Return-Path: Received: from imf21aec.mail.bellsouth.net ([205.152.59.69] verified) by logan.com (CommuniGate Pro SMTP 4.3c2) with ESMTP id 761251 for flyrotary@lancaironline.net; Sun, 27 Feb 2005 00:14:57 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.69; envelope-from=sqpilot@bellsouth.net Received: from [209.214.45.15] by imf21aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050227051410.YEGG2296.imf21aec.mail.bellsouth.net@[209.214.45.15]> for ; Sun, 27 Feb 2005 00:14:10 -0500 Received: from 127.0.0.1 (AVG SMTP 7.0.300 [266.5.0]); Sat, 26 Feb 2005 23:13:59 -0600 Message-ID: <014501c51c8b$2405a9f0$0e2dd6d1@paul52u7f5qyav> From: "Paul" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Belt failure Rate Date: Sat, 26 Feb 2005 23:13:57 -0600 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=======AVGMAIL-422157175594=======" --=======AVGMAIL-422157175594======= Content-Type: multipart/alternative; boundary="----=_NextPart_000_0142_01C51C58.D949CF40" ------=_NextPart_000_0142_01C51C58.D949CF40 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Hi, Jim. We tried WD-40 and grease. (Just kidding). Belt dressing works = for the forklifts, but didn't seem to help for the big Cummins diesel = engine belts. Paul Conner ----- Original Message -----=20 From: Jim Sower=20 To: Rotary motors in aircraft=20 Sent: Saturday, February 26, 2005 11:10 PM Subject: [FlyRotary] Re: Belt failure Rate Paul, Have you tried squirting a bit of Belt Dressing on them while they're = squealing? Opening the hood and Squirting some on them before you = start? Anything like that? =20 Quite often that will overcome the moisture ... Jim S. Paul wrote: Yes, and also caused by improper tension, especially the alternator = belt. When all the clearance and marker lights are turned on (both = tractor and trailer), it puts a heavy load on the alternator, and if the = belt is not tensioned properly, causes it to slip. It is very humid = here in Mobile, AL. In the mornings when we first start the trucks, = many of the alternator belts will squeal until the batteries are brought = up to full charge, and the belts dry off (overnight moisture). Then the = squealing stops. Then they are fine, but while they are slipping due to = moisture and heavy alternator drain, they are also wearing. If you = tighten them so much that they do not squeal when wet and batteries are = not fully charged, you put too much side tension on the pulley. Can't = win. Just replace the belts more often. Paul Conner ----- Original Message -----=20 From: Kelly Troyer=20 To: Rotary motors in aircraft=20 Sent: Saturday, February 26, 2005 1:55 PM Subject: [FlyRotary] Belt failure Rate Paul and all, My girlfriend's brothers have over the road trucks and do = their own maintenance. They=20 tell me that most of their belt problems are caused by poor pulley = alignment (Even on new Trucks from the factory)........FWIW -- Kelly Troyer=20 Dyke Delta/13B/RD1C/EC2=20 > Paul wrote:=20 >=20 > > Hi, Todd....I have had to replace the serpentine belt on my = Ford motor=20 > > home. (Broke on the highway on the way to a canard fly-in of = course).=20 > > All of our tractor-trailer units have serpentine belts. Fairly = high=20 > > failure rate. I always keep at least 12 different serpentine = belts (2=20 > > of each size) in my repair truck so that I can fix them on the = > > roadside. We use Gates and/or Goodyear. In fairness, however, = a few=20 > > of the older units have a V belt for the alternator. They fail = as=20 > > well. Don't know which type of belt fails more frequently, but = they=20 > > both fail with regularity. Now if we changed them at every = annual=20 > > condition inspection, however..... Paul Conner=20 -------------------------------------------------------------------------= - No virus found in this incoming message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 266.5.0 - Release Date: = 2/25/2005 -------------------------------------------------------------------------= --- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 266.5.0 - Release Date: 2/25/2005 = -------------------------------------------------------------------------= --- Homepage: http://www.flyrotary.com/ Archive: http://lancaironline.net/lists/flyrotary/List.html =20 >> Homepage: http://www.flyrotary.com/ >> Archive: = http://lancaironline.net/lists/flyrotary/List.html-----------------------= -------------------------------------------------------No virus found in = this incoming message. Checked by AVG Anti-Virus. 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Hi, Jim. We tried WD-40 and grease. = (Just=20 kidding).  Belt dressing works for the forklifts, but didn't seem = to help=20 for the big Cummins diesel engine belts.  Paul Conner
----- Original Message -----
From:=20 Jim=20 Sower
Sent: Saturday, February 26, = 2005 11:10=20 PM
Subject: [FlyRotary] Re: Belt = failure=20 Rate

Paul,
Have you tried squirting = a bit of=20 Belt Dressing on them while they're squealing?  Opening the hood = and=20 Squirting some on them before you start?  Anything like = that? =20

Quite often that will overcome the moisture ... Jim = S.
Paul=20 wrote:
Yes, and also caused by improper = tension,=20 especially the alternator belt. When all the clearance and marker = lights are=20 turned on (both tractor and trailer), it puts a heavy load on the=20 alternator, and if the belt is not tensioned properly, causes it to=20 slip.  It is very humid here in Mobile, AL.  In the = mornings when=20 we first start the trucks, many of the alternator belts will squeal = until=20 the batteries are brought up to full charge, and the belts dry off=20 (overnight moisture). Then the squealing stops.  Then they = are=20 fine, but while they are slipping due to moisture and heavy = alternator=20 drain, they are also wearing.  If you tighten them so much that = they do=20 not squeal when wet and batteries are not fully charged, you put too = much=20 side tension on the pulley.  Can't win.  Just replace the = belts=20 more often.  Paul Conner
----- = Original Message=20 -----=20
From:=20 Kelly = Troyer=20 To:=20 Rotary motors in = aircraft=20 Sent:=20 Saturday, February 26, 2005 1:55 PM Subject:=20 [FlyRotary] Belt failure Rate

Paul and all,
       My girlfriend's brothers = have=20 over the road trucks and do their own maintenance. They
tell me that most of their belt problems are caused by poor = pulley=20 alignment (Even on new
Trucks from the factory)........FWIW
--
Kelly Troyer
Dyke = Delta/13B/RD1C/EC2=20
> Paul wrote:
>
> > Hi, = Todd....I=20 have had to replace the serpentine belt on my Ford motor
> = >=20 home. (Broke on the highway on the way to a canard fly-in of = course).=20
> > All of our tractor-trailer units have serpentine = belts.=20 Fairly high
> > failure rate. I always keep at least 12=20 different serpentine belts (2
> > of each size) in my = repair=20 truck so that I can fix them on the
> > roadside. We use = Gates=20 and/or Goodyear. In fairness, however, a few
> > of the = older=20 units have a V belt for the alternator. They fail as
> > = well.=20 Don't know which type of belt fails more frequently, but they =
>=20 > both fail with regularity. Now if we changed them at every = annual=20
> > condition inspection, however..... Paul Conner=20

No virus found in this incoming message.
Checked by AVG=20 Anti-Virus.
Version: 7.0.300 / Virus Database: 266.5.0 - = Release Date:=20 2/25/2005

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