1. Talk to Brother Kojo in the Clock Tower just southwest of Ardougne Zoo and he'll explain that the clock is broken and the four cogs needs to fix it are found in the dungeon under the tower.
   
   
   
   
2. Go into the south room and climb down ladder to access the dungeon. Follow the passage northeast to next room you will see colored blocks on the floor representing the general direction of the cogs.
   
   Note: Players can only carry one cog at a time.
   
   

Black Cog

1. Starting with the Black cog, enter the northeast door and follow the passage until to a door you reach a room containing Giant spiders and the Black Cog surrounded by fire.
   
   
   
   
2. Enter the room and use your Bucket of water on the cog to cool it down (or wear Ice gloves) and pick it up. Make your way back to the ladder where you entered the dungeon and use the cog on the black clock spindle attached to the square pillar.

Red Cog

1. Head back to the room with the colored tiles and enter the southeast door. Follow the passage until you reach a room containing Ogres (level 53) and the Red cog on the ground. Enter the room and grab the cog, then make your way back to the entrance ladder and climb up it to the first floor and place the cog on the red spindle.
   
   
   
   

Blue Cog

1. Head northeast from the Clock Tower to find Brother Cedric near the Zoo and climb down the ladder just north of him.
   
   
   
   
2. Once down the ladder, follow the passage and go through the door at the end to enter the room with the Blue Cog and pick it up.
   
   
   
   
3. Head back to the tower, climb up to the second floor and use the cog on the blue spindle.

White Cog

1. From the colored tile room, enter the northwest door and follow the passage northwest to find some Rat poison. Pick it up and make your way back to the main passage and then northeast to the rat cage.
   
   
2. At the rat cage you will see two levers to open the two doors, pull the levers to get into the cage.
   
   
   
   
3. Inside the cage you will see the food trough. Use the Rat poison on it and the rats will eat from it and die. Then the door to the room with the White Cog will open. Go inside and pick it up.
   
   
   
   
4. Make your way back into the clock tower and climb upstairs to the third floor and use the cog on the white spindle.
   
   
5. Now that all of the cogs have been placed, talk to Brother Kojo to receive your reward.
   
   Congratulations! Quest complete!