How do you release a petcock?
- Step 1: Drain Fuel Tank. With the petcock closed, remove the fuel lines connected to it.
- Step 2: Remove Old Petcock. Use a box wrench to unscrew the “gunk collector” at the bottom of the petcock, then a pair of pliers to remove the inner screen and o-ring.
- Step 3: Install New Petcock.
- Step 4: Replace Tank on Bike.
How do you test a vacuum petcock?
You test the petcock by removing the fuel line, not the petcock itself. A vacuum-operated petcock should not let any fuel through it in the “ON” or “Reserve” positions unless the engine is running. It’s normal for fuel to flow through it when in the “Prime” position.
How do you get a radiator drain plug out?
Place a large drain pan under the radiator drain cock and open the drain cock, letting the coolant drain out of the radiator into the drain pan. Step 7: Remove the drain cock. Once the fluid is out, either unscrew the cap, twist the cap off and pull out the latch, or twist and slide out.
Is the petcock part of the radiator?
The petcock is a small bolt right under the radiator and easy to spot as modern radiators do not have any other holes underneath them that would require bolts.
Can you fix petcock?
It’s pretty simple and all you need is a repair kit. A leaky petcock won’t give you many fits while riding other than drip fuel out of the flood tube and end your day faster.
Can I rebuild a petcock?
Yes, after a rebuild, if you installed a new oring or rubber surface, it will be harder to move at first. A good tip is to lubricate rubber parts in petcocks with a light film of oil if they are screwed in, like some old reserve bowls, to keep them from spinning out of position.
Can you drain just one radiator?
If you are changing a couple of valves on a few radiators, it is probably best to drain the whole heating system down. However, if you are only updating one radiator you can change the radiator valve without fully draining the system and there are actually benefits of doing so.
How long does it take for a radiator to drain?
This simple task should take around 30 minutes. Just follow these step-by-step instructions to remove your radiator for decorating. Close your radiator valves by turning them clockwise until they are tightly shut.