RE: [ap-ug] "Bug" in 600E?


Jan 20, 2003

 


----------------------------

#14767 Jan 20, 2003

A funny thing happened on the way to an evening of observing. My

Astro-Physics 600E GTO mount had been in the garage, carefully tucked in,

resting on a furniture pad, since the onset of winter, awaiting return of my

GTO Keypad Controller. After about a month I had a chance to set it up with

the upgraded controller. To my amazement, the message "MOTOR STALL" was all I

could muster. My belief was that nothing had changed except the v3.20

controller, but Marjorie and later Roland Christen at A-P assured me it was

the mount, not the controller. Roland explained how I should evaluate play or

binding in gears and adjust based on website instructions. No recommended

action worked. I entertained evil thoughts. I called my ATM buddy, Vince

Scheetz, and we decided to remove the nameplate and look inside. To our

amazement, we found hundreds of seed husks...halves and shards. Apparently, I

had put the mounting "to bed" with the small (1") opening for polarscope

viewing unplugged. A mouse, chipmunk or, more likely, a small bird my wife

had seen inside the garage about that time set up housekeeping inside my

600E! Vacuuming out the loose husks was just the beginning...they were

everywhere including jammed in between meshing gear teeth. We had to

dismantle the mount almost completely and clean every tooth of every gear

with...what else?...a tooth brush. Lucky for me, I had a supply of A-P pinion

grease used on the rack and pinion focusing mechanism. Though Roland's

proprietary formulation of pinion grease is somewhat different from Wally's

unique formulation of grease for the mounting drive gears, I was told that

their properties were similar and either would serve my purposes well. Thus,

after carefully applying lubricant, the mount was reassembled exactly as it

had been dismantled and, four hours after we started, with only a fleeting

sucker hole, I was able to ascertain that the mount was functioning

perfectly. Moral of the story: NEVER LEAVE THE CAP OFF OF THE POLARSCOPE

VIEWING PORT WHEN THE 600E IS NOT IN USE. You could end up with a "bug" in

your mount.



Regards, Jim Hoffman

Blue Bell, PA



----------------------------

#14770 Jan 20, 2003

Hey guys, maybe we could volunteer to produce a show for the Animal Planet

TV network! We've already got arachnids, birds, mammals..... Let's see, fish

are not too likely, but anybody got a reptile?

Bert



Bert Katzung

katzung1@...

www.astronomy-images.com

----- Original Message -----

From: "Mike C" mike@...>

To: ap-ug@yahoogroups.com>

Sent: Monday, January 20, 2003 7:10 PM

Subject: Re: [ap-ug] "Bug" in 600E?





>

>

> > Apparently, I

> > had put the mounting "to bed" with the small (1") opening for polarscope

> > viewing unplugged. A mouse, chipmunk or, more likely, a small bird my

wife

> > had seen inside the garage about that time set up housekeeping inside my

> > 600E!

>

> I enjoyed your story, Jim.

> Bert's got spiders in his camera, and you've got birds in your polarscope.

>

> I feel your pain. There are little gray field mice that live everywhere

> in the birch woods around our house. One Summer we left for two weeks,

> and as our house-sitter came and went, a field mouse found his way inside.

>

> He chose his new home... my Polaroid SprintScan 4000.... always plugged

> in, warm, and with a nice front and rear door.

>

> Mike

>

>

>

>

> To UNSUBSCRIBE, or for general information on the ap-ug list

> see groups.yahoo.com/group/ap-ug

>

> Your use of Yahoo! Groups is subject to docs.yahoo.com/info/terms/

>

>

>



----------------------------

#14775 Jan 21, 2003

Hi Jim,

You've told the story so much better that I did. Much more effective

visual imagery. Sorry, I didn't see your post first.



Clear skies,

Marj Christen

Astro-Physics, Inc.

11250 Forest Hills Road

Rockford, IL 61115

Phone: 815-282-1513

Fax: 815-282-9847

www.astro-physics.com

Please include this e-mail with your response.



>-----Original Message-----

>From: skyguy7@... [mailto:skyguy7@...]

>Sent: Monday, January 20, 2003 8:59 PM

>To: ap-ug@yahoogroups.com

>Subject: [ap-ug] "Bug" in 600E?

>

>

>A funny thing happened on the way to an evening of observing. My

>Astro-Physics 600E GTO mount had been in the garage, carefully

>tucked in,

>resting on a furniture pad, since the onset of winter,

>awaiting return of my

>GTO Keypad Controller. After about a month I had a chance to

>set it up with

>the upgraded controller. To my amazement, the message "MOTOR

>STALL" was all I

>could muster. My belief was that nothing had changed except the v3.20

>controller, but Marjorie and later Roland Christen at A-P

>assured me it was

>the mount, not the controller. Roland explained how I should

>evaluate play or

>binding in gears and adjust based on website instructions. No

>recommended

>action worked. I entertained evil thoughts. I called my ATM

>buddy, Vince

>Scheetz, and we decided to remove the nameplate and look

>inside. To our

>amazement, we found hundreds of seed husks...halves and

>shards. Apparently, I

>had put the mounting "to bed" with the small (1") opening for

>polarscope

>viewing unplugged. A mouse, chipmunk or, more likely, a small

>bird my wife

>had seen inside the garage about that time set up housekeeping

>inside my

>600E! Vacuuming out the loose husks was just the beginning...they were

>everywhere including jammed in between meshing gear teeth. We had to

>dismantle the mount almost completely and clean every tooth of

>every gear

>with...what else?...a tooth brush. Lucky for me, I had a

>supply of A-P pinion

>grease used on the rack and pinion focusing mechanism. Though Roland's

>proprietary formulation of pinion grease is somewhat different

>from Wally's

>unique formulation of grease for the mounting drive gears, I

>was told that

>their properties were similar and either would serve my

>purposes well. Thus,

>after carefully applying lubricant, the mount was reassembled

>exactly as it

>had been dismantled and, four hours after we started, with

>only a fleeting

>sucker hole, I was able to ascertain that the mount was functioning

>perfectly. Moral of the story: NEVER LEAVE THE CAP OFF OF THE

>POLARSCOPE

>VIEWING PORT WHEN THE 600E IS NOT IN USE. You could end up

>with a "bug" in

>your mount.

>

>Regards, Jim Hoffman

>Blue Bell, PA

>

>

>To UNSUBSCRIBE, or for general information on the ap-ug list

>see groups.yahoo.com/group/ap-ug

>

>Your use of Yahoo! Groups is subject to

>docs.yahoo.com/info/terms/

>







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