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  #11  
Old 05-08-13
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As posted in another thread, the cam is designed to be turned by the motor, not turn the motor over. I would personally refrain from doing that. One other point that needs to be mentioned is under no circumstance, turn the motor backwards. Thanks for posting Goodsy
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  #12  
Old 05-08-13
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The motor is turned over 360 deg or one full turn of the crankshaft pulley to do the second lot of valves. There is no second mark on the crankshaft pulley as it is in the same place for TDC on 1 and for 4.
I have used a socket on the alternator pulley to turn the motor over, do it slowly to allow the compression to escape. Using the camshaft pulley would be putting excessive strain on the chain tensioner.
It cannot be stressed enough to ensure no dirt gets into the exposed injector couplings while working around them. I used little caps for the injector and pump fittings, they can be obtained from a diesel workshop. Make sure the injector pipes and ends are thoroughly clean before refitting.
Peter
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  #13  
Old 05-08-13
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Um yeah your right Peter. Serious blond moment there.
Never turned it backwards and I applied so little torque to the cam bolt to turn the motor no damage could possibly be done.
Agree the crank bolt is the safest option as no damage can be done no matter what torque is applied by hand.

I do have blond moments but I'm not an idiot.
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Last edited by Goodsy; 05-08-13 at 04:22 PM.
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  #14  
Old 05-08-13
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If you had the glow plugs out then it wouldnt take much to turn over on the cam. I usually leave the glow plugs in and just turn it over slowly.
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  #15  
Old 05-08-13
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Quote:
Originally Posted by Morville View Post
The motor is turned over 360 deg or one full turn of the crankshaft pulley to do the second lot of valves. There is no second mark on the crankshaft pulley as it is in the same place for TDC on 1 and for 4.
I have used a socket on the alternator pulley to turn the motor over, do it slowly to allow the compression to escape. Using the camshaft pulley would be putting excessive strain on the chain tensioner.
It cannot be stressed enough to ensure no dirt gets into the exposed injector couplings while working around them. I used little caps for the injector and pump fittings, they can be obtained from a diesel workshop. Make sure the injector pipes and ends are thoroughly clean before refitting.
Peter
Hi
Just a couple of questions to clarify
Whats the most obvious way to tell if you are on TDC 1 or 4 ?
& what is the normal rotation of the engine ? Clockwise?
Thanks
Paul
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  #16  
Old 05-08-13
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At TDC1 both no 1 cyl. valves will be have some free play and the no 4 valves will be tight.
At TDC4 it will be vice versa ie no1 will be tight and no 4 free. It can be felt by trying to move the cam follower.
The motor turns in a clockwise direction looking from the front.NEVER turn it backwards or the chain tensioner can be damaged.
Peter
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  #17  
Old 06-08-13
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To clear that up. The assembly has nothing to hold it in place in a counter clockwise direction so turning your motor that way will bend "stuff".
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  #18  
Old 06-08-13
Morville Morville is offline
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I'm not sure and I need to check, but I think the camshafts turn in the opposite direction to the motor. Why do I think this way? The chain tensioner will then be on the non driving side of the chain and the tensioner will be able to take up any slack.
What do others think?
Which way did you turn the camshafts, Goodsy?
Peter
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  #19  
Old 06-08-13
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I've been meaning to check my valves for some time. I got my crankcase cover out, read all the threads, but chickened out at the last minute.

Before bailing on the idea I did get to TDC by turning the alternator, I didn't remove the glow plugs and found it quite easy.

I used a socket wrench to turn the alternator CLOCKWISE when facing the engine, I did notice the crank DOES turn the opposite way to the motor.

Hope this was correct?
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  #20  
Old 06-08-13
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To get TDC I jacked the rear wheels off the ground, put it in first gear (Manual) and got somebody to turn the wheel until the markings line up on the flywheel.
My daughter turned the wheel so it cannot be to hard unless she would still be whinging some six months later.
Adjusted the valves turned through 360 and double checked everything before putting things back together, check twice do once.
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