Bush-spider Coupli 735-04103
OEM part for: MTD, Troy-Bilt
Part Number: 735-04103
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Frequently Purchased Together ?
Compatibility
This Bush-spider Coupli will fit the following 721 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
This item works with the following types of products:
- Log Splitter Parts
Customer Part Reviews ?
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Questions & Answers ?
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Does this fit my product?Questions & Answers for Bush-spider Coupli
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.
Bad engineering design: self destructing spacer between engine & pump.
Tool Type
Log Splitter
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Socket set, Wrench Set, Grease
2.Contain hydraulic oil.
3. Separate engine from pump.
4. Remove couplings w/ spider spacer. 1/8" Allen wrench required (maybe rust blaster) for set screws.
5. Secure woodruff keys from each coupling half.
6.Steel wool & bearing grease pump & engine shafts.
7.Reinstall new couplings with set screws not tight.
8.Lower engine to pump. Pump has Spider spacer on its coupling. Jiggle to interlock couplings.
9.Reposition engine & pump frame(main frame w/ wheels) to set .02-.09 gauge space. Hard to do.
10.Tighten set screws(70#) w/ Allen wrench. Grease in Woodruff slots can fool you on tightness.
11.Secure engine to main frame. Reconnect hoses. Check hydraulic oil. Start engine.
12. Engine pull start will be "stiff" at first.
13. Exercise splitter 10-12 times.
Recheck oil.
14. Double check set screw tightness after a little splitting.
Broken coupler
Tool Type
Log Splitter
Difficulty
Medium
Time
More than 2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set
coupler between engine and hydraulic pump broke
Tool Type
Log Splitter
Difficulty
Medium
Time
30-60 minutes
Tools Used
Socket set, Wrench Set, allen wrench, gear puller, feeler guage
Special note: remove couplers to check shaft sizes before ordering as at least three different sizes are available. Shaft sizes are stamped on couplers.
Spider bushing wore out
Tool Type
Log Splitter
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set, Allen tool
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Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
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.