I've got a Draper 30357 torque wrench. It says in the instructions that the micrometer should only be turned clockwise. But the wrench needs to be de-torqued when not in use which requires turning it anti-clockwise. I'm confused.

To install the rods in a Fowler IP54 digital depth micrometer, follow these steps:

Roll the 0-1 inch rod all the way up into the base of the tool.
Place the base on a flat surface.
Turn the thimble ratchet clockwise until the measurement rod tip is stopped by the flat surface and the ratchet clicks three times.
The sleeve zero line should line up with the zero on the thimble scale If you need more, consult the manual for the device. Fowler Electronic Depth Micrometer Manual - Nicol Scales

torque wrench Martin, Check the attached links,instruction and guides, Good luck
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torque wrench Google Search

How to Use Torque Wrench

How to use torque wrench

The Tao of Torque Wrenches

Without the make, model, year... and the reliability of your torque wrench... I'd rather discuss the difficulties involved in reverse drilling and EXTRACTING broken bolts..

Why in the world would I be looking at such a question without a spec of detail(s) on the surrounding vehicle??

Try buying detailed specifications on bolts, grades of steal, micrometers... high end torque wrenches, etc.

Better avenue... repost with the vehicle details... we can give it a serious effort.


http://www.bing.com/search?q=torque+specifications+chart&form=PRDLC1&src=IE11TR&pc=EUPP_DCTE

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Things You'll Need

Adjustable wrench

Pitman arm puller

Torque wrench

Show More
Instructions

Park the vehicle on a level surface and make sure the front wheels are pointing straight ahead. Make sure the vehicle is in park (or in gear if you have manual transmission) and set the parking brake.

Disconnect the pitman arm from the steering box from underneath the front of the vehicle by turning the holding bolt in a counterclockwise direction with an adjustable wrench. Place a pitman arm puller (available at auto parts stores) over the pitman arm and tighten the nut on the puller in a clockwise direction with an adjustable wrench until the pitman arm loosens from the steering box shaft. Remove the pitman arm and the puller.

Open the hood and loosen the lock nut on top of the steering box from the engine compartment with an adjustable wrench in a counterclockwise direction.

Place a torque wrench on the steering shaft and turn the wrench one complete turn. Make sure the torque reading is approximately 2 inch pounds. Tighten the adjusting nut on top of the steering box (it comes out of the center of the lock nut) in a clockwise direction with an adjustable wrench one half turn if the torque wrench reading is too low. Loosen the nut in a counterclockwise direction if the reading is too high.

Rotate the steering shaft with the torque wrench again. Make adjustments to the steering box adjusting nut as described in Step 4, if needed, until the correct reading is obtained on the torque wrench.

Make sure the steering wheel is in the straight ahead position and reattach the pitman arm to the bottom of the steering shaft on the steering box. Tighten the holding nut in a clockwise direction with an adjustable wrench until the pitman arm seats into place.

Tighten the lock nut on top of the steering box with an adjustable wrench in a clockwise direction. Close the hood

TURN CRANKSHAFT BOLT COUNTERCLOCKWISE TO LOOSEN. YOU HAVE RIGHT HAND THREADS.ENGINE TURNING CLOCKWISE.YOU NEED A STRAP WRENCH HOLD CRANKSHAFT PULLEY WHILE LOOSEN IT.BUT YOU NEED A CRANKSHAFT DAMPER REMOVAL TOOL.OR HARMONIC BALANCER REMOVAL TOOL.YOU NEED STRAP WRENCH TO HOLD CRANKSHAFT PULLEY WHEN TIGHTEN IT.TORQUE CRANKSHAFT PULLEY BOLT 90 - 98 FT LBS. MAKE JOB EASIER.HAVE A HELPER HOLD STRAP WRENCH WHEN YOU LOOSEN OR TIGHTEN CRANKSHAFT PULLEY.

Hi! i hope this will help you.
tighten in 2 steps:
1st - 22ft.lbs
2nd - 58ft. lbs
then loosen all bolts completely.
Final torque is in 2 steps:
1st- 22ft. lbs.
2nd - 54-61ft. lbs
( if angle torquing in 2nd step, turn all bolts 80 to 85 degrees clockwise with an angle torque wrench. ) i hope this will help you.

use the offset, it is scribed that way so you can better read the number --- you should be able to google up a torque wrench site to verify this

You will need the following....
Dial indicator
Gear marking compound and a clean brush
Calipers or a micrometer
Bearing pullers
Bearing press
Three foot long breaker bar or strong impact gun
Pinion nut socket
Ring gear bolt socket
Carrier cap bolt socket
Six point cross pin bolt wrench
Brake line wrench
Pry bars for removing the carrier case
24 oz ball pein hammer
48 oz sledge hammer
48 oz plastic dead blow hammer
Assorted brass punches
Punch for marking carrier caps
Oil drain pan
Foot pounds torque wrench
Inch pounds torque wrench
That should get it apart and back togather.
If you still want to do it...go to premium and i'll walk you through it...

heinrichkemp: The engine in your car is a GA16i
I venture you are asking about the head bolts when you refer to torque settings. The head bolts used on this motor are torque to yield (streach bolts) If you are reusing them, you need to check them to insure they are not stretched beyond limits.
The way you measure the bolt is with a micrometer.
Measuring close to the end where the bolt starts to thread in, about 10-12 threads up, take a reading. Now, go to the other end of the bolt where the threads end and measure about 10 threads in.
There should not be more than a .009 inch difference (.228mm). If there is, discard the bold and get a new one.

You must use a sequence to tighten the bolts, below is the sequence.
11
13 9 3 1 6 8

14 7 5 2 4 10
12 15

torque 11,12,13,14 & 15 to 8.3 Nm (6.1 ft lbs)
Torque the main head bolts by the numbered sequence to
29Nm (22 ft lbs) first pull
64Nm (47 ft lbs) second pull
Loosten all the bolts completely
Tighten the to 29Nm (22 ft lbs) first pull
Tighten bolt # 1 clockwise 85 degrees
Tighten bolts #2- 10 65 degrees
Nissan noted that if you do not have a torque angel meter, you can use a regular torque wrench and torque all the bolts to 69Nm (51 ft lbs)
The valves on this engine have hydraulic lifters, consequently require no adjustment.

frajogag: First off, be aware that these bolts are "torque to yield" bolts (streach bolts). What this means is that instead of torqueing the head bolts to a specific torque specification, they are torqued down to a set spec and then tightened by rotating the bolts a certain angle, like 90 degrees. and all of them are turned the same amount.
This means that the shanks of the bolts must be checked to make sure they are not too thin (or the bolt has already stretched beyond limits and is prone to snap if used)
Here is how you check the bolts. Measure the bolt using a micrometer, at the base, or within the first 13mm from the end where it threads in. Then go to about 10mm before the threads end heading toward the top of the bolt. There should not be more than a 0.23mm (.0091 inch) or less difference or the bolt should be discarded.
Torque the bolts down to 98.1Nm ( 72.ft lb)
Looking at the head from the side, so you are looking at the full length from side to side, I will number the head bolts in this fashion.
#1 & 2 are directly in front of you and in the center of the cylinder head crossing it width wise.
#3&4 are to the left of #1&2, / #5&6 are to the right of #1&2
#7&8 are to the left of #3&4 / #9$10 are to the right of #5&6
Now, you have the sequence.
After the initial pull, back off all the bolts in the same sequence and then retorque them to 36 Nm ( 28 ft lb)
Using a torque angle wrench or having the ability to accurately judge turning angles. Rotate (clockwise) to a 75 degree angle. do this to all the bolts using the sequence I had provided.
Rotate the bolts (clockwise) 75 degrees again on all bolts in the same sequence. The proceedure is complete!