This is a genuine OEM replacement part, it is sold individually.
This is the spring that recoils the starter rope on the models shown below.
Over time the spring will wear and loose its tension and sometimes break.
We do have an article and video on
Spring And Container 638033001
OEM part for: Ryobi, Homelite, Ridgid, Craftsman
Part Number: 638033001
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Product Description ?
- Classification: Part
- Weight: 0.08 lbs.
- Also Known As: Rewind Spring, Recoil Starter Spring, Starter Spring, Return Spring
- Shipping: Ships Worldwide
Frequently Purchased Together ?
Compatibility
This part will fit the following 711 machines
Ryobi
Homelite
Ridgid
Craftsman
This item works with the following types of products:
- Trimmer Parts
- Hedge Trimmer Parts
- Pruner Parts
- Blower Parts
- Grass Trimmer Parts
- Edger Parts
- Cultivator Parts
- Vacuum Parts
- Pump Parts
This part replaces obsolete part #: 98773A, UP03917, A98773A
Repair Videos ?
Customer Part Reviews ?
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- 2
Questions & Answers ?
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
String wouldn't recoil after pulling it !
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Screwdriver w/star bit
Starter cord handle broke and retracted.
Tool Type
Chain Saw
Difficulty
Hard
Time
More than 2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Nutdriver, Torx head drivers
There are differences between the BC30 that I have and the SS30 in the video, so I would like to take this opportunity to go over the differences with anyone else who has this model.
1. The clutch drum takes a T20 Torx head driver, not a T25 used in the video, but the rest of the fasteners are T25.
2. The starter spring goes face down against the plastic ribs with the metal cover covering it, so the spring is not visible other than its center tab showing through the hole in the cover plate. The part is shown this way in the parts lists, too. Then you can set the 6-7 turn preload in a clockwise (vice a clockwise) fashion, attach your starter cord, and the cord will retract properly (counter clockwise). For this part it's a definitely good to have a helper when tying the cord, I'm just not good at one handed tying like Mark.
3. Mine uses the two clutch plates, too. Put the first one on in a reverse shape like Mark does, and the second in a normal. This way the two clutch plate surfaces with the small dimple will be facing each other. The dimples don't have to exactly face each other, just the surfaces, so even if the dimples are 180 off it's still ok.
4. I use mine as a pole saw and have several other Expand-it attachments, so make sure the clutch drum engages properly with the drive pin inside the pole and doesn't get positioned off center.
5. If your trimmer won't start, try reversing the electrical leads to the cutoff switch, they are not marked. The right way it will start (eventually), the wrong way it will never start.
Also replaced the fuel tank the lines were cracking and sucking air, making priming impossible. The tank comes with the lines pre attached and Mark has a useful video on this, too. Also cleaned the carburetor with carburetor cleaner and cleaned the sponge style air filter. Now it runs and drives the saw again!
Trimmer starter would not recoil
Tool Type
Trimmer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Socket set
Parts Used
Starter rope would not retract
Tool Type
Blower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Power Drill, Socket set, New 5 foot section of starter rope. (hardware store)
spline screwdrivers
13/16 socket
Drill two holes in the fan so you can hold it in place while taking off the shaft nut
Clean all parts before assembly
Follow arrow as to the direction to wind the new rope
Starter recoil spring failed
Tool Type
Pruner
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Wrench Set
Parts Used
2. Followed the steps as shown and ended up with a starter that worked backwards. It spun the motor as it recoiled the rope into the housing.
3. Quickly determined that the spring installation in the video is backwards, the coiled spring should not be visible- the spring casing should face out.
4. Reassembled and pole saw started on the first pull.
starter rope would not rewind
Tool Type
Trimmer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Pliers, torx driver#25 #27
Pull start fails to retract
Tool Type
Trimmer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver
2. Removed spark plug and interred end of plastic tie wrap to bind cylinder while loosening clutch assembly fro front of engine.
3. Removed starter housing and removed spring retainer
4. Cut pull handle from old string and saved for reuse.
5. Removed old spring and starter pulley.
6. Assembled new spring and new starter pulley and wound starter rope.
7. Places new assembly into starter housing ensuring spring notch was positioned in the grove, turned assembly and spring to apply 3 turns of tension on spring, feed starter rope thru hole and applied small vise grip on outside of rope to hold Spring tension.
8. Reinstalled spring retainer, pulled starter rope to fully wind spring to its max and moved the vise grip to a position on the rope closest to the starter housing to hole spring tension while knitting the pull handle in place.
9. Removed the vise grip and ensured the starter rope retracted into the housing correctly.
10. Installed starter housing, clutch assembly, spark plug, engine cover and reassembled the trimmer head to shaft.
Starter assembly melted
Tool Type
Trimmer
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Wrench Set, Nutdriver
Main trick was a clutch removal from the shaft.
I didn't realize that a clutch is threaded to the shaft and broke it during removal.
New clutch from this site actually shows an arrow that indicates a direction of rotation for a clutch to be removed. Original clutch didn't have that.
Broken recoil
Tool Type
Blower
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Power Drill, Socket set
recoil spring broke
Tool Type
Trimmer
Difficulty
Medium
Time
1-2 hours
Tools Used
Adjustable Wrench, nut runner
Replaced worn / broken parts
Rewound new pull cord
re assembled all to housing
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.