Cat 12G, 14G, 140G Motor Graders Operation and Maintenance Manual (SEBU6053) (SN 5MD1-UP, 61M12027-UP, 96U7046-UP, 72V10334-UP, 3WC1067-UP, 13W741-UP)

These graders usually live in dirt and dust—county roads, mine sites, farm lanes—working long days when the weather’s lousy and the schedule’s tight. This manual helps you set a maintenance rhythm so you’re not chasing breakdowns when you should be pushing blade. You’ll trace daily checks, then step up to weekly, seasonal, and storage routines. Say you’re grading before a storm: you can quickly inspect cutting edges, check fluids, walk the machine, and know it’ll finish the shift instead of dying halfway down the haul road.

Applications & Use Cases

• Set up a daily walk‑around so you check leaks, blade hardware, tires, and lights the same way every morning.
• Trace and verify fluid levels and filter change intervals so you don’t run a pump or transmission dry during peak season.
• Isolate annoying issues—hard steering, weak hydraulics, starting trouble—by following the manual’s step‑by‑step checks before calling a tech.
• Plan seasonal services (cooling system, fuel system, articulation joints) so the machine’s ready when temps swing or work ramps up.
• Use the adjustment procedures to align linkages and route hoses and cables correctly after repairs.

FAQ

Q: Is this manual searchable on a laptop or tablet?

A: Yes, you can typically search the PDF by keyword, which makes finding specific checks or intervals a lot faster.

Q: Can I print just a few sections to keep in the grader?

A: You usually can; most folks print the lubrication, interval charts, and basic checks and keep them in a plastic sleeve in the cab.

Safety Note

Always lock out the machine and bleed off any stored hydraulic pressure before you inspect or work around the blade and linkage.

Cat 12G, 14G, 140G Motor Graders Index:

Foreword
Important Safety Information
Safety .
Towing .
Product Identification and
Serial Number Locations
Operation Section
Operator’s Compartment .
Vlachine Controls
Implement Controls
Before Starting the Engine
Starting the Engine .
After Starting the Engine
Operating Techniques .
Operating Adjustments
Parking the Machine
Transportation Hints
Tire Inflation Information

Maintenance Section
Maintenance Recommendations
Coolant, Fuel and Lubricant Specifications
Refill Capacities
Lubricant Viscosity Recommendations
Lubrication and Maintenance Interval Chart
When Required
Every 10 Service Hours or Daily
Every 50 Service Hours or Weekly
Every 100 Service Hours or Monthly
Every 250 Service Hours or Monthly
Every 500 Service Hours or 3 Months
Every 1000 Service Hours or 6 Months
Every 2000 Service Hours or 1 Year

Caterpillar