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Old 03-09-2018, 07:21 PM   #161
Bus Nut
 
Join Date: Mar 2017
Location: Greenwood, Indiana
Posts: 445
Year: 1999
Coachwork: New Flyer
Chassis: D45HF "Viking"
Engine: 11.1L Detroit Diesel S60
Rated Cap: 51,600
Sorry I haven't posted in some time. Life and weather has gotten in the way. I lost an uncle and a cousin this past winter. My uncle was mostly expected; my cousin was not. My cousin died of complications from the flu, she was otherwise healthy. They will both be sorely missed.

I'm glad this winter is almost over.

My son and I put a tarp on the bus a few months ago during one of the Indy's warmups. Its kept the water from getting into the areas that have seen the most rust on the frame. I have the second set of bins ready to come down, but I don't have the cribbing needed to keep it from crashing to the floor once the screws holding it to the ceiling are removed. I'm getting a crew of people scheduled to help me, but life is really starting to speed up again (4H, county fair prep, robotics, scouting groups, etc.).

Once the initial rush is over later this month I'll get back to the bus. I can't wait to get the tarp off and drive it again - its a rush I'm starting to enjoy.
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Old 03-09-2018, 07:26 PM   #162
Bus Nut
 
Join Date: Mar 2017
Location: Greenwood, Indiana
Posts: 445
Year: 1999
Coachwork: New Flyer
Chassis: D45HF "Viking"
Engine: 11.1L Detroit Diesel S60
Rated Cap: 51,600
Quote:
Originally Posted by golfersmurf57 View Post
Belts are pretty simple to replace. You need to know that belt slippage also produces heat on the pulley which can be transmitted to the pump. Does the power steering fluid smell burnt? I usually use clear hydraulics oil If I can so if it overheats it will turn dark. Still think you may have a belt tension issue. But don't know if its manual or spring loaded adjustment. My 5.9 has spring tensioners on the idler except for the A/C compressors.

Sent from my LGL64VL using Tapatalk
Thank you, golfersmurf. Your message validated pretty much what I was thinking was going on. I really think that the mechanic was negligent in how they put the new belts on and weren't willing to "come clean". That is what motivated them to "take it up a notch" and suggest removing the hydraulic pump, etc., etc. I'm betting they just wanted to get rid of me since I'm not a fleet owner / "small potatoes". I think I've found another service provider that also has facilities for painting and stuff like that but have yet to engage them to see how they work out. I hope they will be more friendly....
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Old 03-12-2018, 09:24 PM   #163
Bus Nut
 
Join Date: Feb 2018
Location: Pendleton Indiana
Posts: 257
Year: 2010
Coachwork: IC
Engine: MF DT466
Rated Cap: 81
We used to have company trucks takin there and seen the repair for driveshaft and rearend at 3400 for a s10 I was like Wow. I used to live down that way on co. Line road east of 65. Kinda cool to see how many bus's getting built this close by in Indiana.
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Old 04-05-2018, 07:15 PM   #164
Bus Nut
 
Join Date: Mar 2017
Location: Greenwood, Indiana
Posts: 445
Year: 1999
Coachwork: New Flyer
Chassis: D45HF "Viking"
Engine: 11.1L Detroit Diesel S60
Rated Cap: 51,600
Quote:
Originally Posted by Miles O Roads View Post
We used to have company trucks takin there and seen the repair for driveshaft and rearend at 3400 for a s10 I was like Wow. I used to live down that way on co. Line road east of 65. Kinda cool to see how many bus's getting built this close by in Indiana.
My family used to live over there, but we're in Greenwood off of hwy 37 (soon to be I-69) now.
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Old 04-05-2018, 07:34 PM   #165
Bus Nut
 
Join Date: Mar 2017
Location: Greenwood, Indiana
Posts: 445
Year: 1999
Coachwork: New Flyer
Chassis: D45HF "Viking"
Engine: 11.1L Detroit Diesel S60
Rated Cap: 51,600
Looking for some electronics help. The Allen Bradley PLC that runs all of the bus' higher-level functions (like interfacing engine controls with dashboard and locking the service brakes when the main door is open - stuff like that) has some custom boards made by New Flyer with "resettable fuses" (a.k.a. "PTC") on them:

https://en.wikipedia.org/wiki/Resettable_fuse

I'm trying to find the spec's for the resettable fuses but I'm coming up empty on Google searches as well as trying to contact New Flyer (my bus manufacturer).

On the obverse is "QY3M" and "MEXICO".
On the reverse is "X60" and "X250" (the "X"s aren't actually "X", they look like a "u" above an "n" but all still in the same height as the numbers.)

Furthermore, the fuses (along with a 220 ohm resistor and an LED - probably to show when the associated fuse has been tripped) are in the PLC's relay output circuits and not in any of the PLC input circuits. The circuits are both 12V and 24V.

Any help would be appreciated.

And I know pictures would be more helpful than my descriptions, but its such tight quarters where they are that my various cameras (phone, tablet, etc.) can't focus close enough to get a clear shot.

Thanks!
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Old 04-10-2018, 06:36 AM   #166
Bus Nut
 
Join Date: Mar 2017
Location: Greenwood, Indiana
Posts: 445
Year: 1999
Coachwork: New Flyer
Chassis: D45HF "Viking"
Engine: 11.1L Detroit Diesel S60
Rated Cap: 51,600
No suggestions? Hummm....
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Old 04-10-2018, 10:28 AM   #167
Bus Crazy
 
Join Date: Aug 2014
Location: SW New Hampshire
Posts: 1,169
I poked around a little yesterday and came up empty. Today I read the Wiki entry you referenced and got the keyword "polyfuse" out of it; at least got some info there. The "X60" and "X250" is some sort of min/max specification I think. The "U over N" thingie is likely a mfr logo. If you can get a buddy with a Nikon and a macro lens to get in on that a Google image search might turn something up, or try hand-sketching a facsimile.

Or, you can buy an assortment for small money and blindly hack away at it, hoping not to let out too much of the magic smoke.

Sorry I can't be more help; my hardware days are waaay behind me. 74LS02, anyone?
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Old 05-06-2018, 08:08 PM   #168
Bus Nut
 
Join Date: Mar 2017
Location: Greenwood, Indiana
Posts: 445
Year: 1999
Coachwork: New Flyer
Chassis: D45HF "Viking"
Engine: 11.1L Detroit Diesel S60
Rated Cap: 51,600
Quote:
Originally Posted by dan-fox View Post
I poked around a little yesterday and came up empty. Today I read the Wiki entry you referenced and got the keyword "polyfuse" out of it; at least got some info there. The "X60" and "X250" is some sort of min/max specification I think. The "U over N" thingie is likely a mfr logo. If you can get a buddy with a Nikon and a macro lens to get in on that a Google image search might turn something up, or try hand-sketching a facsimile.

Or, you can buy an assortment for small money and blindly hack away at it, hoping not to let out too much of the magic smoke.

Sorry I can't be more help; my hardware days are waaay behind me. 74LS02, anyone?
Found someone who could help me. Its a RayChem PTC with max ratings of 60V and 250mA. I'm very excited now to have the specs so I can start devising a PLC replacement. I worked with PLCs back in the early '90s and that PLC is 18-19 years old now. Those things are pretty bullet-proof, but I'm concerned with ANY computer equipment that old. Plus spare parts are $$$!!!
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Old 05-06-2018, 08:29 PM   #169
Bus Nut
 
Join Date: Mar 2017
Location: Greenwood, Indiana
Posts: 445
Year: 1999
Coachwork: New Flyer
Chassis: D45HF "Viking"
Engine: 11.1L Detroit Diesel S60
Rated Cap: 51,600
Well, I finally got the last of the bins down and out. The inside of the bus is much more open now. I have a big bundle of wires in the back that I got to figure out how to hide, but I am sure that will come in time.

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Old 05-12-2018, 01:28 PM   #170
Bus Nut
 
Join Date: Mar 2017
Location: Greenwood, Indiana
Posts: 445
Year: 1999
Coachwork: New Flyer
Chassis: D45HF "Viking"
Engine: 11.1L Detroit Diesel S60
Rated Cap: 51,600
Cleaned up a bit ...

... before making another mess! Ceiling coming down!
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