CTJ5438 NUT.  Special domed nut situated on the Clutch Slave Cylinder for adjusting the tractor clutch. 

Used on Leyland and Marshall tractors with manual adjusting clutch.

See item 11 in the illustration.

For correct clutch adjustment see Page 98 of TBL0298 Leyland tractor handbook.

Fitted to tractors:

• Leyland 245, 262, 272, 462, 472, 282, 482 (Q-Cab and Explorer Cab).
• Leyland 502, 602, 702, 704, 802, 804 (Q-Cab and Explorer Cab).

Note: Marshall tractors went to a self-adjusting clutch from serial number 106A onwards (see item 34 in the illustration).  Older tractors can be converted to this system if required.