push rod - Push rod should be replaced |
Damaged cylinder block parts - Defective components need to be replaced |
Excessive fuel consumption |
Choke opening is not full - Replace or adjust choke cable |
Carburetor main jet is incorrectly adjusted - Adjust main jet as required |
Defective or loose spark plug - Re-tighten or change the spark plug |
Stuck, burned, or worn valves - Clean or replace valves |
Worn sleeve, rings, or piston - Change faulty parts |
Valve clearance is improper - Check and adjust |
Engine using too much oil |
Gaskets or seals can be faulty - Change worn parts according to specifications |
Valve guides or stems are damaged - Need to replace the valves |
Seized or wear piston rings - Change piston rings |
Piston or cylinder liner is damaged - Check liner and piston, install new components as required |
Blocked breather pipe or hose - Clean or replace |
Hydrostatic Transmission Troubleshooting |
HST transmission is excessively noisy |
Speed control linkage is worn or unadjusted - Adjust or replace linkage |
Transmission is under excessive load - Reduce transmission load |
Insufficient oil level or contaminated oil - Add oil to the correct level or fill the transmission with fresh oil |
Worn or defective transmission components - Check transmission parts for damage or wear and replace if required |
Stuck or damaged gshift linkage - Replace or repair the linkage |
Seized or worn hydrostatic pump - Repair or replace pump |
Worn or misadjusted transmission shift control parts - Change or adjust correctly |
Insufficient transmission oil - Check transmission oil level and add oil as required |
Worn or faulty drive pulley - Install a new pulley |
Shifter linkage is not adjusted or faulty - Change or adjust linkage |
Speed control pedal linkage is damaged or out of adjustment - Replace or adjust linkage |
Transmission seals or gaskets are broken - Change seals or gaskets |
Final drive shaft is leaking - Change shaft seals |
Cracked transmission housing - Replace damage housing or transmission assembly |
Mower Deck Troubleshooting |
Mower vibrates too much |
Worn or dirty mower drive pulley - Service or change pulley |
Worn or loose drive belt - Belt needs to be adjusted or replaced |
Unbalanced or warped cutting blades - Replace or balance blades |
Loose blade bolts tightening - Tighten bolts as required |
Discharge chute regular clogging |
High mowing speed - Select a slower speed |
Long grass - Use a lower cutting height |
Engine rpm is too low - Throttle is not fully open |
Cutting level is too low - Adjust mower to higher cutting height |
Mower deck drive belt installed incorrectly - Drive belt must be installed correctly |
Lawn mower leaving uncut grass |
Deck clogged with grass clippings - Clean out the mower deck |
Blades are too dull - Blades need to be sharpened |
Worn or defective blades - Blades need to be replaced |
High mowing speed - Use a lower speed |
Cutting level is too low - Use correct cutting height |
Full bagger - Remove grass from bagger |
Blades are scalping the grass |
Bumpy or unleveled lawn - Level the lawn |
Mower deck cutting height is set too low - Use correct cutting height |
High ground speed - Select a lower speed |
Improperly leveled mower deck - Adjust mower deck level properly |
Bent or worn blades - Blades must be changed |
Low tire pressure - Correct tire pressure |
Low tire pressure - Need to inflate tires |
Mower deck is not leveled properly - Adjust mower deck level properly |
Blades are too dull - Need a blade sharpening |
Worn or defective blades - Install new blades |
Cutting deck is clogged - Clean mower deck as required |
Deck shell is broken - Rebuild or replace mower deck |
Mower spindle is faulty or loose - Repair or change the spindle |
Electrical Troubleshooting |
Battery will not charge |
Electrical wire connections are corroded or loose Tighten or clean electrical wiring connections |
Electrical terminal connectors are defective - Install new terminal connectors |
Dead cell in battery - Change the battery |
Low battery power - Charge the battery |
Battery does not hold charge - Battery needs service or replacement |
Faulty battery terminals or disconnected cables - Connect cables properly or replace terminals |
Battery is discharged or defective - Replace or charge as required |
Wiring is incorrectly connected or disconnected - Inspect wiring and connect correctly |
Battery capacity is low - Charge the battery |
Improperly gapped or dirty spark plug - Clean, gap or change spark plug |
Starter motor or solenoid is defective - Repair starter or replace solenoid |
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Lawn and Garden Tractors Technical Specs |