Girth Gear and Pinion Aliament

Use feeler gauges, and possibly ink.

Use Prussian blue dye!

1. Turn on computer.

2. Open browser.

3. Go to search engine.

4. type "girth gear alignment" ibto search engine window.

5. Press enter key.

6. Place cursor over a highlighted selection.

7. Press enter key.

8. Read the instructions.

9. Follow the instructions.

GA. Who said that innovation is dead? <wink>

10. Pick up the phone and speak to the equipment manufacturer directly if any instruction is not fully understood.

That's too personal.

<...personal...> Frightening, rather! Imagine the prospect of being able to find out far more, far more quickly, than is available by waiting for those wanting to reply to an internet forum thread?

Unbelievable.

RTFM !! Obviously unbeknownst to you, it's in both the install and maintenance manuals

Dear Mr.pathak,

1. Apply Engineer's Blue on the pinion.

2. Check for the parralaleism of shafts.

3. Keep Back Lash 4% on Module.

4. Keep Root Clearance as (0.225) x Module.

5. Check for the Blue Match on the gear for minimum of 85% of total width of Gear, this also will ensure the Parallelism of Shafts. This 85% and above contact is considered to be VERY GOOD.

DHAYANANDHAN.S

Once we had very irregular (varying) results by blue matching and plastic gauge checks. Analysis found out as follows:

1. The concentricity of pion gear was not good. This was due to loose pinion bore which was managed by tightening the grub screw at pinion key way.
2. The ovality of the girth gear. Checking this is a bit difficult and tricky. Though desirable, don't attempt to check this on the run. Laser gauges/tools are suggested since they are of non-contact in nature.

Because of the size and operating temperature, the warpage of girth gear is quite frequent. Needless to say if they are segmented. Eventually the run out of the desirable pitch circle. This will end up in terrible gear mismatch and wear.