Starting 301 Diesel after rebuild
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Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=188841
Printed Date: 18 Sep 2025 at 11:37am
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Topic: Starting 301 Diesel after rebuild
Posted By: jrbynf
Subject: Starting 301 Diesel after rebuild
Date Posted: 13 Jun 2022 at 8:26am
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If anyone could provide some assistance on protocol for starting fresh 301 diesel rebuild. What engine oil for break in? Protocol with rpms? Bleeding the injector pump? Priming the hydraulic pump? First oil change? Thanks
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Replies:
Posted By: jrbynf
Date Posted: 13 Jun 2022 at 8:35am
| Priming new turbo? |
Posted By: SteveM C/IL
Date Posted: 13 Jun 2022 at 11:17pm
For that one pour/squirt some oil in the hole before you install feed line. It holds a small amount in the bearings...excess will drain out.
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jrbynf wrote:Posted By: DrAllis
Date Posted: 14 Jun 2022 at 7:14am
| Ideally, you would leave the injectors removed. Hand prime the injection pump until the primer shows resistance. Turn on the fuel shut-off knob. Crank the engine without injectors until oil pressure is made and fuel is squirting from the lines, using a battery charger. I would use 10W-30 diesel engine oil. Use the engine as you would normally use it. Working at full throttle is GOOOD ! Low idle time is baaad. If you've got no work to do?? Hook a loaded wagon behind it and go for a 20 mile drive in road gear at full throttle up and down hills which varies the load on the engine. |
Posted By: jrbynf
Date Posted: 15 Jun 2022 at 10:47am
| Thank you so much for the advise Dr |
Posted By: HudCo
Date Posted: 16 Jun 2022 at 11:01pm
| go ask your local dealer if you can pay for an hour on the pto dyno they can keep it loaded or vary the load thats what i do at our local agco dealer when our old m and w broke down |