guardian 24755

[yellow11]

1a killerback in work,one tied up on board 7 T?P?A??topmast?
13a after looping the loop,Red Arrows fly from here 4
??H?
22d bottom off bicycle part,i'm running down the hill 4 ?H?E shoe?
12d antipodean machine with multiple teats of ice water malfunctioning 10 ???F?T?R?A anagram of "of ice water"?but can't find anything-starts with a ?
thanks-explanations appreciated

[crypticnut]

12d COWFETERIA - a multi-teat calf feeding machine in use in New Zealand (trust the Kiwis)
1a TOPSAIL (asp back in toil)
22d WHEE(l)
Can't help you with 13a I'm afraid

[kayakamina]

Oche ..Darts