Weak aces against a maniac’s preflop raise

Guy had over bet 2 hands in a row, trying to decide whether or not to push - this is like 5 hands in
Party Poker
No Limit Holdem Tournament
Blinds: t20/t40
10 players
Stack sizes:
UTG: t2835
UTG+1: t3000
UTG+2: t2585
MP1: t2640
MP2: t3980
MP3: t2880
CO: t2940
Hero: t2860
SB: t3010
BB: t3270
Pre-flop: (10 players) Hero is Button with jc ah
UTG calls t40 (pot was t60), […]