Homelite UT10514/14 IN. 33CC, UT10516/16 IN. 33CC Bar and chain combinations, Troubleshooting

Page 33

bar and chain combinations

 

Chain specifications: 3/8 in. pitch, .05 in. chain gauge

 

 

 

 

 

 

Length of Bar

 

Guide Bar Part Number

Chain Part Number

Drive Links

 

 

 

14 in.

 

310625001

901212001

52

 

 

 

16 in.

 

310626001

901212002

56

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Problem

 

Possible Cause

 

 

Solution

 

 

 

 

Engine will not start.

 

No spark.

 

 

Clean or replace spark plug. Reset spark plug gap. Refer to Spark

 

 

 

[Make sure ignition

 

 

 

 

Plug Replacement earlier in this manual.

 

 

 

 

switch is in the RUN

 

Engine is flooded.

 

With the ignition switch OFF, remove spark plug. Move choke

 

 

 

(  l  ) position.]

 

 

 

 

 

 

 

 

 

lever to run position (pushed in completely) and pull starter cord

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15 to 20 times. This will clear excess fuel from engine. Clean and

 

 

 

 

 

 

 

 

reinstall spark plug. Set ignition switch to run (  l  ) position. Push

 

 

 

 

 

 

 

 

and fully release primer bulb 7 times. Pull starter three times with

 

 

 

 

 

 

 

 

choke lever at run. If engine does not start, move choke lever to

 

 

 

 

 

 

 

 

half choke and repeat normal starting procedure. If engine still

 

 

 

 

 

 

 

 

fails to start, repeat procedure with a new spark plug.

 

 

 

 

 

 

 

 

 

 

 

Engine starts but will

 

Carburetor requires “L”

 

Contact an authorized service center for carburetor adjustment.

 

 

 

not accelerate prop-

 

(Low Jet) adjustment.

 

 

 

 

 

 

 

erly.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine starts, then

 

Carburetor requires “L”

 

Contact an authorized service center for carburetor adjustment.

 

 

 

dies.

 

(Low Jet) adjustment.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine starts but will

 

Carburetor requires “H”

 

Contact an authorized service center for carburetor adjustment.

 

 

 

not run properly at

 

(High Jet) adjustment.

 

 

 

 

 

 

 

high speed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine does not reach

 

Oil/fuel mixture incorrect.

 

Use fresh fuel and the correct 2-cycle oil mix ratio.

 

 

 

 

full speed and/or emits

 

Air filter is dirty.

 

Clean air filter. Refer to Cleaning the Air Filter in the Maintenance

 

 

 

excessive smoke.

 

 

 

 

 

 

 

 

 

section of this manual.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Spark arrestor screen is

 

Clean spark arrestor screen. Refer to Inspecting/Cleaning the Spark

 

 

 

 

 

dirty.

 

 

Arrestor Screen in the Maintenance section of this manual.

 

 

 

 

 

Carburetor requires “H”

 

Contact an authorized service center for carburetor adjustment.

 

 

 

 

 

(High Jet) adjustment.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine starts, runs,

 

C a r b u re t o r re q u i re s

 

Turn idle speed screw “T” clockwise to increase idle speed.

 

 

 

and accelerates but

 

adjustment­

to idle speed.

 

Refer to Adjusting the Carburetor in the Maintenance section of

 

 

 

will not idle.

 

 

 

 

this manual.

 

 

 

 

 

Chain turns at idle.

 

C a r b u re t o r re q u i re s

 

Turn idle speed screw “T” counterclockwise to decrease speed.

 

 

 

 

 

adjustment­

to idle speed.

 

Refer to Adjusting the Carburetor in the Maintenance section of

 

 

 

 

 

 

 

 

this manual.

 

 

 

 

 

 

 

Air leak in the intake

 

Contact an authorized service center for a rebuild kit.

 

 

 

 

 

system.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Page 33

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Contents OPERATOR’S Manual Introduction Table of contentsRead ALL Instructions General safety rulesSpecific safety rules Refueling do not SmokeKickback Symbol Name SymbolsService Glossary of terms Product Specifications FeaturesFront hand guard/Chain Brake Handle Cylinder Cover Primer bulb TriggerChoke Lever Know Your Chain SAWLOW Kickback SAW Chain SAFE-T-TIP ANTI-KICKBACK Nose GuardOperation AssemblyUnpacking Packing ListHandling the Fuel Safely Mixing the FuelPremium Exact MIX See Figure Operating the Chain BrakeSee Figures 4 Run Position BrakeSee Figures 6 Starting the EngineStopping the Engine Throttle Lock button Trigger Ignition switchTo Start a Warm Engine See Figures 12Pull and Push Adjusting Idle SpeedKickback Precautions Proper Grip on HandlesSee Figures 16 Basic OPERATING/CUTTING Procedures Work Area PrecautionsProper Cutting Stance Thumb on Underside­of Handle bar Straight Chain line ArmProper Procedure for Tree Felling Hazardous ConditionsSee Figures 21 Removing Buttress Roots BuckingVertical Cut Loose SectioN Horizontal Kickback Bucking with a Wedge Bucking Logs Under StressOverbucking Limbing and Pruning UnderbuckingCutting Springpoles See Figures 31General Maintenance MaintenanceLubrication See Figures 34Cutters chain rotation Chain drive links ADJUSTINGChain tensioning Pin hole Chain tensioning Screw Bar Groove Chain drive linksSee Figures 44 Adjusting the Chain TensionSee Figures 47 Chain Maintenance≈ .050 Raker depth gauge clearance 025 Inspect drive SprocketSee Figures 49 Sharpening the CuttersSide Plate Angle TOP Plate Filing AngleMaintaining Depth Gauge Clearance SeeMounting the SAFE-T-TIP Nose Guard Maintaining the Guide BARMaintaining the SAFE-T-TIP Nose Guard See Figures 59Cleaning the AIR Filter Choose one of the following cleaning optionsSee Figures 61 Cleaning the Starter Unit Adjusting the CarburetorBefore adjusting the carburetor See Figures 64Clean Cylinder­ Fins Clean flywheel Fuel filter Cleaning the EngineChecking the Fuel Filter Replacing the Spark PlugSee Figures 72 Storing the ProductBar and chain combinations TroubleshootingCall US First Limited Warranty Statement WarrantyYour Warranty Rights and Obligations Warranty Serial Number California Proposition