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How to replace the timing belt on a ryobi 4 cycle x430 craftsman weedwacker gas trimmer?

When i turn the engine over the timing belt come off how do i fix this problem? how do i adjust the timing when i replace the belt what i have to do to replace the belt do i have to bring the piston to the top?

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It should have a guide rail that tensions the Belt via an external bolt....1/16in. belt deflection on opposite side of guide rail.....To time, Place piston at top of stroke(top dead center)......Take the valve cover off to observe Cam Position......Both Intake and Exhaust valves should be closed (heel of the Cam Lobe)....There should be noticeable shake in both rocker arms....With timing belt installed in this position and properly tensioned....You are in time..........

Posted on Apr 10, 2019

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  • Joe Russell Apr 11, 2019

    the piston is at top dead center do i have to turn the cam sprocket to? do it suppose to have a mark on it for a line up?

  • Joe Stanton Apr 11, 2019

    You will have to roll the cam to achieve both valves are closed, A slight rattle of the rocker arms....Any factory timing marks will be evident....When rolling the cam, do not force it....You do not want an open valve to contact the piston....Position the Cam first with the Piston at the Bottom of stroke...Then bring the Piston back to TDC, indicated By Crankshaft Flywheel Key facing Up....Then install and tension Belt....Roll Flywheel in the direction it Runs by hand to check for any interference...It should build compression while turning it through by hand.....

  • Joe Russell Apr 11, 2019

    can you tell me why the belt keep jumping off?

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Posted on Jan 02, 2017

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SOURCE: steps to run Ryobi RY34420 30cc 4-Cycle Gas Lawn Grass Weed Trimmer

This is the Cars and trucks section. You need an Expert for small engines to view this. Relist in a better catagory.

Posted on Aug 29, 2012

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02 Kia sportage intake and exhaust timing reversed and the engine was turned over but not cranked. Will this damage the engine? en


edited from article by Larry Carley, ImportCar, September 2001

Import interference engines include the following:

* Virtually all Acura and Honda 4-cylinder and V6 passenger car engines;
* 1994 and newer Audi 2.8L V6;
* 1998 & up Audi 1.8L;
* All BMW 2.5L and 2.7L 6-cylinder;
* All Hyundai 4-cylinder and V6 engines;
* Infiniti 3.0L V6;
* Isuzu 1.5L, 2.0L, 2.3L & 2.6L engines;
* Kia 2.0L in the Sportage,
* Mazda 2.0L in the MX-6 and 626, and the 3.0L V6 in the 929 and MPV;
* Most Mitsubishi engines, except the 1.8L, SOHC 2.0L 4-cylinder & SOHC 3.0L V6;
* All Nissan 4-cylinder and V6 engines;
* All Porsche engines;
* 1989-'94 Suzuki 1.3L DOHC;
* Toyota 1.5L Tercel engine;
* 1990-'92 Volkswagen 1.6L diesel; and
* Volvo 2.3L and 2.4L engines.
Unfortunately, the owners of many of these vehicles are totally unaware that their timing belt needs to be periodically replaced for preventive maintenance. The belt is out-of-sight and out-of-mind and, unless they read their owner's manual (which few ever do) and see the replacement recommendation in black-and-white, they usually ignore the belt until it's too late.

Another List

Interference engines .....
Virtually all Acura and Honda 4-cylinder and V6 passenger car engines;
Kia 2.0L "Sportage"
Mazda 2.0L in the MX-6 and 626, and the 3.0L V6 in the 929 and MPV;
Mitsubishi engines, except the 1.8L, SOHC (My Galant!) 2.0L 4-cylinder & SOHC 3.0L V6;
All Nissan 4-cylinder and V6 engines
All Porsche engines
1989-'94 Suzuki 1.3L DOHC
Toyota 1.5L Tercel
1990-'92 Volkswagen 1.6L diesel
Volvo 2.3L and 2.4L engines.
1994 and newer Audi 2.8L V6
1998 & newer Audi 1.8L
BMW 2.5L and 2.7L 6-cylinder
Hyundai 4-cylinder and V6 engines
Infiniti 3.0L V6
Isuzu 1.5L, 2.0L, 2.3L & 2.6L engines;



Try here.

Vehicle:2000 - 2002 Kia Sportage
Brand:Dayco Timing Belt
Fits Engine - Chassis:
2.0L, 4 Cylinder, GAS, FI, VIN "3", 3FE, Interference Engine - Base, Water Pump Driven by Timing Belt
2.0L, 4 Cylinder, GAS, FI, VIN "3", 3FE, Interference Engine - EX, Water Pump Driven by Timing Belt
Part #:DY95281
Description:DAYCO TIMING BELT -- Timing Belt (Camshaft), Self-Lubricating Fabric Provides Exceptional Resistance To Abrasion, Resulting In Extended Pulley And Belt Life, The Molded COG Design Runs Quieter And Is More Economical Than Chain Drives, Our Premium, High Modulus Glass Fiber Non-Stretch Cord Delivers Precise Length Stability To Keep The Engine Running Smoothly Over The Life Of The Belt, The Belt?s Compounding And Tooth Configurations Are Designed For Specific Applications Ranging From Normal Service To High Performance And High Temperature Engines

Google this."Kia 2.0 DOHC interference engine?"

Jul 23, 2018 | Kia Cars & Trucks

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Craftsman LHER propane weed trimmer.


You found 'it' and it should point UP.

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On my Ryobi BC 30 I have done a compression test and the pressure will not hold.


When testing engine compression it builds up when the engine is turning over and when you stop turning it over the compression tester has a valve in it to hold the pressure reading I think your tester is defective and not holding the pressure reading

Feb 05, 2016 | Cars & Trucks

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Brand new weedwacker model#316-711370 first time started right up ran for awhile then just stopped,wont start at all now


#34 craftsman weed wacker manual

45.55.157.141/craftsman-weed-wacker-manual.html
100+ items - pdf download about #34 craftsman weed wacker manual ... Books Title
File Code
Craftsman Weedwacker Manual from Sears com
Free Craftsman Trimmer User Manuals ManualsOnline com

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1 Answer

Steps to run Ryobi RY34420 30cc 4-Cycle Gas Lawn Grass Weed Trimmer


This is the Cars and trucks section. You need an Expert for small engines to view this. Relist in a better catagory.

Aug 29, 2012 | Cars & Trucks

1 Answer

I have a craftsman weedwacker, I don't know how to


Most weedwackers are 2 cycle (stroke) engines, meaning the gas and oil are mixed together before you pour it into the gas tank. If it's a 4 cycle engine it appears there is no dip stick or convenience way to check the oil, you can only replace it. Here's a youtube video that may help.

http://www.youtube.com/watch?v=eiu6zd460oc

Jun 18, 2012 | Cars & Trucks

1 Answer

Remove water pump


Disconnect battery earth lead. Do not turn crankshaft or camshaft whn timing beld removed. Remove spark plugs to ease turning engine. Turn engine in normal direction of rotation (unless otherwise stated) Do not turn engine via camshaft or other sprockets. Observe all tightening torques. Remove engine, remve RH engine mounting. Remove auxiliary drive belts, water pump pulley, crankshaft pulley, timing belt upper cover, timing belt lower cover. Turn crankshaft clockwise to TDC on No. 1 cylinder, slacken tensioner bolts 5 & 6. Move tensioner away from belt and lightly tighten bolts. Remove timing belt. Remove water pump and replace with new one. Suggest to replace cambelt as well.
Installation
Ensure timing marks aligned3 & 4. Fit timing belt in anti-clockwise direction, standing at crankshaft sprocket. Ensure belt is taut between sprockets on non-tensioned side. Slacken tensioner bolt 5. slacken tensioner bolt 6. Allow tensioner to operate. Tighten tensioner bolt 6. Tighten tensioner bolt 5. Turn crankshaft on turn clockwise. Ensure crankshaft sprocket timing marks aligned 4.
Slacken tensioner bolt 5. Slacken tensioner bolt 6. Allow tensioner to operate. Tighten tensioner 6. Tighten torque: 20 - 26 Nm. Tighten tensioner bolt 5. tighten torque: 20 - 26 Nm. Apply thumb pressure to belt at middle. Approximately 5kg. Belt should deflect to 1/4 of tensioner bolt head width 7. Belt tention can also be set using burroghs (BT-33-73F) tension gauge 10 at middle. Turn crankshaft 90 ° anti clockwise. Check belt tension is 9.5 16,5kg (engine must be cold). Install components in reverse order of removal. Fit cranckshaft pully. Tighten crankshaft pully bolts 8. G4-J: Tightening torque: 12-15Nm.
G4-N/G4-k: Tightening torque: 10-12Nm
G4EA: Tighten crankshaft pully bolt 9. Tighten torque: 140-150Nm.

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Hard to start / engine rotates but wont start


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