I couldn't find a video anywhere for removal of the deck where a catcher is fitted.
Remove upper cowling belt protection both sides. Note lhs near rear wheel has 2 bolts, not 3 - look carefully. 5/8"
Remove catcher, remove sliding metal clearing plate, then remove long tube down to deck (2 small r-clips + dowels)
Put some wood left to right under deck, then drop the deck
Pull J pins near rear wheels (on deck) - note for replacement, use the top hole (bottom hole marked 42" deck)
lhs remove 2 front bolts holding bottom deck cowl in place and pull it free a bit.
rhs a bit awkward, but 2 bolts holding bottom deck cowl. They are on the deck. Pull free, else can't do the next step
roll backwards until the front U is clear of bracket
Jack up the front on the bumper about 100mm. Check U is well clear.
Remove large deck spring rhs near rear wheel
Remove belt off clutch
Raise deck lever
Either slide the deck out, or using a trolley jack you can roll the front sideways. Sliding is quite easy and safest.
Checked all pulleys on deck and drive. Large idler is shot. Small is ok.
Drive pulleys are all but shot. Looks like you can't just change the bearings as the pulleys are welded together.
lhs rear V pulley on dedicated bracket 6203RS NHI-3. Boss on one side 16mm, od 20.5, id 9.7. pulley id 31.5, od 77.8mm. 756-0236, a snip at €39.60
idler, flat sides, on moving drive engage plate 99502H. boss on one side 13.4, od 19, id 9.7, pulley id 69, od 81. pretty sure it's 756-04224 but od doesnt match. There are 3 of them. A bargain at €21.30
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