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Recent content by acolar

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    Case 621 Wheel Loader - Wiring Schematics

    Found a manual set on ebay just ordered.
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    Case 621 Wheel Loader - Wiring Schematics

    Anyone have access or know where I can purchase the wiring schematics for an early 1990's Case 621 (Ser# JAK0020131) Trying to diagnose issues with no forward motion - searching for wiring schematics between steering column F-N-R lever and transmission controls. Thanks Tony
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    Case 621B Loader - No Forward Motion

    Hi Simon - thanks for your input. I found some info online but the CLARK manual calls out 28000 series buts its a 1968 manual. So its close but valve body slightly different - the 621 Loader is a 1992-1993 vintage its close but not exact. Still trying to determine how those 28v solenoids are...
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    Case 621B Loader - No Forward Motion

    Steve - thanks for the initial reply, So I assumed it was a ZF in my loader - the last picture in my post was from a YouTube video that was the closest match to what i appeared to have. Went back to the machine and looked closer found a blue tag near front lower part of trans - looks like it a...
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    Case 621B Loader - No Forward Motion

    During the last storm my sons Case 621B (Ser # JAK0020131) approx 1995 vintage stopped moving forward unexpectedly while moving snow at a theater. No previous issues or symptoms with forward gear. Reverse gear works fine. First step was trying to identify which solenoid was the Forward on the...
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    CAT 259D - No Crank E459-2 Code

    Good Day Just wanted to clarify the symptom which was actually a Crank - No Start with a Faulted indication in the Advanced Display and error E459-2. Checked for power to engine ECM and found no voltage on the ECM Power Relay Output contact #87. 20A fuse was good checked for power at ECM Pwr...
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    CAT 259D - No Crank E459-2 Code

    Thanks Nige & Chrisso. Back to the machine with voltmeter and schematics.:)
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    CAT 259D - No Crank E459-2 Code

    Went back to the machine after dinner for more diagnosis. It will crank if the lap bars are down - so its really a Crank - No Start. Same error message displayed E459-2. Found a fuse box under the cab and measured voltages present with the key off. Not sure what the rectangular devices are with...
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    CAT 259D - No Crank E459-2 Code

    Hi Guys Trying to help my son diagnose a 2015 CAT 259D with 2092 hrs, serial FTL03587. Initial symptom was no crank due to low battery, jump started and ran all day. Drove it onto trailer and off trailer into the shop and next start attempt was a no crank with the E459-2 code. Charged battery ...
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