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cplusplus
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Post subject: [CLD-2070][CLD-3070][CLD-91][CLD-92] Loading Disassembly Posted: 03 Jun 2022, 03:20 |
Hardcore fan |
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Joined: 13 Aug 2018, 03:18 Posts: 1520 Has thanked: 449 times Been thanked: 588 times
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Here is how I disassemble the loading assembly for cleaning and re-greasing on this chassis. Remove the four screws holding the front panel and the four screws holding the board assemblies: Attachment:
Top_Screws.jpg [ 154.86 KiB | Viewed 1898 times ]
Remove three screws on the rear: Attachment:
Back_Screws.jpg [ 52.93 KiB | Viewed 1898 times ]
Pull the front panel down: Attachment:
Front_Panel.jpg [ 110.78 KiB | Viewed 1898 times ]
The panel can be moved to the side without disconnecting anything: Attachment:
Front_Panel_Side.jpg [ 105.7 KiB | Viewed 1898 times ]
Lift each board assembly up. The white holders can be turned to hold them open: Attachment:
Board_Holders.jpg [ 149.61 KiB | Viewed 1898 times ]
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cplusplus
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Post subject: Re: [CLD-2070][CLD-3070][CLD-91][CLD-92] Loading Disassembly Posted: 03 Jun 2022, 03:38 |
Hardcore fan |
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Joined: 13 Aug 2018, 03:18 Posts: 1520 Has thanked: 449 times Been thanked: 588 times
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Carefully remove the clamper springs. They are easily damaged. Attachment:
Clamper_Spring.jpg [ 98.56 KiB | Viewed 1897 times ]
Gently push the catch in the back right slighter towards the power supply and pull the slider towards the front so the clamper can be pulled up and out. Attachment:
Slider_Rest.jpg [ 225.73 KiB | Viewed 1897 times ]
Below is the position where the clamper can be pulled up: Attachment:
Slider_Clamper.jpg [ 125.3 KiB | Viewed 1897 times ]
Unscrew the grounding screw and remove wiring from harnesses: Attachment:
Loading_Wiring.jpg [ 90.26 KiB | Viewed 1897 times ]
Remove the two zip ties, unbend the holder and unplug the two connectors that lead to the loading assembly. Attachment:
Wiring_Ties.jpg [ 95.22 KiB | Viewed 1897 times ]
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cplusplus
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Post subject: Re: [CLD-2070][CLD-3070][CLD-91][CLD-92] Loading Disassembly Posted: 03 Jun 2022, 03:54 |
Hardcore fan |
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Joined: 13 Aug 2018, 03:18 Posts: 1520 Has thanked: 449 times Been thanked: 588 times
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Push the right slider all the way forward and lift the loading assembly out of the player. Turn it over and you will see three gears with locking rings around them. Very carefully remove these locking rings and set them somewhere safe. I will not be disassembling the large cam gear on the right in this guide, but it is sometimes required. Attachment:
Loading_Gears.jpg [ 109.92 KiB | Viewed 1897 times ]
Pull the gears up (don't worry about any timing). Clean the posts and inside of the gears. Regrease everything you are able to clean that has old grease on it with new grease. I use EM-30L. Attachment:
Gear_Posts.jpg [ 37.14 KiB | Viewed 1897 times ]
Here is the goop that can hide under these gears that must be removed: Attachment:
Old_Grease.jpg [ 27.69 KiB | Viewed 1897 times ]
If you see any white grease on the loading motor gear (under the black plastic sheet), remove it all and do not replace it. If you have a new belt, replace it. If not, ensure the old one does not have any grease on it. Attachment:
Bad_Grease.jpg [ 102.83 KiB | Viewed 1897 times ]
While everything is out of the player, clean off any other bad grease around the left and right sliders and replace it. I take this time to easily clean the spindle grip with a cotton swab and water and clean the part of the spindle that meets the clamper and apply a dot of grease to it. Attachment:
Chassis.jpg [ 221.4 KiB | Viewed 1897 times ]
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cplusplus
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Post subject: Re: [CLD-2070][CLD-3070][CLD-91][CLD-92] Loading Disassembly Posted: 03 Jun 2022, 04:04 |
Hardcore fan |
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Joined: 13 Aug 2018, 03:18 Posts: 1520 Has thanked: 449 times Been thanked: 588 times
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Insert the loading assembly back in the player. Ensure this plastic piece goes back onto this screw: Attachment:
Carrier.jpg [ 35.47 KiB | Viewed 1894 times ]
Next, move the right slider one position back, but not all the way where the catch will engage. Insert the clamper, and move the slider back so the catch engages. Reattach the springs. Remove the gear that is on the top of the loading assembly (again being careful with the locking ring), clean and regrease and put it back. Your timing should look like below: Attachment:
Loading_Timing.jpg [ 155.92 KiB | Viewed 1894 times ]
Manually load and unload the player fully in each direction and ensure it all has been reassembled correctly before reattaching wiring to harnesses, etc. [To Be Continued]
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ldfan
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Post subject: Re: [CLD-2070][CLD-3070][CLD-91][CLD-92] Loading Disassembly Posted: 05 Jun 2022, 20:40 |
Hardcore fan |
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Joined: 28 Jun 2014, 05:59 Posts: 1459 Location: San Francisco, CA USA Has thanked: 425 times Been thanked: 533 times
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Thanks for this tutorial cplusplus. Been awhile since I worked on someone else's 3070 and I was already forgetting how I worked on it. This will be very useful when I get around to tackling the 3070 I acquired a few months back .
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mg42
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Post subject: Re: [CLD-2070][CLD-3070][CLD-91][CLD-92] Loading Disassembly Posted: 03 Nov 2023, 03:00 |
Second post |
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Joined: 01 Nov 2023, 08:43 Posts: 2 Location: United States Has thanked: 0 time Been thanked: 0 time
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cplusplus wrote: Push the right slider all the way forward and lift the loading assembly out of the player. Turn it over and you will see three gears with locking rings around them. Very carefully remove these locking rings and set them somewhere safe. I will not be disassembling the large cam gear on the right in this guide, but it is sometimes required. Attachment: Loading_Gears.jpg Pull the gears up (don't worry about any timing). Clean the posts and inside of the gears. Regrease everything you are able to clean that has old grease on it with new grease. I use EM-30L. Attachment: Gear_Posts.jpg Here is the goop that can hide under these gears that must be removed: Attachment: Old_Grease.jpg If you see any white grease on the loading motor gear (under the black plastic sheet), remove it all and do not replace it. If you have a new belt, replace it. If not, ensure the old one does not have any grease on it. Attachment: Bad_Grease.jpg While everything is out of the player, clean off any other bad grease around the left and right sliders and replace it. I take this time to easily clean the spindle grip with a cotton swab and water and clean the part of the spindle that meets the clamper and apply a dot of grease to it. Attachment: Chassis.jpg I took the cam apart, I need help
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