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    C15 cam gear timing question

    Just replaced a crankshaft in an LHX C15 from a Cat 740. Have gone through timing procedure, mounted front housing and this is where I’m at on the cam gear. The book mentions if you set it to #6 TDC compression instead of #1 you will be half a tooth out on the cam gear (stops short in saying...
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    63W 773B hoist cylinder removal

    Removing a hoist cylinder, needs resealing. Upper mount near fell appart. Lower mounts usually fall apart but this one is stuck on good. Book calls for 3 jaw puller and a 2 other bit's that aren't available. So I made a plate up with three holes to essentially grip the cylinder from behind...
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    3406B Pacbrake? through connector

    I'm hoping the (slightly) older generations can help identifying this through connector that runs through the compression brake housing. Cat part number would be ideal. I've searched through SIS, came up empty. Thought it might've been a 6I-1486, but that has a round bullet style connector...
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    12H Transmission hydraulic control valve

    2WR012**, 7000 hrs. Might be a silly question. Have an early 12H with no low range gears and an open circuit on the low range solenoid (H). So far so good, should be an easy fix. Intermittently there are no gears. Feels like the modulation valve is malfunctioning. Suspect a broken spring or...
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    735 Failed Transmission Fill Calibration

    Early 735, AWR008** s/n Customer replaced modulation solenoids and called me to carry out fill calibration. Previous history, had a trans filter come apart and contaminate the system, then about the same time one morning machine lost all drive in all gears. Worth noting since replacing oil...
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    730 Payload System

    730, 3F3 prefix w/ payload fitted from factory. So the problem was an active 6863- 9 Payload Weight #1 : Abnormal Update Rate code. Played looksies and swapsies, identified the #1 payload sensor has failed internally. It shouldn't have, because all literature for this code alludes to there...
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    Deerapillar

    Not exactly old iron (1987) but thought this was interesting enough to share. https://www.purplewave.com/auction/180614/item/DV9710/Caterpillar-CS-433-Rollers_and_Compaction-Single_Drum_Roller_Compactor-Minnesota Seems everything about this Cat CS-433 is John Deere. All parts clearly list in...
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    Striker crusher electrical issues

    Hi all, Have a striker crusher (model 1312R) with a Cat C12 (BDL s/n), crank/no start. Showing injection disabled within ET, also shows "remote shutdown switch - active". The remote shutdown circuit is plumbed into the striker electrics, so the Cat schematic offers no assistance except for...
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    CAT 245B air in pilot system & intermittent no track brake release

    Hey all, this one has me a bit stumped. Customers machine, 6MF0-200 s/n. Just wondering if anyone has had issues bleeding air out of the pilot system. A few hundred hours ago customer had a RH joystick pilot hose replaced and routed incorrectly. I went out, corrected the hose, bled pilot...
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    New guy

    G'day all, Have been reading these forums for a few years now and gained plenty of knowledge here, so thought it's about time to sign up. Am a diesel mechanic with Cat dealership experience as well, so hopefully might be able to offer some help also. Great forum you have! Chris
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