GearGuiders — Workshop Manual
GearGuiders field manual — engraved diagrams of cordless power tools

Field Manual070

GearGuiders

Manual Library

Every manual on file.

Every GearGuiders troubleshooting manual. Filed by date.

070 manuals
070

Chainsaw Chain Keeps Coming Loose? Causes, Tests, and FixesA chain that loosens during break-in is normal. One that keeps coming loose has five testable causes: technique, bar nuts, sprocket wear, bar wear, or a stretched-out chain. Here's how to isolate each.

other · outdoor-power2026-07-17
069

Chainsaw Won't Start? Gas and Battery Fix Order That Actually Finds ItGas saw cranks without firing, or battery saw dead with a full pack? Here's the diagnostic order — fuel, flood, spark, air for gas; brake, latch, and interlocks for battery.

other · chainsaws2026-07-16
068

Lawn Mower Won't Start? Work Through These Checks in OrderGas mower dead after winter, or battery mower silent with a full pack? Here's the fix order that finds the problem fastest — fuel, spark, air, and interlocks.

other · outdoor-power2026-07-16
067

Stihl Chainsaw Won't Start? Master Control Lever, Flooding, and the Fix OrderStihl won't fire, or died after too many full-choke pulls? Most no-starts are the Master Control Lever sequence or a flooded engine. Here's the procedure and the fixes.

Stihl · chainsaws2026-07-16
066

Toro Lawn Mower Won't Start? Recycler and Super Recycler Fix OrderToro Recycler cranks but won't fire, or won't respond at all? The fix order differs between primer-bulb models and auto-choke models — here's both, step by step.

Toro · outdoor-power2026-07-16
065

Cordless Mower Battery Dies Too Fast? How to Get Your Runtime BackYour battery mower used to finish the lawn and now it quits halfway. Here's what really eats runtime, what summer heat does to the pack, and the fixes that restore minutes.

other · outdoor-power2026-07-15
064

Best Cordless Finish Nailers of 2026The best cordless 16-gauge finish nailers of 2026 from Milwaukee, DeWalt, Metabo HPT, Makita, and Ryobi, grouped by who's actually holding the gun.

other · nailers2026-07-13
063

Worx Battery Not Charging with a Red Light Flashing: What It Means and How to Fix ItA flashing red light on a Worx PowerShare charger almost always means temperature lockout, dirty contacts, or a deeply drained pack. Work through the causes in order before you buy anything.

Worx · batteries-chargers2026-07-10
062

Milwaukee M12 Battery Not Charging Red Light FlashingM12 pack on the charger and the red light just blinks? The pattern tells you whether it's temperature, contacts, or a pack that's done. Here's how to read it and the fixes in the order they actually work.

Milwaukee · batteries-chargers2026-07-08
061

The Best Cordless Hedge Trimmers in 2026The best cordless hedge trimmers of 2026 compared by blade length, stroke rate, weight, and battery platform, with clear picks for homeowners, pros, and early risers.

other · outdoor-power2026-07-06
060

String Trimmer Line Keeps Breaking: What's Actually WrongTrimmer line that snaps every few feet is almost never the trimmer's fault. It's old brittle line, the wrong diameter, or where you're putting the tip. Here's how to stop it.

other · outdoor-power2026-07-03
059

Impact Driver Bit Keeps Falling Out: Causes and FixesImpact driver bit won't stay put or keeps dropping out? Here's how the quick-release collet actually grips a bit, why it lets go, and how to fix it.

other · impact-drivers2026-06-30
058

The Best Cordless Chainsaws in 2026The best cordless chainsaws in 2026, grouped by battery platform and job, from the all-around EGO CS1804 to DeWalt FLEXVOLT, Milwaukee M18, Makita LXT, and budget Ryobi.

other · outdoor-power2026-06-29
057

Cordless Tool Battery Stuck and Won't Release: How to Get It Off SafelyA battery jammed on your drill or impact driver is almost always a half-pressed latch, gunk in the rails, or a swelling pack. Here's how to free it without snapping the latch or damaging a lithium cell.

other · batteries-chargers2026-06-26
056

Milwaukee M18 Battery Not Charging Red Light FlashingMilwaukee M18 charger flashing red and the pack won't fill? The light is telling you something specific. Here's what each pattern means and the order to work the temperature, contact, and dead-cell checks.

Milwaukee · batteries-chargers2026-06-24
055

The Best Cordless Miter Saws in 2026The best cordless miter saws in 2026, grouped by battery platform and job, from 12-inch DeWalt and Milwaukee sliders to a hybrid Metabo HPT and budget Ryobi.

other · saws2026-06-22
054

DeWalt Battery Not Charging Red Light FlashingDeWalt charger flashing red and the pack won't fill up? Learn what the LED actually means and work through the temperature, contact, and dead-cell checks in order.

DeWalt · batteries-chargers2026-06-19
053

Cordless Lawn Mower Keeps Shutting Off? Here's Why, In OrderA battery mower that cuts out mid-stripe is usually protecting itself, not dying. Most shutdowns come from overload, heat, or a dirty contact. Here's the fix order.

other · outdoor-power2026-06-17
052

Air Compressor Won't Build Pressure? Find the LeakAir compressor won't build pressure or leaks down overnight? The check valve and unloader are different parts with different symptoms — here's how to tell.

other · nailers-compressors2026-06-15
051

Best Cordless Framing Nailers of 2026The best cordless framing nailers of 2026 — from the pro-grade Milwaukee 2744-20 to the value Metabo HPT NR1890DR — grouped by the battery you run.

other · nailers2026-06-15
050

Chainsaw Runs But Chain Won't Spin? Check TheseChainsaw runs but the chain won't move? It's almost always the chain brake or an over-tensioned chain — not the clutch. Here's the fix order.

other · chainsaws2026-06-15
049

Circular Saw Keeps Stopping Mid-Cut? Here's WhyCircular saw bogging down or stalling mid-cut? Usually a pinched kerf or a dull/backwards blade — not a dying motor. Here's how to fix it.

other · saws2026-06-15
048

Cordless Drill Chuck Won't Tighten? Why the Bit SlipsDrill chuck won't grip the bit or keeps loosening? The fix most guides miss is the left-hand retaining screw inside a two-piece chuck.

other · drills-drivers2026-06-15
047

EGO Lawn Mower Won't Start? Check These Things in OrderEGO mower dead with a charged battery? Most no-starts come down to the handle locks, the start sequence, or an overload light. Here's the fix order.

EGO · outdoor-power2026-06-12
046

Ryobi String Trimmer Won't Feed Line: How to Fix ItRyobi ONE+ trimmer not feeding line when you bump it? On these heads it is almost always the spool or the line, not the motor. Here are the fixes in order.

Ryobi · outdoor-power2026-06-12
045

Ryobi 40V Lawn Mower Won't Start: What to Check, in OrderRyobi 40V mower dead with a charged battery? Usually it's the handle, the interlocks, or a pack that sags under load. Here's the fix order.

Ryobi · outdoor-power2026-06-10
044

Best Cordless Hammer Drills of 2026The best cordless hammer drills of 2026, grouped by who should buy each one, with honest notes on battery platforms, torque, and the catch on every pick.

other · drills2026-06-08
043

DeWalt Battery Charger Troubleshooting: LED Codes & FixesDeWalt DCB115 or DCB118 showing no light, yellow light, or blinking red? Decode every LED state from DeWalt's manuals, with the exact fix for each.

DeWalt · batteries-chargers2026-06-07
042

EGO Battery Charger Troubleshooting: LED Codes & FixesEGO 56V charger flashing red, no light, or won't charge? Decode CH5500 LED patterns and work through every fix from the charger manual.

EGO · batteries-chargers2026-06-07
041

Makita Battery Charger Troubleshooting: LED Codes & FixesDecode every LED pattern on Makita DC18RF, DC18RC, DC18RD, and DC18WA chargers — red-green alternating, slow red flash, and cold faults, with fixes.

Makita · batteries-chargers2026-06-07
040

Milwaukee Battery Charger Troubleshooting: LED CodesDecode every LED pattern on Milwaukee M12/M18 chargers (48-59-1807/1808/1812) — blinking red, red-green alternating, and hot-pack faults, with fixes.

Milwaukee · batteries-chargers2026-06-07
039

Ryobi Battery Charger Troubleshooting: LED Codes & FixesRyobi charger blinking red, stuck in Evaluate mode, or won't charge? Decode every LED pattern for 18V ONE+ and 40V chargers, with the fix for each.

Ryobi · batteries-chargers2026-06-07
038

Milwaukee Impact Driver Not Working: How to Fix ItMilwaukee M18 impact driver dead or losing power? Check the battery, contacts, forward/reverse lock, and trigger to bring an M18 Fuel back to life.

Milwaukee · impact-drivers2026-06-06
037

DeWalt Cordless Nailer Not Firing: How to Fix ItDeWalt cordless nailer not firing? Work through dry-fire lockout, trigger lock, depth setting, stall, and battery to get a DCN680 driving nails again.

DeWalt · nailers2026-06-03
036

DeWalt Impact Driver Not Working: How to Diagnose and Fix ItDeWalt impact driver dead or losing power? Work through the battery, contacts, trigger, and forward/reverse collar to bring a DCF887 back.

DeWalt · impact-drivers2026-05-31
035

Best Cordless Combo Kits in 2026: Drill & Impact SetsThe best cordless combo kits in 2026, sorted by who should buy them, with honest notes on battery platforms, runtime, and the catch on every pick.

other · drills2026-05-30
034

Best Cordless Reciprocating Saws in 2026The best cordless reciprocating saws in 2026 — Milwaukee, DeWalt, Makita, and Ryobi compared by power, battery platform, and use case.

other · saws2026-05-30
033

Best Battery-Powered Lawn Mowers in 2026The best battery-powered lawn mowers in 2026 — Ego, Milwaukee, DeWalt, Ryobi, and Greenworks compared by battery platform, runtime, and deck size.

other · outdoor-power2026-05-29
032

Best Cordless Leaf Blowers in 2026The best cordless leaf blowers in 2026 — Ego, Milwaukee, DeWalt, Ryobi, and Greenworks compared by CFM, battery platform, and form factor.

other · outdoor-power2026-05-18
031

Best DeWalt 20V MAX Batteries in 2026The best DeWalt 20V MAX batteries in 2026 — 2.0Ah Compact, 5.0Ah XR, 9.0Ah FLEXVOLT, and the charger that handles every DeWalt pack.

DeWalt · batteries-chargers2026-05-18
030

Best Milwaukee M18 Batteries in 2026The best Milwaukee M18 batteries in 2026 — XC 5.0Ah, HIGH OUTPUT 6.0Ah and 12.0Ah, CP compact, FORGE, and the charger that handles both M18 and M12.

other · batteries-chargers2026-05-15
029

Best Cordless Drills for Homeowners in 2026The best cordless drills for homeowners in 2026, from premium picks like the DeWalt DCD800 to value champions like the Ryobi PBLDD01.

other · drills2026-04-27
028

DeWalt FLEXVOLT Battery on 20V MAX Tool — Yes, It WorksFLEXVOLT 60V batteries auto-switch to 20V mode when mounted on 20V MAX tools. They work backward; 20V MAX packs do NOT work on 60V tools.

DeWalt · batteries-chargers2026-04-22
027

EGO 56V Battery Compatibility Across ToolsEGO Power+ uses a single 56V Arc Lithium platform — every 56V battery fits every 56V tool. Capacity affects runtime, not compatibility.

EGO · batteries-chargers2026-04-22
026

EGO CH7000 Rapid Charger LED MeaningsEGO's CH7000 rapid charger uses 4 green capacity LEDs plus a red/green status LED. Here's what each pattern means per the verified manual.

EGO · batteries-chargers2026-04-22
025

Makita 18V LXT Battery Won't Fit 40V XGT Tool18V LXT and 40V XGT are completely separate Makita platforms. The batteries don't physically interchange between them, by design.

Makita · batteries-chargers2026-04-22
024

Milwaukee M12 Battery Won't Fit M18 ToolTrying to use an M12 battery on an M18 tool? They don't connect — these are completely separate platforms with different physical interfaces.

Milwaukee · batteries-chargers2026-04-22
023

Ryobi 18V ONE+ Battery Won't Fit 40V ToolRyobi 18V ONE+ and 40V are completely separate platforms. The packs have different physical interfaces and don't interchange.

Ryobi · batteries-chargers2026-04-22
022

Blinking Red Light on Kobalt Battery ChargerKobalt LED blinking or flashing? Decode the fault pattern and clear the charger or tool with these checks.

Kobalt · batteries-chargers2026-04-20
021

Bosch Battery Charger Flashing Red LightBosch LED blinking or flashing? Decode the fault pattern and clear the charger or tool with these checks.

Bosch · batteries-chargers2026-04-20
020

Bosch Lawnmower Battery Not Charging Red Light FlashingBosch battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Bosch · batteries-chargers2026-04-20
019

Craftsman Drill Battery Red Light BlinkingCraftsman LED blinking or flashing? Decode the fault pattern and clear the charger or tool with these checks.

Craftsman · batteries-chargers2026-04-20
018

Echo 58v Battery Charger Blinking Red LightEcho LED blinking or flashing? Decode the fault pattern and clear the charger or tool with these checks.

Echo · batteries-chargers2026-04-20
017

Echo 58v Battery Not Charging Red Light FlashingEcho battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Echo · batteries-chargers2026-04-20
016

EGO LM2102 Mower Won't Self-Propel — Drive Belt & Clutch FixEGO LM2102 stopped self-propelling mid-mow? Here is how to diagnose the drive cable, clutch, and belt without tearing the deck apart.

EGO · outdoor-power2026-04-20
015

Greenworks 40v Battery Not Charging Red Light FlashingGreenworks battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Greenworks · batteries-chargers2026-04-20
014

Greenworks 80v Battery Not Charging Red Light FlashingGreenworks battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Greenworks · batteries-chargers2026-04-20
013

Greenworks Pro Battery Not Charging Red Light FlashingGreenworks battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Greenworks · batteries-chargers2026-04-20
012

Hart 20v Battery Not Charging Red Light FlashingHart battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Hart · batteries-chargers2026-04-20
011

Hart 40v Battery Not Charging Red Light FlashingHart battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Hart · batteries-chargers2026-04-20
010

Hart Battery Not Charging Blinking Red LightHart battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Hart · batteries-chargers2026-04-20
009

Hilti Battery Charger Flashing Red LightHilti LED blinking or flashing? Decode the fault pattern and clear the charger or tool with these checks.

Hilti · batteries-chargers2026-04-20
008

Husqvarna Battery Not Charging Red Light FlashingHusqvarna battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Husqvarna · batteries-chargers2026-04-20
007

Kobalt 40v Battery Not Charging Red Light FlashingKobalt battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Kobalt · batteries-chargers2026-04-20
006

Kobalt Battery 4 Red Lights FlashingKobalt LED blinking or flashing? Decode the fault pattern and clear the charger or tool with these checks.

Kobalt · batteries-chargers2026-04-20
005

Metabo HPT Battery Red Light FlashingMetabo HPT LED blinking or flashing? Decode the fault pattern and clear the charger or tool with these checks.

Metabo HPT · batteries-chargers2026-04-20
004

Porter-Cable Battery Charger Blinking Red LightPorter-Cable LED blinking or flashing? Decode the fault pattern and clear the charger or tool with these checks.

Porter-Cable · batteries-chargers2026-04-20
003

Ridgid Battery Charger Red Light FlashingRidgid LED blinking or flashing? Decode the fault pattern and clear the charger or tool with these checks.

Ridgid · batteries-chargers2026-04-20
002

Stihl Battery Not Charging Red Light FlashingStihl battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Stihl · batteries-chargers2026-04-20
001

Toro Flex Force Battery Red Light FlashingToro LED blinking or flashing? Decode the fault pattern and clear the charger or tool with these checks.

Toro · batteries-chargers2026-04-20
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