Shindaiwa X7502862900 manual Cutter blade adjustment

Page 14

Maintenance (continued)

Cutter blade adjustment

WARNING!

The cutter blades are very sharp! Always wear gloves when working around the cutter assembly.

Cutting performance of your machine depends a great deal on proper cutter blade adjustment. Properly adjusted blades will oscillate freely yet help pre- vent binding of cut material between blades. Adjust blades as follows:

1.Loosen all blade locknuts at least one full turn.

2.Tighten each blade shoulder bolt firmly, and then loosen the shoulder bolts 1/4 to 1/2 turn.

CAUTION!

Operating the trimmer with worn or improperly adjusted cutters will reduce cutter performance and may also damage your machine. Never operate the machine with damaged or worn cutters.

3.Working from the gearcase end, lock each bolt in place by firmly tightening its locknut while prevent- ing the shoulder bolt from turning.

When shoulder bolt adjustment is cor- rect, there should be a gap of 0.25–

0.50mm between the cutter blades and the flat washers, and the flat washer beneath each bolt head should turn freely.

 

 

Locknut

Guide Bar

 

 

Cutter

 

Washer

Shoulder Bolt

(should turn

Blades

freely)

 

 

Adjusting cutter blades

 

135 - hour maintenance

WARNING!

Never operate the unit with

a damage or missing muffler or spark

arrester! Operating with a missing

or damaged spark arrester is a fire

hazard and could also damage your hearing.

If the engine becomes sluggish and low on power, check and clean the spark arrester screen.

1.

Loosen the knob of the spark plug

 

cover and remove the cover.

2.

Remove the spark plug lead from

 

the spark plug.

3.

Loosen the four 5 mm bolts located

 

at the top of the recoil starter hous-

 

ing and remove the cover.

4.

Loosen the 5 mm bolt located at the

 

top of the cylinder cover and two

 

4 mm bolts located at the bottom

 

of the cylinder cover and remove

 

cover.

 

Muffler plate screws

Top tail plate

 

Spark arrester screen

 

 

 

Muffler cover

 

Lower tail plate

screws

 

Plate

 

 

 

Muffler

 

 

cover bolts

Gaskets

 

 

 

Muffler

 

Gasket plate

gasket

Muffler

 

 

Muffler gasket bolt

Muffler

 

 

 

 

cover

5.

Loosen three 5 mm muffler cover

 

bolts and remove the muffler cover.

6.

Remove muffler gasket bolt.

7.

Loosen two 4 mm screws from the

 

muffler cover.

8.

Remove two 4 mm screws from the

 

top tail plate and remove tail plate.

9.Remove the spark arrester screen and clean with a stiff bristle brush.

10.Remove the muffler from the engine and inspect the cylinder exhaust port for carbon buildup.

11.Reassemble the muffler in the reverse order of disassembly

IMPORTANT!

If you note excessive carbon buildup, consult your servicing dealer.

14

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Contents DH231 Hedge Trimmer Introduction ContentsSafety and operation labels Work Safely SafetyOperating Precautions Stay AlertCutter Blades Blade Cover Operating the Hedge Trimmer Specifications Product DescriptionExamples of 501 mixing quanti- ties Emission Control Exhaust & EvaporativeMixing Fuel After use Filling the Fuel TankMixing Instructions Minimize the Risk of FireStarting the Engine Starting the EngineBefore starting the engine Operation MaintenanceStopping the engine Fasteners MufflerSpark Plug Every 20 and 100 hours Gearcase lubrication Hour maintenance More frequently in dusty conditions10 15 hour maintenance Remove and clean the spark plug Every 20 hoursRemove and replace fuel filter element Hour maintenanceThrottle free play adjustment Cutter blade adjustment Long Term Storage Idle Speed AdjustmentClean external parts thoroughly To do soTroubleshooting Guide Engine is knocking Poor acceleration Engine stops abruptlyExceptions 99922201031 02/05/2010 99922201033 Page Page Servicing Information Parts/Serial Number

X7502862900 specifications

The Shindaiwa X7502862900 is a powerful and innovative professional-grade backpack blower, designed to meet the demanding needs of landscaping and maintenance professionals. With its robust engineering and advanced features, this model stands out in the competitive arena of outdoor power equipment.

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