 |
| Figure 1 |
| Nomenclature | Number |
|---|---|
| TYPE | H6L |
| Teledyne / Part Number | SLZ9145 |
| National Stock Number | 6610-00-960-7863 |
| Boeing / 737 / Part Number |
I have had this VSI for about 1 year now and I couldn't sleep so I thought it would be good time to tackle this. This VSI (Figure 1) was built for Boeing on a 737; Type H6L. This unit works on air pressure, so I will have to modify it.
THE DISASSEMBLY: The case is drawn aluminum with a cast bezel. We will dismantle the unit. Please pay close attention the pretty pictures. 
| THE RIGHT WAY | THE WRONG WAY |
|---|---|
 |  |
| UPDATE!! I thought about this and decided to take these two (2) pictures | |
- After you remove the 8 screws surrounding the bezel, there are small reddish washers don't loose them as we need them again. The rear case will come off.
- Now remove the 4 sets of screws around the base. This will allow the bezel to be removed.
- Now remove the the 3 screws holding on the air cambers. You will also have to cut the wire.
- Now remove the the 3 screws holding on the small disk that the wire went through.
- Now turn it over so you are looking at the face.
- The glass cover are two pieces of glass. Remove them with a razor knife.
- Gently remove the pointer.
- Remove the 2 small screws holding on the dial
- Remove the Black retainer.
- Slide out the unit.
- Remove the 2 screws on the top of the frame holding on the fork.
- Loosen the small screw on the coupling
- Remove the nut on the side. and Slide out the Biro Chamber.
- Sit back and smile where done for now!
In Part II I will be running this indicator from a servo.
Keep Tuned in More to Come!
~~Cris 
|
|
| ||||||
|
|
| ||||||
|
|
|
