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[Datsun 1200 encyclopedia]

Hydraulic clutch

(Difference between revisions)

Datsun 1200 encyclopedia | Recent changes | Switch to MediaWiki mode

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Categories: Clutch | Drivetrain Modifications

Revision as of 02:43, 24 February 2008
Ddgonzal (Talk | contribs)
(->Part Numbers)
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Revision as of 06:24, 24 February 2008
Ddgonzal (Talk | contribs)
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Line 52: Line 52:
-MASTER+Master Cylinder
* 30610-24900 (superceded by 30610-24910). $111 USD * 30610-24900 (superceded by 30610-24910). $111 USD
 +* RHINO PAC M0600 $35.79
-SLAVE+Slave Cylinder
<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=4652 http://datsun1200.com/modules/myalbum/photos/thumbs/4652.jpg] <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=4652 http://datsun1200.com/modules/myalbum/photos/thumbs/4652.jpg]
* Left: Original Style 30620-H1601 (superceded by 30620-H1600) $59 USD * Left: Original Style 30620-H1601 (superceded by 30620-H1600) $59 USD
Line 62: Line 63:
Clutch Slave Cylinder Clutch Slave Cylinder
-* RAYBESTOS SC37495 $12.44, ACDELCO 18F19 $14.56+* RAYBESTOS SC37495 $12.44
 +* ACDELCO 18F19 $14.56
 +* RHINO PAC S0600 $15.92
Compare to B210: Compare to B210:
<blockquote><hr>B210 clutch cylinder 5/8 inch. Fits: <blockquote><hr>B210 clutch cylinder 5/8 inch. Fits:

Revision as of 06:24, 24 February 2008

Left-hand-drive (LHD) versions of the Datsun 1200 used a hydraulic clutch system. It is very nice, with a light, linear action. Stock pedal force is 10.8 kg (23.8 lb), a bit higher than the RHD mechnical clutch at 8.3 kg (18.3 lb). The slave cylinder diameter is 3/4 inch and the master cylinder is 5/8 inch.

537.JPG

  • Extremely light clutch pedal effort, but with good feedback.


Contents

Adjustment

This is for the 71-73 1200. The B210 (120Y) measurements are different.

  1. Adjust slave cylinder free play
  2. Adjust pedal pad height without stopper
  3. Adjust pedal stopper

Clutch Slave Cylinder

Stock clutch slave cylinder diameter is 3/4 inch.

Adjust the free play to 5/32".

539.jpg


Pedal Linkage

Before adjusting the pedal linkage, first adjust the clutch release arm under the car.

538.JPG

The specs are:

  • Pedal height: 5.57 in (141.5 mm)
  • Pedal free play: 1.181 in (30 mm)
  • Pedal stroke is 5.65 in (143.5 mm) with the adjustment stop (the switch in the diagram) backed off. Adjustment is made with shims for the cylinder on the firewall.


CL-06_CL15_th.JPG

Adusting Shim

  • 30611-27260 1.6 mm
  • 30612-27260 0.8 mm
  • 30613-27260 0.5 mm

Removable, Replacement and Bleeding

If the Master Cylinder runs dry, or when replacing it, be sure to bleed the Master Cylinder separately.


Remove the pipe & place a thumb over it for the return stroke of the pedal to prevent ingestion of air. Once the Master Cylinder is free of air you can bleed the whole system with confidence.


Part Numbers

Stock USA cylinders. "Repair Kits" are also available. These include all new rubber parts, and can be used if the aluminum body is not pitted. The bore is hand-honed. Often with aluminum a kit will leak, so we recommend a new unit rather than a kit. Cast-iron cylinders may have better success.


http://www.rockauto.com


Master Cylinder

  • 30610-24900 (superceded by 30610-24910). $111 USD
  • RHINO PAC M0600 $35.79


Slave Cylinder
4652.jpg

  • Left: Original Style 30620-H1601 (superceded by 30620-H1600) $59 USD
  • Right: Replacement Style 30620-H1600

Clutch Slave Cylinder

  • RAYBESTOS SC37495 $12.44
  • ACDELCO 18F19 $14.56
  • RHINO PAC S0600 $15.92

Compare to B210:


B210 clutch cylinder 5/8 inch. Fits:

Beck Arnley part number 072-6489

  • 620 Pickup from 1972-3/76 <li>B210 (all models) from 1974-4/75 <li>SPL-311 (1600 or 2000) from 1966-70 <li>510 from 1968-73 (with Nabco master cylinder) <li>610 from 1973-75 (with Nabco master cylinder) <li>710 from 1973-75 </ul> Beck Arnley part 072-6521
      <li>74-75 B210 <li>76 F10 <li>72-76 <li>620 pickup <li>66-70 SPL-311 1600 <li>68-70 SPL-311 2000 <li>75-78 280Z <li>69-73 510 <li>78-81 510 <li>73-76 610 <li>74-77 710 <li>77-81 810

    </blockquote>


    HYDRAULIC HOSE
    The hose is difficult to find in USA, except on eBay. Alternatives: lot of the brake hoses from cars with a solid rear axel will work also:

    • Beck/Arnley 073-0879 (rear brake hose)
    • BRAKEWARE #77001 $12 at Autozone. It's about 1.5-2 inches longer then the original, does not hang too low and bolts right up

    RHD Hydraulic Conversion

    Hydraulic Clutch Master
    4859.jpg9524.jpg

    • Girling "claypipe" master cylinder, available in 5/8" and 3/4" bores (about $70 AUD). Threads are 3/8 unc for pipe outlet and 7/16 unc for fluid in


    1851.jpg

    • Nissan Urvan remote-fill tops
    • A simple 90-degree bracket is needed to be made up to mount this master cylinder


    Nissan Sentra Clutch Master Cylinder
    9524.jpg

    • Fluid reservoir is connected to the cylinder via a rubber hose.

    Remote Clutch Master Cylinder

    A remote clutch cylinder may also be useful

    • 7656.jpg
    • 4859.jpg


    Photo Index

    Click each pic for large photo and discussion.

    7656.jpg

    • Cable-to-Hydraulic custom remote clutch m/c found on Mitsubishi LA Lancer


    9470.jpg 10824.jpg

    540.jpg 541.jpg1153.jpg 1851.jpg2230.jpg 4859.jpg 7477.jpg 7499.jpg 7510.jpg 7741.jpg 7742.jpg 9387.jpg 9470.jpg 9524.jpg 9526.jpg 9668.jpg