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Derricks 
Bronze Level
Joined: 10 Aug 2024
Location: Wisconsin
Points: 30
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 Topic: Let’s Get Her Started!
Posted: 18 Aug 2024 at 12:43pm |
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Allis Chalmers D17 Series IV
Fluids look perfect.
Put in new fuel.
Put in new spark plugs.
It turns over very well but doesn’t fire.
Next step carburetor?
Edited by Derricks - 18 Aug 2024 at 12:44pm
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SteveM C/IL
Orange Level Access
Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8241
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Posted: 18 Aug 2024 at 1:15pm |
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Check spark. Pull coil wire from cap and hold end 1/4 inch from block while cranking. Should jump a blue flame. If no spark won't matter what you do to carb.
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DaveKamp
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Joined: 12 Apr 2010
Location: LeClaire, Ia
Points: 5754
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Posted: 18 Aug 2024 at 2:30pm |
Fuel+air, intake... compression, ignition, fire... timing.
If you have all these, and it still won't start, it's because you don't have all those...
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Ten Amendments, Ten Commandments, and one Golden Rule solve most every problem. Citrus hand-cleaner with Pumice does the rest.
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WF owner
Orange Level
Joined: 12 May 2013
Location: Bombay NY
Points: 4666
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Posted: 18 Aug 2024 at 5:03pm |
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Are you sure you don't have spark? Sometimes it's hard to see. Try it after dark to see for sure.
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8241
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Posted: 19 Aug 2024 at 9:51pm |
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....he says it doesn't "fire". That doesn't mean it don't have spark. He needs to prove it does first.
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KJCHRIS
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Joined: 21 Dec 2015
Location: WC Iowa
Points: 908
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Posted: 20 Aug 2024 at 2:45am |
Air, Fuel, Compression and Sparks are required to run. 1. CHECK FOR SPARK AT COIL WIRE; pull wire from dist cap center, hold 3/16" - 1/4" from ground (cylinder head is good ground) and run starter. 2. Check for sparks on at least 2 plug wires; hold 1 at a time same distance from ground and run starter. 3. Remove plug in bottom of carburetor; does clean gas run out.? It should, old dirty gas won't run well. Reinstall plug.
If these 3 check out, remove air inlet hose from carburetor inlet, set throttle 1/2 or full and pull choke out, crank engine 15 seconds, does it attempt to fire.? |
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AC 200, CAH, AC185D bareback, AC 180D bareback, D17 III, WF. D17 Blackbar grill, NF. D15 SFW. Case 1175 CAH, Bobcat 543B,
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Gary Burnett
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Joined: 11 Sep 2009
Location: Virginia
Points: 2939
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Posted: 20 Aug 2024 at 6:13am |
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Probably file the points
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snowman(MI)
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Joined: 12 Sep 2009
Location: Sand Lake, MI
Points: 365
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Posted: 20 Aug 2024 at 4:24pm |
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I didn't see anyone mention the condenser as a possible culprit.
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1950 WD, 1966 D-10 III, 1961 D-10 II, 1966 D-15 II Gas, A-C Minibike, 917 Hydro Mower, 917 Hydro Blower w/cab, West Michigan "Allis Express"
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AC7060IL
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Joined: 19 Aug 2012
Location: central IL
Points: 3343
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Posted: 20 Aug 2024 at 8:05pm |
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Any luck getting it to fire?
Assuming you’ve poured/sprayed gas into carb while engine rolls over?
If gas put into carb & still No fire, then could be many things? Mouse chewed wires? Aged brittleness wires? Bad electrical contacts, components~ coil? Points, distributor cap, ignition switch????
Verify that coil has electricity. If no electricity with ignition switched on, then run a hot wire from battery to coil and roll engine over by starter.
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