McCulloch MC12527ES owner manual Troubleshooting

Page 19

TROUBLESHOOTING

See appropriate section in manual unless directed to an authorized service center/department.

PROBLEM

 

CAUSE

 

CORRECTION

Does not start

1.

Fuel shut-off valve (if so

1.

Turn fuel shut-off valve to OPEN position.

 

 

equipped) in OFF position.

 

 

 

2.

Safety ignition key

2.

Insert safety ignition key.

 

 

is not inserted.

 

 

 

3.

Out of fuel.

3.

Fill fuel tank with fresh, clean gasoline.

 

4.

Throttle in STOP position

4.

Move throttle to FAST position

 

 

(or ON/OFF switch is OFF).

 

(or ON/OFF switch to ON position).

 

5.

Choke in OFF position.

5.

Move to FULL position.

 

6.

Primer not depressed.

6.

Prime as instructed in the Operation section of this manual.

 

7.

Engine is flooded.

7.

Wait a few minutes before restarting, DO NOT prime.

 

8.

Spark plug wire is

8.

Connect wire to spark plug.

 

 

disconnected.

 

 

 

9.

Bad spark plug.

9.

Replace spark plug.

 

10.

Stale fuel.

10.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

11.

Water in fuel.

11.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

 

 

 

 

Loss of power

1.

Spark plug wire loose.

1.

Reconnect spark plug wire.

 

2.

Throwing too much snow.

2.

Reduce speed and width of swath.

 

3.

Fuel tank cap is covered

3.

Remove ice and snow on and around fuel tank cap.

 

 

with ice or snow.

 

 

 

4.

Dirty or clogged muffler.

4.

Clean or replace muffler.

 

 

 

 

 

Engine idles or

1.

Choke is in FULL position.

1.

Move choke to OFF position.

runs roughly

2.

Blockage in fuel line.

2.

Clean fuel line.

 

3.

Stale fuel.

3.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

4.

Water in fuel.

4.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

5.

Carburetor is in need of

5.

Contact an authorized service center/department.

 

 

adjustment or overhaul.

 

 

 

 

 

 

 

Excessive

1.

Loose parts or damaged

1.

Tighten all fasteners. Replace damaged parts. If vibration

vibration

 

augers or impeller.

 

remains, contact an authorized service center/department.

 

 

 

 

 

Recoil starter

1.

Frozen recoil starter.

1.

See “IF RECOIL STARTER HAS FROZEN”

is hard to pull

 

 

 

in the Operation section of this manual.

 

 

 

 

 

Loss of traction

1.

Drive belt is worn.

1.

Check / replace drive belt.

drive / slowing

2.

Drive belt is off of pulley.

2.

Check / reinstall drive belt.

of drive speed

3.

Friction drive wheel is worn.

3.

Contact an authorized service center/department.

 

 

 

 

 

Loss of snow

1.

Auger belt is off of pulley.

1.

Check / reinstall auger belt.

discharge or

2.

Auger belt is worn.

2.

Check / replace auger belt.

slowing of

3.

Clogged discharge chute.

3.

Clean snow chute.

snow discharge

4.

Augers / impeller jammed.

4.

Remove debris or foreign object from augers / impeller.

 

 

 

 

 

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Contents MC12527ES Safe Operation Practices for Walk-Behind Snow Throwers Table of Contents Remove Snow Thrower from Carton Assembly / PRE-OPERATIONHOW to SET UP Your Snow Thrower Parts Packed Separately in CartonInstall Traction Drive Control ROD See Figs Install Speed Control ROD See FigsUnfold Upper Handle Install Discharge Chute / Chute Rotater Head See Fig Install Auger Control ROD See FigsCheck Tire Pressure Ignition KEY OperationKnow Your Snow Thrower PrimerElectric start button used for starting the engine Meets A.N.S.I. Safety RequirementsTo USE Choke Control See Fig HOW to USE Your Snow ThrowerStopping To USE Fuel SHUT-OFF Valve See FigTo Throw Snow See Fig Using the CLEAN-OUT Tool See FigTo Move Forward and Backward See Fig Check Engine OIL Level See Fig To Adjust Skid Plates See FigBefore Starting the Engine Scraper BAR See FigIf Recoil Starter has Frozen Snow Throwing TipsTo Start Engine Before StoppingLubrication MaintenanceGeneral Recommendations Before Each USEEngine CleaningShear Bolts See Fig Service and AdjustmentsTo Adjust Snow Thrower Height Chute DeflectorTo Replace Belts See Fig Engine Speed To Adjust Cable Tension See FigTo Remove Wheels See Fig CarburetorEngine OIL StorageOther Fuel SystemTroubleshooting Exploded KEY Part Description Auger 27 LH Scraper BARAuger 27 RH Carriage Bolt 5/16− POP Rivet 532 18 45-11 Deflector WeldmentStrap Knob BlackRotator Pivot Bracket 532 42 82-72 LEVER/CABLE Rotator AssemblyCable Assembly Adjustable Cable Assembly Heat Shield532 44 36-17 Pivot Support Weldment Repair Parts Snow Thrower - Model Number MC12527ES HandlesHandle Knob SpacerRetainer Knob RED532 18 77-16 Shifter ROD Bottom Impeller RODTraction ROD Shifter ROD TOP532 41 62-88 Interlock Spring BulbRepair Parts Snow Thrower - Model Number MC12527ES Drive END Plate Speed Selector AssemblyRetainer 532 40 26-89 Drive Plate Assembly Wheel HUBSprocket AssemblyAxle Shaft Roll PIN 3/16KEY Part Description 532 42 92-69 Engine Mounting Plate 532 42 86-85 Cover Assembly532 43 62-63 Complete LCT Engine FrameIdler Pulley 532 42 59-34 Pulley ENG Impeller Impeller BeltTraction Belt Idler ARM BracketWheel Assembly LH Repair Parts Snow Thrower - Model Number MC12527ES WheelsKEY Part Description 532 44 30-59 Safety Ignition KEY KIT Power CordWrench DECAL, CON LT WD/DEF 532 18 10-37 DECAL, Danger532 18 10-35 DECAL, DANGER, Deflector DECAL, CON RT SPD/LEV/PWSTService Notes Service Notes Limited Warranty

MC12527ES specifications

The McCulloch MC12527ES is a versatile and powerful chainsaw, designed for homeowners and professionals who require durability and efficiency for a variety of cutting tasks. This model is a perfect companion for pruning, cutting firewood, or even felling small trees.

One of the most notable features of the MC12527ES is its 27cc, 2-stroke engine. This engine delivers ample power for most cutting jobs while remaining lightweight and easy to handle. Its efficient engine design ensures that users can work longer without experiencing excessive fatigue, making it ideal for extended periods of use. Additionally, the chainsaw comes equipped with an easy-start system, which significantly reduces the effort required to start the motor. This feature is particularly useful for users who may struggle with traditional pull-start mechanisms.

The McCulloch MC12527ES also boasts a 12-inch bar and chain, which provides a perfect balance between cutting capacity and maneuverability. The length is suitable for a variety of tasks, allowing users to easily navigate through branches and limbs with precision. The chainsaw also features an automatic oil pump, which ensures that the chain remains well-lubricated during operation, promoting longer chain life and reducing wear and tear.

Safety is a priority in the design of the MC12527ES. The chainsaw includes a chain brake that instantly stops the chain in the event of kickback, protecting the user from potential injuries. This safety feature, along with an ergonomic handle, enhances user control and comfort during operation, making it an excellent choice for both beginners and experienced operators alike.

Another highlight of the McCulloch MC12527ES is its compact design. Weighing just around 10 pounds, this chainsaw is not only lightweight but also easy to transport and store. The saw features a tool-less chain tensioning system, allowing quick and easy adjustments on the go without the need for additional tools, which adds to its user-friendly nature.

Durable construction ensures that the MC12527ES can withstand the rigors of regular use. The high-quality materials used in its design mean that the chainsaw can handle tough cutting tasks without compromising performance. In essence, the McCulloch MC12527ES is a reliable and effective chainsaw that combines innovation, safety, and ease of use, making it a valuable investment for anyone looking to tackle outdoor cutting jobs with confidence.
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