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120M Road Grader: Avoid Battery Drain
By | Dec. 21, 2023
The 120M road grader's battery can drain when the vehicle sits unused, particularly for long periods. There's a simple fix, so keep reading to find out what it is and how to potentially save yourself grief and your unit...

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120M Road Grader: Wrap Hydraulic Hoses
By | June 1, 2023
Use spiral wrap, NSN 9330-00-889-7776, to protect the hydraulic hoses on the road grader’s front hydraulic drive. Keep reading to find out more...

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120M Road Grader: Drain Out the Water
By | Feb. 27, 2023
Drain water out of the fuel system to keep the 120M road grader’s engine running smoothly. Keep reading to learn more...

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120M Road Grader: Check Moldboard Wear Strips for Wear
By | Nov. 4, 2022
There’s no specific check for the moldboard wear strips in the PMCS tables of the grader's TM. That means operators and mechanics need to eyeball the wear strips to make sure they’re not cracked or missing. Read on to learn...

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120M Road Grader: Blade and Inching Pedal Tips
By | March 30, 2022
Operators, remember these two pointers about the grader's edge and the inching pedal before the day’s run at the worksite...

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120M Road Grader: PM Reminders
By | Sept. 14, 2021
Operators, these preventive maintenance (PM) reminders will keep your grader running smooth and mission-ready for the day’s run. Read on to discover what they are and how they'll keep your grader mission-ready...

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120M Road Grader: Be Air-Aware When Flow’s Too Slow!
By | Aug. 12, 2021
This article initially appeared in PS 766 (Sep 16), p. 19. Operators, when it comes to the inside and outside air filter elements for your 120M road grader’s cab, you need to be air aware...

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120M Grader: Parts Info
By | July 14, 2021
Mechanics, keep these NSNs in mind until the road grader’s parts manual is updated. The first is for the input lockout switch. The second is for the manifold pressure sensor for your 120M road grader’s implement steering...

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130G Road Grader: Hydraulic Unloading Valve Reminder
By | April 29, 2021
This article initially appeared in PS 742 (Sep 14), p. 20. Operators, keep this tip in mind when temps drop below 60°F: Use the road grader’s hydraulic unloading valve to make starting the engine easier...

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120M Road Grader: Keep Transmission Oil on the Level
By | March 11, 2021
This article initially appeared in PS 764 (Jul 16), p. 15. Operators, stay level-headed when it comes to checking your grader’s transmission oil level. That also means using the right oil...

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120M Road Grader: No Joy in Busted Joysticks
By | March 11, 2021
This article initially appeared in PS 798 (May 19), p. 26. Operators, climbing in and out of the 120M road grader’s cab should be second nature at the work site...

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120M Road Grader: Clogged Breather Valve A Show Stopper!
By | Jan. 8, 2021
This article initially appeared in PS 763 (Jun 16), p. 10. The mud really flies when you’re operating your 120M road grader, operators. And a lot of that mud ends up on top of the circle drive gear...

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120M Road Grader: Idle First, Then Go Grading!
By | Dec. 28, 2020
This article initially appeared in PS 755 (Oct 15), p. 16. Now that you’ve started your 120M road grader, you’re ready to move out, right? Not so fast, my road-grading friend!...

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120M Road Grader: Cab Steps Do Banged-Up Job
By | Oct. 30, 2020
This article initially appeared in PS 775 (Jun 17), p. 16. The step assembly that hangs below the cab on your 120M road grader does a bang-up job…at least until it gets snagged by the end of the blade. That can happen...

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120M Road Grader: A Proper Place
By | Aug. 26, 2020
There’s a right place and a wrong place (or many wrong places) to stow components of your grader. Keep these “proper place” reminders in mind while operating and maintaining your 120M road grader...

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120M Road Grader: Look for Rust and Clogged Air Filters
By | Aug. 10, 2020
Operators, write a note and keep this preventive maintenance reminder handy before the day’s run at the worksite. Open the access door to the engine compartment and take a look at the exhaust pipe. You’ll want to eyeball...

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CAT Construction Equipment: Replacing Valve Filter Saves Bucks
By | June 22, 2020
If you’ve got a newer piece of CAT construction equipment—like the 120M road grader, 924H wheel loader, D7R II dozer or 621G scraper—you’ve no doubt noticed they come equipped with an ether start aid valve, NSN...

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120M Road Grader: Shut the Door on Dirt
By | June 19, 2020
Ever been tempted to move around the job site with the door open on your 120M road grader? Maybe it’s warm, but not hot enough for the air conditioner, so you decide to let in a little fresh air. Bad idea! With the door open,...