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Topic Options
#129104 - 05/29/13 09:21 AM Nose wheel fairing R&R
vettdvr Offline
Club Sponsor
Diamond Pilot

Registered: 06/24/10
Posts: 7724
Loc: Slidell La
Ok,, finally after 8 months I have the main gear pants on. Now on to the nose.

This is the procedure from the manual I have questions on..

The cover plate is secured by the lower torque
link attaching bolt. Deflate strut before removing
this bolt.
c. Deflate strut and remove bolt securing cover
d. Remove bolt securing speed fairing and tow-bar
e. Slide speed fairing up and remove nose wheel.
f. Rotate speed fairing 90 degrees and work it
g. Install speed fairing by reversing the preceding
plate to strut. Remove cover plate.
spacers to strut.
Loosen scraper as necessary.
down over the nose wheel fork to remove.
steps. Tighten axle stud until a slight bearing drag
is obvious when the wheel is rotated. Back off the
nut to the nearest castellation and install cotter pins.
h. Service shock strut after installation has been
completed.

Why does the strut have to be deflated?

IF I have the plane jacked nose off the ground I should be able to remove the wheel.

The strut will be full extend as in flight but scissors restricting movement further.

Then the pant would go 90 to the yoke to fit over the yoke and finally rotated to correct inline position. IF the one bolt through the top of the fork is removed I would expect the fork to drop off IF the scissors didnt' remain connected.

The pant can be put on with top bold and tire installed. Then lowered so the nose tire has weight on it but not fully compressing the strut I should be able to install the cover plate to the scissors bolt.

No where do I see a need to remove pressure from the strut IF the scissors remains connected AND the tire strut has weight on it when the scissors bolt is removed.

UNLESS the pant can't be rotated with the scissor connected?

Anyone done this. Should be just basic tire removal and bolt on pant as in tire replacement/repair.

I am open to input here. Thanks vettdvr
_________________________
Vettdvr

Single/Multi/instrument/type/commercial But then I am still learning.

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#129108 - 05/29/13 10:47 AM Re: Nose wheel fairing R&R [Re: vettdvr]
magman Offline
Gold Pilot

Registered: 10/10/12
Posts: 1399
Loc: buffalo NY
What is the problem with deflating the Strut?

Very quick & easy.

If Torque Links are disconnected with pressure in the Strut you

WILL have a 5606 bath.

On some ( not ALL ) p/n struts ; when you pull the lower bolt

for the cover plate you have disaassembled the Metering Pin &

other Strut internals.

There are different ways to accomplish this.

The Service Manual is your guide.

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#129129 - 05/29/13 03:33 PM Re: Nose wheel fairing R&R [Re: magman]
vettdvr Offline
Club Sponsor
Diamond Pilot

Registered: 06/24/10
Posts: 7724
Loc: Slidell La
Originally Posted By: magman
What is the problem with deflating the Strut?

Very quick & easy.

If Torque Links are disconnected with pressure in the Strut you

WILL have a 5606 bath.

On some ( not ALL ) p/n struts ; when you pull the lower bolt

for the cover plate you have disaassembled the Metering Pin &

other Strut internals.

There are different ways to accomplish this.

The Service Manual is your guide.


My question included the SM for the guide.

What may seem simple doesn't appear so simple when you are over 65, temps 90 F on the ramp and working alone. I try to find all the options 1st before the first bolt is removed than before I find the oil on the ground.

I also have a question IF the pressure is kept on the strut to prevent it from blowing out the chrome rod is it still necessary to remove the pressure. I dont' have nitrogen to refill and would have to fly to another service facility to recharge. So a method without having to remove charge would save lots of time and effort.
_________________________
Vettdvr

Single/Multi/instrument/type/commercial But then I am still learning.

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#129160 - 05/29/13 08:55 PM Re: Nose wheel fairing R&R [Re: vettdvr]
magman Offline
Gold Pilot

Registered: 10/10/12
Posts: 1399
Loc: buffalo NY
Wait till you get to my age!

I do agree with your researching.

Keep in mind the fact that whatever you put in your tires (air?)

should work as well in the Strut IF the Strut is extended.

It's only about 35 (?) lbs.

If you keep pressure (gravity) on the Nose Strut so the

Tube will not extend you will not have to remove the gas

pressure.

You can also tap the Lower Torque Link bolt back; move the Cover

Plate back & insert a screwdriver or punch on that side.

You can remove the bolt & the Cover Plate at this time.

Note that not all Cessna Struts are identical.

You CAN rotate the Fairing with the Torque Link conneted & the

tire removed.

All bets are off if the fairing has been repaired with excess resin.

Top
#129170 - 05/30/13 05:47 AM Re: Nose wheel fairing R&R [Re: magman]
vettdvr Offline
Club Sponsor
Diamond Pilot

Registered: 06/24/10
Posts: 7724
Loc: Slidell La
Originally Posted By: magman
Wait till you get to my age!



grin I'll keep trying to get to your age.

You keep getting older and I'll keep trying to catch up. wink Are you going to SERFI we might meet there good wx of course.

Thank you for the information. I'll do it and keep pressue on the strut with a low boy hydraulic jack. This will save me a trip to recharge and another pull the cowl to reach the strut valve.


Edited by vettdvr (05/30/13 05:50 AM)
_________________________
Vettdvr

Single/Multi/instrument/type/commercial But then I am still learning.

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#129203 - 05/30/13 10:15 AM Re: Nose wheel fairing R&R [Re: vettdvr]
EdW Offline
Club Sponsor
Gold Pilot

Registered: 11/21/10
Posts: 1646
Loc: Just east of Graceland
Originally Posted By: vettdvr
Originally Posted By: magman
Wait till you get to my age!



grin I'll keep trying to get to your age.

You keep getting older and I'll keep trying to catch up. wink Are you going to SERFI we might meet there good wx of course.

Thank you for the information. I'll do it and keep pressue on the strut with a low boy hydraulic jack. This will save me a trip to recharge and another pull the cowl to reach the strut valve.
You damn KIDS are all alike!

For safety sake, deflate the strut. Even 35 psi can give you a 5606 bath as well as an unguided missile. Dry air is an option to nitrogen when reinflating, so you shouldn't need to go anywhere else for servicing.
_________________________
OK, I got my drone license...when does the season open, and what's the bag limit?

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#129209 - 05/30/13 11:24 AM Re: Nose wheel fairing R&R [Re: EdW]
vettdvr Offline
Club Sponsor
Diamond Pilot

Registered: 06/24/10
Posts: 7724
Loc: Slidell La
Originally Posted By: EdW
Originally Posted By: vettdvr
Originally Posted By: magman
Wait till you get to my age!



grin I'll keep trying to get to your age.

You keep getting older and I'll keep trying to catch up. wink Are you going to SERFI we might meet there good wx of course.

Thank you for the information. I'll do it and keep pressue on the strut with a low boy hydraulic jack. This will save me a trip to recharge and another pull the cowl to reach the strut valve.
You damn KIDS are all alike!

For safety sake, deflate the strut. Even 35 psi can give you a 5606 bath as well as an unguided missile. Dry air is an option to nitrogen when reinflating, so you shouldn't need to go anywhere else for servicing.


Well da you found out my secret, I'll still a kid playing with toys. But I think I can do it with pressure still in the strut. Now to get those young guys that offered to help.. 74 and 68 smile
_________________________
Vettdvr

Single/Multi/instrument/type/commercial But then I am still learning.

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#129211 - 05/30/13 11:28 AM Re: Nose wheel fairing R&R [Re: vettdvr]
magman Offline
Gold Pilot

Registered: 10/10/12
Posts: 1399
Loc: buffalo NY
How will you do this with the jack?

Top
#129245 - 05/30/13 03:45 PM Re: Nose wheel fairing R&R [Re: magman]
vettdvr Offline
Club Sponsor
Diamond Pilot

Registered: 06/24/10
Posts: 7724
Loc: Slidell La
Originally Posted By: magman
How will you do this with the jack?


Tail tied down nose off the ground. Remove the wheel. Then remove the bolt holding the yoke to the rod assembly to alllow the pant to rotate into position. Rotate the pant into position insert the yoke bolt and .625 diameter pins that secure the pant. Install the wheel. Then jack the wheel up enough to compress the strut. Remove the scissor bolt and install the top pant plate. Reinstall the pin tighten down and safety wire. Remove jack, lower nose by removing tail tie downs to concrete anchors.

By keeping weight on the nose wheel the scissor pin can be removed. Actually the nose wheel could be lowered to the ground and no jack used in this part. Weight of the plane would keep the strut in place as it does normally.

The real issue is can the pant be rotated into positon with the scissor connected and wheel off.


Edited by vettdvr (05/30/13 03:47 PM)
_________________________
Vettdvr

Single/Multi/instrument/type/commercial But then I am still learning.

Top
#129267 - 05/30/13 07:22 PM Re: Nose wheel fairing R&R [Re: vettdvr]
magman Offline
Gold Pilot

Registered: 10/10/12
Posts: 1399
Loc: buffalo NY

The real issue is can the pant be rotated into positon with the scissor connected and wheel off. [/quote]

It should rotate .

Top
#129513 - 06/01/13 03:53 PM Re: Nose wheel fairing R&R [Re: magman]
Birdman Offline
Bronze Pilot

Registered: 07/05/12
Posts: 667
Loc: Woodland, CA, USA
I did mine as you suggested, putting weight in the nose wheel by lowering the plane to the ground and not deflating the strut. This is what my A&P instructed me to do.

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#129555 - 06/02/13 04:11 AM Re: Nose wheel fairing R&R [Re: Birdman]
vettdvr Offline
Club Sponsor
Diamond Pilot

Registered: 06/24/10
Posts: 7724
Loc: Slidell La
Originally Posted By: Birdman
I did mine as you suggested, putting weight in the nose wheel by lowering the plane to the ground and not deflating the strut. This is what my A&P instructed me to do.
Thanks birdman i'll try to get mine on and pics next week.
_________________________
Vettdvr

Single/Multi/instrument/type/commercial But then I am still learning.

Top
#129575 - 06/02/13 10:50 AM Re: Nose wheel fairing R&R [Re: vettdvr]
vettdvr Offline
Club Sponsor
Diamond Pilot

Registered: 06/24/10
Posts: 7724
Loc: Slidell La
Birdman just curious? Did you have any issue getting the scissor bolt out? Had to drift it out or did it just pull out? How long did it take you from start to finish? one hr or longer?
_________________________
Vettdvr

Single/Multi/instrument/type/commercial But then I am still learning.

Top
#129596 - 06/02/13 02:10 PM Re: Nose wheel fairing R&R [Re: vettdvr]
TexasAviator Offline
Bronze Pilot

Registered: 01/03/11
Posts: 631
Loc: Seguin, Tx
I had to drift the scissor bolt partways before it could be pulled on out. I also just lowered the nose and kept weight on it as you are suggesting rather than using the jack.

Top
#129634 - 06/02/13 07:34 PM Re: Nose wheel fairing R&R [Re: TexasAviator]
magman Offline
Gold Pilot

Registered: 10/10/12
Posts: 1399
Loc: buffalo NY
A bent bolt in the Torque Links is usually caused by smeone

towing the aircraft with a tug & exceeding the Steering Limits.

Top
#129636 - 06/02/13 07:40 PM Re: Nose wheel fairing R&R [Re: TexasAviator]
Birdman Offline
Bronze Pilot

Registered: 07/05/12
Posts: 667
Loc: Woodland, CA, USA
Yep, same as TexasAviator. Did not take long, less than an hour I would say. My wheel fairing was already on and I found that there was one narrow spot where the fairing would turn on the fork to come off or on in your case. I could not find that spot at first and started to wonder if I was doing it right. Don't force it, it should turn easily.

Top
#129660 - 06/03/13 03:58 AM Re: Nose wheel fairing R&R [Re: Birdman]
vettdvr Offline
Club Sponsor
Diamond Pilot

Registered: 06/24/10
Posts: 7724
Loc: Slidell La
Thanks for all the input I appreciate all of it. I have learned as an engineer to consider ALL options before pulling wrenches. I'll try to do it this week wx permitting. Grandkids flying in today will have to work to find time to do faring. Thanks again to all!.
_________________________
Vettdvr

Single/Multi/instrument/type/commercial But then I am still learning.

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#130437 - 06/08/13 08:29 AM Re: Nose wheel fairing R&R [Re: vettdvr]
vettdvr Offline
Club Sponsor
Diamond Pilot

Registered: 06/24/10
Posts: 7724
Loc: Slidell La
Update. Did not remove pressure. Jacked nose off ground removed nose wheel. Install wheel pant turning 90 degrees for fork. The slid into position. PITA to get wheel up in the slow AND spread the pant enough for the end spacers, Put a small crack in the bottom of the pant due to not being able to spread OR find a position that gave more room.

Installed wheel bolt, then top yoke bolt and space. Whlle up inserted rear metal support, the lowered plane/nose to full load on ramp. Removed scissor bolt install metal cover install bolt and tighten up.

I did have to remove a few washers on the axle nut to compensate for the thickness of the pant and tension on the nut.

Otherwise total job was 90 minutes which included some filing on the pant where it was repaired to fit the bolt holes. The holes were undersized to be fit properly on the plane.

Otherwise all well minus a few grease hand prints on the cowl I didn't remove yet.


Edited by vettdvr (06/08/13 08:30 AM)
_________________________
Vettdvr

Single/Multi/instrument/type/commercial But then I am still learning.

Top
#130585 - 06/09/13 12:51 PM Re: Nose wheel fairing R&R [Re: vettdvr]
vettdvr Offline
Club Sponsor
Diamond Pilot

Registered: 06/24/10
Posts: 7724
Loc: Slidell La
ok here it is finally Pants and all.

_________________________
Vettdvr

Single/Multi/instrument/type/commercial But then I am still learning.

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