Head forwards and watch out for the fans. Beat up the robots you see and gather all the relics. Continue up to face a larger robot: just attack after he does and you'll be ok. Head to the right platform for a small scene. Once you have control head to the left and punch the wall you see for:
HIDDEN CHEST #52:
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After riding across the platform near the start of this level, go punch the left wall to uncover this hidden room and chest.
Head to the right now. The spaced out platforms will fall when you walk on them so quickly get around the corner and hit the electric bot. Head into the room and destroy some more robots then head down to another pathway. Watch out for falling platforms and go kill the electric bot. Next up is an explosive guard and a big robot (be careful of his slam attacks). Destroy them to open the way forward and carry on for a scene.
Down here head along the platforms and fight the electric bots (remember to stand by them when fighting instead of on the falling platforms) and kill the club bot at the end to open the way forward. This next section can be a little tricky on space, so use a Blast if you aren't comfortable and only go after the sun if you're ok with thin walkways.
Continue on and go down the stairs. Defeat the club robot you find and you will see a scene as you go forward. Head on to a room with a shooting bot and some dozer bots (take out the ranged threat first) then some more narrow walkways with electric bots. Carry on to another shooting bot and take him out. To the left you'll end up in another floating section. Just follow the fans as it is a linear path and hit the button you come to at the end.
Carry on and climb the boxes to continue. At the top quickly head to the ledge to the north and take out the explosive guards, then focus on the bot that is shooting. Clean up after that and continue defeating the dozer and electric bots. At the very top defeat two shooting bots (watch out for their rapid fire) and head through the door to end this part of the chapter.