Schumacher Cat SX3 - Shiny version again
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Schumacher Cat SX3 - Shiny version again
Good evening everyone,
Here is the topic dedicated to the restoration of my Cat SX3.
This one was acquired during an exchange with a member of another forum about 1 year ago. For lack of time and especially lack of desire, I had not looked into it.
It will therefore be subject to a reshaping in my own way, with complete deanodization of the aluminum parts and new screws in A2 stainless steel.
When dismantling, I came across a multitude of bad surprises...
So here is his story that started last Sunday
Here it is when it arrives:
Here it is today before its disassembly:
A multitude of shocks and scratches on many aluminum parts (I'm not talking about non-compliant screws here and there):
I'm going to have to clean, sand and untwist, then do some threading again...
A stripped thread and the broken carbon plate:
A jammed screw:
Rear carbon plate broken... he had to pick up this poor chassis:
Broken rear diff flange:
Broken front belt pulley:
File stroke to try to unscrew with a flat screwdriver:
It came, but the other 3 are blocked too, the solution 10 minutes on the wood stove and thermal shock in the freezer... and it comes, phew!!!
During the dismantling of the fixings of rear triangles, the screws are twisted... he really picked up this poor chassis...
Easy solution when you don't have the right wedges... done with those that milk :censorship:
In short, the list of things to do will be long and it will cost me an arm:
- untwist the front bulks
- deanodize all the aluminum parts
- sand and remove as many marked or damaged aluminum parts as possible
- a new frame
- all carbon parts to be changed
- diff flanges
- driving pins for the rims (half was simple piano wire)
- new belts
- new arms
- new diff crowns
- new belt pulleys
- new diff balls
The "luck" is that the rims and tires are new and that there is a blank body...
To be continued...
Jerome
Here is the topic dedicated to the restoration of my Cat SX3.
This one was acquired during an exchange with a member of another forum about 1 year ago. For lack of time and especially lack of desire, I had not looked into it.
It will therefore be subject to a reshaping in my own way, with complete deanodization of the aluminum parts and new screws in A2 stainless steel.
When dismantling, I came across a multitude of bad surprises...
So here is his story that started last Sunday
Here it is when it arrives:
Here it is today before its disassembly:
A multitude of shocks and scratches on many aluminum parts (I'm not talking about non-compliant screws here and there):
I'm going to have to clean, sand and untwist, then do some threading again...
A stripped thread and the broken carbon plate:
A jammed screw:
Rear carbon plate broken... he had to pick up this poor chassis:
Broken rear diff flange:
Broken front belt pulley:
File stroke to try to unscrew with a flat screwdriver:
It came, but the other 3 are blocked too, the solution 10 minutes on the wood stove and thermal shock in the freezer... and it comes, phew!!!
During the dismantling of the fixings of rear triangles, the screws are twisted... he really picked up this poor chassis...
Easy solution when you don't have the right wedges... done with those that milk :censorship:
In short, the list of things to do will be long and it will cost me an arm:
- untwist the front bulks
- deanodize all the aluminum parts
- sand and remove as many marked or damaged aluminum parts as possible
- a new frame
- all carbon parts to be changed
- diff flanges
- driving pins for the rims (half was simple piano wire)
- new belts
- new arms
- new diff crowns
- new belt pulleys
- new diff balls
The "luck" is that the rims and tires are new and that there is a blank body...
To be continued...
Jerome
Sorry for my rusty english, i'm a kind of French farmer lost in his montain ...
-
- Approved Member
- Posts: 300
- Joined: Sat Aug 08, 2015 12:02 pm
- Location: Near Limoges - France
- Has thanked: 275 times
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Re: Schumacher Cat SX3 - Shiny version again
Hi,
Thank you, it will be just a good cleaning with some new parts
Jérome
Sorry for my rusty english, i'm a kind of French farmer lost in his montain ...
-
- Approved Member
- Posts: 300
- Joined: Sat Aug 08, 2015 12:02 pm
- Location: Near Limoges - France
- Has thanked: 275 times
- Been thanked: 160 times
Re: Schumacher Cat SX3 - Shiny version again
More work on this trashy model ...
I started to look into certain parts and it's not easy (it's also what you want when buying models to renovate;)
like removing the bearings from their housings and starting to clean certain parts.
I don't have many photos, but some bearings have rusted in their location and strange thing for those who go in pairs (hub) one in two and rusted and not the other...
Others are rusty and "blocked" on their axles, such as the steering gear axles.
Result of the bath in WD 40 before switching to acetone
And another surprise, the diff nuts were like covered with black paint/marker which came off immediately with the acetone.
removing anodising for the aluminum parts (not yet for the shock absorbers), but just before a little degreasing which was well deserved...
removing anodising again and again shows the difference in quality of the aluminum used by the manufacturers, here we can clearly see certain parts that are almost shiny after rinsing with water.
The removing of anodiasing and the cleaning that preceded allowed me to notice other things rather very unpleasant to see... heavily scratched parts and especially twisted or broken parts.
The eccentrics for example, a part which a priori cannot be broken, but the "schumacher" have a particular shape (the teeth) and in this case, some teeth are broken or twisted. In short, more work
Before
After
To be continued ...
Jerome
I started to look into certain parts and it's not easy (it's also what you want when buying models to renovate;)
like removing the bearings from their housings and starting to clean certain parts.
I don't have many photos, but some bearings have rusted in their location and strange thing for those who go in pairs (hub) one in two and rusted and not the other...
Others are rusty and "blocked" on their axles, such as the steering gear axles.
Result of the bath in WD 40 before switching to acetone
And another surprise, the diff nuts were like covered with black paint/marker which came off immediately with the acetone.
removing anodising for the aluminum parts (not yet for the shock absorbers), but just before a little degreasing which was well deserved...
removing anodising again and again shows the difference in quality of the aluminum used by the manufacturers, here we can clearly see certain parts that are almost shiny after rinsing with water.
The removing of anodiasing and the cleaning that preceded allowed me to notice other things rather very unpleasant to see... heavily scratched parts and especially twisted or broken parts.
The eccentrics for example, a part which a priori cannot be broken, but the "schumacher" have a particular shape (the teeth) and in this case, some teeth are broken or twisted. In short, more work
Before
After
To be continued ...
Jerome
Sorry for my rusty english, i'm a kind of French farmer lost in his montain ...
-
- Approved Member
- Posts: 300
- Joined: Sat Aug 08, 2015 12:02 pm
- Location: Near Limoges - France
- Has thanked: 275 times
- Been thanked: 160 times
Re: Schumacher Cat SX3 - Shiny version again
Good evening to you all,
Before polishing, I got down to catching the right front bulkhead which is well marked and a little bent.
I untwisted it with a sharp hammer blow and I gained 0.9mm out of the 1.6mm that there was.
Then, I undertook to remove aluminum with no utility for my taste, execpt to stiffen a little and ESPECIALLY PISS ME OFF TO POLISH IN THE CORNERS !!!!
Here is the twisted piece before the hammer blows
I don't have a photo after for the moment, because I'll probably try an other little blow ... of hammer
So after deanodizing and "deburring", you will notice that there are "scratches" in unlikely places...
Here's where I'm at with a few other polished pieces:
To be continued ...
Jerome
Before polishing, I got down to catching the right front bulkhead which is well marked and a little bent.
I untwisted it with a sharp hammer blow and I gained 0.9mm out of the 1.6mm that there was.
Then, I undertook to remove aluminum with no utility for my taste, execpt to stiffen a little and ESPECIALLY PISS ME OFF TO POLISH IN THE CORNERS !!!!
Here is the twisted piece before the hammer blows
I don't have a photo after for the moment, because I'll probably try an other little blow ... of hammer
So after deanodizing and "deburring", you will notice that there are "scratches" in unlikely places...
Here's where I'm at with a few other polished pieces:
To be continued ...
Jerome
Sorry for my rusty english, i'm a kind of French farmer lost in his montain ...
-
- Approved Member
- Posts: 300
- Joined: Sat Aug 08, 2015 12:02 pm
- Location: Near Limoges - France
- Has thanked: 275 times
- Been thanked: 160 times
Re: Schumacher Cat SX3 - Shiny version again
The rest of this weekend, I continue to lighten aluminum parts
Left front bulkhead:
"Low" rear bulkhead, the first;
Next to its almost twin sister (there are slight differences between the left side and the right side)
After lighten:
A little polishing
To be continued ....
jerome
Left front bulkhead:
"Low" rear bulkhead, the first;
Next to its almost twin sister (there are slight differences between the left side and the right side)
After lighten:
A little polishing
To be continued ....
jerome
Sorry for my rusty english, i'm a kind of French farmer lost in his montain ...
-
- Approved Member
- Posts: 300
- Joined: Sat Aug 08, 2015 12:02 pm
- Location: Near Limoges - France
- Has thanked: 275 times
- Been thanked: 160 times
Re: Schumacher Cat SX3 - Shiny version again
I all !,
Polishing from last 2 days
to be continued ...
Jerome
Polishing from last 2 days
to be continued ...
Jerome
Sorry for my rusty english, i'm a kind of French farmer lost in his montain ...
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Re: Schumacher Cat SX3 - Shiny version again
I love the shiny idea. I look forward to seeing how it turns out. I should do this with my KF.
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Re: Schumacher Cat SX3 - Shiny version again
Thank you,scoobyrs25 wrote: ↑Sat Mar 05, 2022 5:02 pm I love the shiny idea. I look forward to seeing how it turns out. I should do this with my KF.
You can send me your KF
Hope you will do what you dream .
--------------------------------
Polising of alloy parts : DONE !!!
Rebuilt along this week or next week-end.
To be continued...
Jerome
Sorry for my rusty english, i'm a kind of French farmer lost in his montain ...
-
- Approved Member
- Posts: 300
- Joined: Sat Aug 08, 2015 12:02 pm
- Location: Near Limoges - France
- Has thanked: 275 times
- Been thanked: 160 times
Re: Schumacher Cat SX3 - Shiny version again
Goodnight all,
Before reassembly, I realized that I had forgotten something
a little polishing/stripping was needed :smoke:
Sorry, but I can't do better without actually "attacking" the parts.
To be continued ...
Jerome
Before reassembly, I realized that I had forgotten something
a little polishing/stripping was needed :smoke:
Sorry, but I can't do better without actually "attacking" the parts.
To be continued ...
Jerome
Sorry for my rusty english, i'm a kind of French farmer lost in his montain ...
-
- Approved Member
- Posts: 300
- Joined: Sat Aug 08, 2015 12:02 pm
- Location: Near Limoges - France
- Has thanked: 275 times
- Been thanked: 160 times
Re: Schumacher Cat SX3 - Shiny version again
Rebuilt start as shown in the manual;
(all carbon parts will be new ... one day )
To be continued ...
Jerome
(all carbon parts will be new ... one day )
To be continued ...
Jerome
Sorry for my rusty english, i'm a kind of French farmer lost in his montain ...
-
- Approved Member
- Posts: 72
- Joined: Sat May 30, 2015 6:43 pm
- Has thanked: 7 times
- Been thanked: 11 times
-
- Approved Member
- Posts: 300
- Joined: Sat Aug 08, 2015 12:02 pm
- Location: Near Limoges - France
- Has thanked: 275 times
- Been thanked: 160 times
Re: Schumacher Cat SX3 - Shiny version again
Tonight,
i will work on it late afternoon
Jerome
Sorry for my rusty english, i'm a kind of French farmer lost in his montain ...
-
- Approved Member
- Posts: 300
- Joined: Sat Aug 08, 2015 12:02 pm
- Location: Near Limoges - France
- Has thanked: 275 times
- Been thanked: 160 times
Re: Schumacher Cat SX3 - Shiny version again
Work from this afternoon
To be continued ...
Jerome
To be continued ...
Jerome
Sorry for my rusty english, i'm a kind of French farmer lost in his montain ...
-
- Approved Member
- Posts: 300
- Joined: Sat Aug 08, 2015 12:02 pm
- Location: Near Limoges - France
- Has thanked: 275 times
- Been thanked: 160 times
Re: Schumacher Cat SX3 - Shiny version again
Hi,
More work from this afternoon;
To be continued ...
Jerome
More work from this afternoon;
To be continued ...
Jerome
Sorry for my rusty english, i'm a kind of French farmer lost in his montain ...
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