4a) Pests concealed in recess mostly (6)
10a) Troublemaker a soldier has to turn endlessly back (8)
14a) Getting exhausted managers a place to dry out (8,5)
17a) Smack accompanied by slap the settle one's differences (4,3,4,2)
27a) Show on television loose material that's new (6)
Apology for no letters. All help much appreciated