Briggs & Stratton 400000 Professional Series Reference manual

Not for Reproduction

All language translations of this document are

derived from the original English source file.

- ENGINE

- EQUIPMENT

-BOTH

SERVICE BULLETIN

TO: BRIGGS & STRATTON AUTHORIZED SERVICE DEALERS

BULLETIN: DSB-1044

DATE: OCTOBER 2015

SUBJECT: RE-START DIFFICULTY AFTER BRIEF OPERATION

MODEL: 400000, 440000, 490000 EQUIPPED WITH READYSTART®

SERIAL NUMBER: 131001xxxxx THROUGH 150923xxxxx

CONDITION:

We have received limited field reports of some subject engines exhibiting difficulty re-starting after short run periods of

approximately 5 minutes. Upon examination, we determined that the gap between the thermostat arm and the choke

rod retainer was out of tolerance. This prevented the choke valve from opening as required for the warm engine

temperature. This condition did not present any starting difficulty on cold or hot engines.

INSPECTION / REPAIR ACTION:

If this condition is encountered, ensure the engine is cold (room temperature) and perform the following procedure:

1. Ensure the governor control (A, Figure 1) is in the idle (clockwise) position.

2. Visually check whether the thermostat arm (B) is touching the choke rod retainer (C). Correct gap is .000-

.050” (.00-1.27 mm).

Figure 1

-ACTION REQUIRED

- IF ENCOUNTERED

- INFORMATION ONLY

.000-.050”

(.00-1.27 mm)

Not for Reproduction

Page 2 of 2

If the gap between the thermostat arm and the retainer is .000-.050” (.00-1.27 mm), the setting is

correct. Actuate the choke lever to ensure freedom of movement with no binding. Correct as

necessary. Go to step 3.

If the gap between the thermostat arm and the retainer exceeds .050” (1.27 mm), adjust the

thermostat arm as follows:

a. Using a tang bender or similar tool, carefully bend the thermostat base (circle, Figure 2) until

the arm just touches the choke rod retainer (arrow).

Figure 2

b. Visually check that the gap between the thermostat arm and the choke rod retainer is

.000-.050” (.00-1.27 mm).

c. Actuate the choke lever to ensure freedom of movement with no binding. Correct as

necessary.

3. Start and run the engine for 5 minutes, then shut down. After 1 minute, attempt to restart engine to verify that

the condition is corrected.

WARRANTY:

Normal warranty guidelines apply. This repair can typically be completed in 15 minutes or less. When filing a warranty

claim, select the following in the equipment section of the claim:

Key Part Category – Fuel Enrichment

Key Part – Thermostat

Condition Code – SP

BRIGGS & STRATTON

Distribution Sales & Customer Support

Not for Reproduction

12

   

.      







SERVICE BULLETIN

:

   BRIGGS & STRATTON

:#

DSB-1044

:

2015

:

      

:400000440000490000 ®READYSTART

: 131001xxxxx150923xxxxx

:

                   5   .

          .                

     ..         

: /  

:   (  )          

1.)      A1.(   )    (

2.)     B)     (C.    .(000-.050”

)

00-1.27.(

1

.        000-.050”

)

00-1.27      .   (    .   .  3.

 

  

 

.000-.050”

)00-1.27(

Not for Reproduction

22

.        050”)1.27:     (

.        )    2     (

.() 

2

..           000-.050”)00-1.27.(

.  .        .

3.    5 .   1.           

:

      .   15    .  :      

Key Part Category – Fuel Enrichment

Key Part – Thermostat

Condition Code – SP

BRIGGS & STRATTON

   

Not for Reproduction

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Преводите на всички езици на настоящия документ са

направени от оригиналния източник на английски език.

ДВИГАТЕЛ

ОБОРУДВАНЕ

ИДВЕТЕ

SERVICE BULLETIN

ДО:

УПЪЛНОМОЩЕНИ СЕРВИЗНИ ПРЕДСТАВИТЕЛИ НА

BRIGGS & STRATTON

БЮЛЕТИН:

DSB-1044

ДАТА:

ОКТОМВРИ 2015

ТЕМА:

ТРУДНО ПОВТОРНО СТАРТИРАНЕ СЛЕД КРАТКА РАБОТА

МОДЕЛ:

400000, 440000, 490000 ОБОРУДВАНИ СREADYSTART®

СЕРИЕН НОМЕР:131001xxxxx ДО 150923xxxxx

СЪСТОЯНИЕ:

Ние получихме ограничени полеви доклади за някои двигатели изпитващи затруднения при повторно

стартиране сред кратки периоди на работа от около 5 минути. След преглед установихме, че хлабината между

рамото на термостата ификсатора на щангата на дросела еизвън допуска. Това възпрепятства отварянето

на дроселната клапа според необходимостта за температурата на затоплен двигател. Това състояние не

причинява затруднение при стартиране на студени или горещи двигатели.

ИНСПЕКЦИЯ / РЕМОНТНО ДЕЙСТВИЕ:

Ако възникне това състояние, уверете се, че двигателят естуден (със стайна температура) иизпълнете

следната процедура:

1. Уверете се, че управляващото устройство (A, фигура 1) евпозиция за празен ход (по часовниковата

стрелка).

2. Визуално проверете дали рамото на термостата (B) докосва фиксатора на щангата на дросела (C).

Правилната хлабина е0,000-0,050” (0,00-1,27 mm).

НЕОБХОДИМО ДЕЙСТВИЕ

АКО СЕ НАЛОЖИ

САМО ЗА ИНФОРМАЦИЯ

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Страница 2 от 3

Фиг. 1

Ако хлабината между рамото на термостата ификсатора е0,000-0,050” (0,00-1,27 mm),

настройката еправилна. Задействайте лоста на дросела за да се уверите, че свободата на

движение не евъзпрепятствана. Коригирайте според необходимостта. Преминете към

стъпка 3.

Ако хлабината между рамото на термостата ификсатора превишава 0,050” (1,27 mm),

регулирайте рамото на термостата, както следва:

a. Като използвате инструмент за огъване или подобен инструмент внимателно огънете

основата на термостата (окръжност, фигура 2), докато рамото почти докосне фиксатора

на щангата на дросела (стрелка).

Фиг. 2

b. Визуално проверете дали хлабината между рамото на термостата ификсатора на

щангата на дросела е0,000-0,050” (0,00-1,27 mm).

c. Задействайте лоста на дросела за да се уверите, че свободата на движение не е

възпрепятствана. Коригирайте според необходимостта.

0,000-0,050”

(0,00-1,27 mm)

Not for Reproduction

Страница 3 от 3

3. Стартирайте двигателя иго оставете да работи за 5 минути, след което го изключете. След 1 минута

се опитайте да стартирате отново двигателя, за да се уверите, че състоянието екоригирано.

ГАРАНЦИЯ:

Прилагат се нормалните гаранционни условия. Този ремонт обикновено може да бъде извършен за 15 минути

или по-малко. При попълване на гаранционна рекламация изберете следното враздела за оборудване на

рекламацията:

Key Part Category – Fuel Enrichment

Key Part – Thermostat

Condition Code – SP

BRIGGS & STRATTON

Разпространение ипродажби и

Обслужване на клиенти

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Stránka 1 z 3

Veškeré jazykové verze tohoto dokumentu jsou odvozeny

z původního anglického zdrojového souboru.

MOTOR

VÝBAVA

OBOJÍ

SERVICE BULLETIN

PŘÍJEMCE:

AUTORIZOVANÍ SERVISNÍ DEALEŘI SPOLEČNOSTI BRIGGS & STRATTON

OZNÁMENÍ:

DSB-1044

DATUM:

ŘÍJEN 2015

PŘEDMĚT:

OBTÍŽNÉ STARTOVÁNÍ PRO KRÁTKÉM PROVOZU

MODELY:

400000, 440000, 490000 VYBAVENO SYSTÉMEM READYSTART®

SÉRIOVÉ ČÍSLO: 131001xxxxx AŽ 150923xxxxx

STAV:

Obdrželi jsme od zákazníkůněkolik hlášení, že některé konkrétní motory vykazují obtíže při opětovném startování po

krátkém přibližně5minutovém chodu. Po prošetření jsme zjistili, že mezera mezi ramenem termostatu a držákem

táhla sytiče byla mimo toleranci. To bránilo škrticí klapce v otevření nezbytnému pro vyšší teplotu motoru. Tento stav

nevyvolával žádné obtíže se startováním u studených nebo zahřátých motorů.

KONTROLA / OPRAVA / KROKY:

Pokud se tento problém vyskytne, přesvědčte se, že je motor studený (pokojová teplota), a proveďte následující

postup:

1. Přesvědčte se, že regulátor otáček (A, obrázek 1) je ve volnoběžné (zleva doprava) poloze.

2. Vizuálnězkontrolujte, zda se rameno termostatu (B) dotýká držáku táhla sytiče (C). Správná mezera je 0,000-

0,050” (0.00-1,27 mm).

POŽADOVANÉ KROKY

V PŘÍPADĚZJIŠTĚNÍ

POUZE PRO INFORMACI

Not for Reproduction

Strana 2 z 3

Obrázek 1

Pokud je mezera mezi ramenem termostatu a držákem 0,000-0,050” (0,00-1,27 mm), nastavení je

správné. Zahýbejte s páčkou sytiče a ujistěte se, že se pohybuje volněbez omezení. Podle potřeby

proveďte seřízení. Pokračujte krokem 3.

Pokud mezera mezi ramenem termostatu a držákem překračuje 0,050” (1,27 mm), seřiďte rameno

termostatu následovně:

a. Pomocí stopkového ohýbače nebo podobného nástroje opatrněohněte základnu termostatu

(kroužek, obrázek 2), dokud se rameno nedotkne držáku táhla sytiče (šipka).

Obrázek 2

b. Vizuálnězkontrolujte, že mezera mezi ramenem termostatu a držákem táhla sytiče je 0,000-

0,050” (0,00-1,27 mm).

c. Zahýbejte s páčkou sytiče a ujistěte se, že se pohybuje volněbez omezení. Podle potřeby

proveďte seřízení.

0,000-0,050”

(0,00-1,27 mm)

Not for Reproduction

Strana 3 z 3

3. Nastartujte a nechte motor běžet po dobu 5 minut, potom jej vypněte. Po 1 minutěse pokuste motor znovu

nastartovat a ověřte, zda byl problém odstraněn.

ZÁRUKA:

Platí zde normální záruční pokyny. Provedení této opravy trvá obvykle 15 minut nebo méně. Při vyplňování

reklamačního formuláře vyberte následující položky v části Vybavení:

Key Part Category – Fuel Enrichment

Key Part – Thermostat

Condition Code – SP

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