Idle adjustment

IH CUB Lo-Boy Series - 154, 184, 185 Forum -- Questions and answers to all of your Lo-Boy related issues.

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Zeiglerfab
Posts: 2
Joined: Thu Mar 12, 2020 11:16 am
Zip Code: 16053

Idle adjustment

Postby Zeiglerfab » Thu Mar 12, 2020 11:28 am

Just picked up my first low boy cub parts are on way from Hamilton Bob's rear main seal and clutch... tractor runs good starts easy just believe it idles to high any adjustments anywere ?? I picked up service and parts manual so it's on it's way also.. also believe it have a pennington mower model 626b but not 100% sure trying to get access into manual page to get more information on my mower deck

outdoors4evr
10+ Years
10+ Years
Posts: 2246
Joined: Tue Jul 22, 2008 12:44 pm
Zip Code: 48370
Tractors Owned: 184
Location: Oxford, MI

Re: Idle adjustment

Postby outdoors4evr » Thu Mar 12, 2020 1:14 pm

Two adjustments exist.
1) There is an idle stop on the carburetor. (back side of the carb behind the intake)

2) Adjust the governor to carburetor rod length. This process is described in a How-To and in the manual.
viewtopic.php?f=139&t=100217

The governor may never pull the rod far enough to hit the stop. Check by having the tractor at a low idle and pull the governor throttle rod forward (toward the front of the tractor). If the idle speed drops, then it wasn't sitting against the stop.
I'd probably guess that wear contributes greatly to this.
184 w/ Creeper & 3-Point
IH 3160a Mower
IH Model 15 Tiller
IH-54 Blade

staninlowerAL
5+ Years
5+ Years
Posts: 3971
Joined: Fri Oct 29, 2010 11:34 pm
Zip Code: 36558
Tractors Owned: Cubs: (3)'49's, (1 is parts), (1)'57 IH Cub LoBoy w/FH, (2)154 Number Series Loboys, (1 is parts), '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '53 MM BG (offset), (2) '49 Avery V's, '51 JD M (regular), '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76? Yanmar 2TR15 1500, '78? FORD Dexta, '86 FORD LGT14D & 48" Mower, (4) Sears Surburban's, MTD's, Jeeps & other misc. "treasures"
Circle of Safety: Y
Location: AL (Southwest)

Re: Idle adjustment

Postby staninlowerAL » Thu Mar 12, 2020 1:22 pm

There is some Pennington manuals at the Quick Links connection to the manuals ( top left corner of this page). Now that you have 2 posts you can access all the manuals listed there. Send me a PM if you can't find it. I have the info on my laptop. Stan


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