When fitting a replacement Sleeve and Nut to your Express Dual remember to file the sides of the key, to fit the keyway in the Mainshaft.

Initially undo and finally tighten the grindstone into the sleeve and nut whilst the assembly is on the mainshaft.

DO NOT grip the sleeve and nut in a vice.

Visually inspect any new stone for cracks and/or damage before fitting. DO NOT use a damaged stone.

Ensure that there is not dirt/debris between the sleeve and nut’ flanges and the sides of the grindstone.

Ensure that the bearing goes back onto the same position along the mainshaft’s end.

Check that the side arm is in the centre of the feed column slot - NOT rubbing on the side.

Remember to clean the Mainshaft on the Express Dual at the end of each days grinding.

For good results dress the stone regularly on the Express Dual.

If machines are not being used for several days, lightly oil the mainshaft on the Express Dual, but remember to wipe off before use.

Clean the cutting units before grinding- a good visual inspection means problems can be spotted and fixed before they become an issue.

Always check that the mower that you are about to grind has good bearings. Poor bearing will affect the grinding results and the quality of cut.

Ensure the mower’ reel axis is parallel to the mainshaft. Line up the front roller or multi-fix brackets to the scales or measure equally to the machined front bed of the Express Dual.

NEVER let a grind finish with the reel sparked out (little or no sparks as the stone traverses). The reel will be a true cylinder but the hollow ground blade tip relief that Express Dual applies will be lost. Always back off the handwheels at the end of grinding whilst good firm contact remains between reel and grindstone.