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Fig. 1 Fig. 2 A B
1.   Fig. 1. T urn the wheelbarro w over to access the wheel.   Remove bolts holding the axle and remove the wheel from the axle.  Lay the tyre on a sturd y work surface with the valve pointed skywards. 2.   Fig. 2A. Use a tyre lever or a large flat screwdriver to carefully break the bead between tyre and rim.  Then flip the ridge of the tyre over the rims edge all the way around the rim. 3.   No w the T yre is only partially fitted to the rim,  push the valve head back into the rim (Fig. 2B) and remove the old tube.   (Inspect the old tube,  tyre and inner rim for sharp edges or points tha t may interfere with the new tube).   4.   Lay the new tube over the wheel and ensure the valve is positioned the same way with the valve head pointed outwards.   Insert the tube into the tyre and over the rim aligning the valve stem carefully through the hole in the rim (you may need to remove the valve mechanism from the valve stem if an y air exists in the tube). 5.   Check tha t the tube is not twisted then refit the tyre to the rim by levering it back over the ridge of the Steel Rim.  Be careful not to pinch or dama ge the tube with levers.  Hint:  Some soa py wa ter or a little silicone grease a pplied to the rims edge and tyres edge can help. 6.   F it the wheel back on the axle and wheelbarro w then begin to fill with a air, eg up to 10psi.   Spin the wheel and ta p with a rubber mallet to help allevia te bunching / twists or tensions between the tube,  tyre and rim.   Then fill it up to a maximum of 20psi (1.3 bar ,  137kpa) until the tyre bead expands a gainst the rim.  
TOP  TIP!   
SOCIAL MEDIA Stay Connected with SHERLOCK.
STAY UPDATED ON SHERLOCK Enter your email below for updates on our latest products and sales.
1. Fig. 1. T urn the wheelbarro w over to access the wheel.   Remove bolts holding the axle and remove the wheel from the axle.  Lay the tyre on a sturd y work surface with the valve pointed skywards. 2. Fig. 2A. Use a tyre lever or a large flat screwdriver to carefully break the bead between tyre and rim.  Then flip the ridge of the tyre over the rims edge all the way around the rim. 3. No w the T yre is only partially fitted to the rim,  push the valve head back into the rim (Fig. 2B) and remove the old tube.  (Inspect the old tube,  tyre and inner rim for sharp edges or points tha t may interfere with the new tube).   4. Lay the new tube over the wheel and ensure the valve is positioned the same way with the valve head pointed outwards.  Insert the tube into the tyre and over the rim aligning the valve stem carefully through the hole in the rim (you may need to remove the valve mechanism from the valve stem if an y air exists in the tube). 5. Check tha t the tube is not twisted then refit the tyre to the rim by levering it back over the ridge of the Steel Rim.  Be careful not to pinch or dama ge the tube with levers.  Hint:  Some soa py wa ter or a little silicone grease a pplied to the rims edge and tyres edge can help. 6. F it the wheel back on the axle and wheelbarro w then begin to fill with a air, eg up to 10psi.   Spin the wheel and ta p with a rubber mallet to help allevia te bunching / twists or tensions between the tube,  tyre and rim.   Then fill it up to a maximum of 20psi (1.3 bar ,  137kpa) until the tyre bead expands a gainst the rim.  
Fig. 1 TOP  TIP! Fig. 2 A B   
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