Cryptic crossword No 4,059

Across

1. Model train set ruined after losing essential parts of mechanisms (6)
2. Street justice an embarrassment to royal court (2,6)
3. Poem Claude penned in Hong Kong University? (5)
4. A space traveller once, I tangled with remote E.T. (9)
5. Great photos by the Spanish digital camera unit (9)
6. Australian working outside - ultimately, this shields him from UV rays (5)
7. Dealing with the practicalities, head-butts and scarpers (4-3-5)
8. Bolshevik losing head, concerned with slow pace of change? (12)
9. First sign of allergy to grain or nut (5)
10. Strut in tailored tan chinos (9)
11. Bird that is seen in a clock, erratically keeping time (9)
12. Intoxicated, Belushi's losing his musical style (5)
13. Primitive manner of speaking adopted by wise man (5-3)
14. Fury as Trump son snubbed by New York society (6)

Down

1. Dynasty overcome by Southern communist plotting (8)
2. Closely follow sex scandal? (8)
3. Outfit which, in France, breaks record (5)
4. Entire globe to suppress base, offensive style of play (5,8)
5. Dylan and/or Geldof making pots of money (1,3,2,3)
6. Journalist painted it orange, in part (6)
7. Get angry - Spooner's spoken again! (3,3)
8. Glibness, perhaps, is a two-edged sword (5,8)
9. What the deuce precedes "leaders" in old saying about Troy? (9)
10. Following vile act, I become disinclined to speak (8)
11. Trendy esoteric knowledge reported to lead to altered state (8)
12. Political group, bunch of clowns accepting gold to depose current king (6)
13. Cape Horn: Royal Navy lost after heading for Pacific, on course at first (6)
14. What’s thrown up by athletic Aberdonian? (5)