Qualcast Suffolk Punch 35s lawnmower running problems

Available on eBay

https://www.google.com/search?q=Suffolk+Punch+14S+drain+valve

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Did you change the fuel as well

hi rebecca.
i have had a look on the internet but can not find out where you would get one,you could try phoning the main dealers or try ebay.

An old question but putting this here for anyone with a similar issue:

Remove the cutting cartridge from the mower. Remove the 24mm bolt holding on the drive cog (this is reverse threaded). Remove the grass shield at the rear of the cartridge (3 screws either side). Remove the top bar with handle (10mm socket recessed in the end of the bar. You should now be able to remove the blade, back off the adjusting screws either side and remove the bearing housings.

Geoff, Check the attached links, manual,instruction and guides, Good luck
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http://www.oldlawnmowerclub.co.uk/sites/default/files/opmanual/Suffolk%20Punch.pdf
Suffolk Punch OWNERS MANUAL
Small engine repair How to drain and change the oil in small petrol engine

carburetor have a setting level for its fuel , check the floating control adjust fuel level , also check spark plug current is there,just by rotating engine and keeping spark plug out of cylinder , just keeping it with engine body.

It should just screw out, there is a thread on the plastic fuel tap, they can be pretty tight.

There is a video on u tube and a wed site the old lawnmowers club .

could have water in fuel bowl or tank,coil could be heating up and stop firing or the plug

Hi howardandjan, You call it "old Qualcast punch" if it's called Qualcast punch it's not that old, it was originally called Suffolk punch (after the horse) and came in 14" and 17" cuts, the 30s (30cm approx 12") was originally called suffolk colt. when Qualcast took over just about all the british cylinder mowers Atco,suffolk,webb etc they started swapping names about but you should be able to get parts from any good mower shop try winchester garden machinery in hampshire always found them helpful