First thing to check is that the grill is clear of stones, then shine a torch up the nozzle and check the impeller clearance to the wear ring, the tips (trailing edges) may need building up.
First thing to check is that the grill is clear of stones, then shine a torch up the nozzle and check the impeller clearance to the wear ring, the tips (trailing edges) may need building up.
Shut up, get out & start pushing!
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