Description
This Caterpillar Grader #12F and 14E Service Manual provides detailed service information, step-by-step repair instruction and maintenance specifications for Caterpillar Grader #12F (13K1 & Up), Grader #12F (33K1 & Up), Grader #12F (89H1 & Up), Grader #14E (12K1 & Up), and Grader #14E (72G1 & Up) models. This is a reproduction of the original, out of print manual.
Caterpillar Grader #12F and 14E Service Manual Table of Contents
SYSTEMS OPERATION
Air Inlet and Exhaust System
Aftercooler
Timing Gears
Turbocharger
Valves and Valve Mechanism
Basic Block
Crankshaft
Cylinder Block and Liners
Pistons, Rings and Connecting Rods
Vibration Damper
Cooling System
Coolant for Air Compressor
Cooling System Components
980 Wheel Loader Torque Converter Cooler
Electrical System
Charging System Components
Electrical System Schematic
Other Components
Starting System Components
Fuel System (Scroll—PC)
Fuel Injection Pump
Fuel Injection Valve
Fuel System Timing
Glow Plugs
Govenor Operation
Introduction
Fuel System (Sleeve Metering)
Adjustments to the Sleeve
Metering Fuel System
Fuel Flow after Engine Stops Running
Fuel Flow Using the Priming Pump
and Bleed Valve
Fuel Flow with Constant Bleed Valve
Fuel Flow with Siphon Break
Fuel Flow with Siphon Break and
Constant Bleed Valve
Fuel Flow without Siphon Break or
Constant Bleed Valve
Fuel Injection Pump Operation
Fuel Injection Valve (PC)
Fuel Injection Valves
Fuel Priming Pump
Fuel Ratio Control
Fuel System Operation
Fuel System Timing
Fuel System Usage Chart
Fuel Transfer Pump
Glow Plugs (PC)
Governor
Injection Nozzle (Dl)
Introduction
Siphon Break
Sleeve Position
Water Separator
General Information
Fuel System Usage Chart
Lubrication System
Lubrication System Components
Oil Flow in the Engine
Oil Flow through the Oil Filter and Oil Cooler
TESTING AND ADJUSTING
Air Inlet and Exhaust System
Checking Inlet Manifold Pressure at Torque
Converter Stall Speed
Crankcase (Crankshaft Compartment) Pressure
Compression
Cylinder Head
Glow Plug and Precombustion Chamber Removal
and Installation
Measurement of Exhaust Temperatures
Measurement of Pressure in Inlet Manifold
Procedure for Measuring Camshaft Lobes
Restriction of Air Inlet and Exhaust
Turbocharger
Valve Clearance
Basic Block
Connecting Rods and Main Bearings
Connecting Rods and Pistons
Cylinder Block
Cylinder Liner Projection
Flywheel and Flywheel Housing
Piston Ring Groove Gauge
Vibration Damper
Cooling System
Checking Fan Speed
Checking Radiator Air Flow
Filler Cap and Pressure Relief Valve
Gauge for Water Temperature
Pressure Cap
Testing the Cooling System
Testing Radiator and Cooling System for Leaks
Visual Inspection of the Cooling System
Water Temperature Regulator
Electrical System
Battery
Charging System
Shutoff Solenoid
Starting System
Fuel System
Adjustment and Cleaning 7N449 Fuel
Injection Nozzles
Checking Engine Cylinders Separately
Checking Engine Timing with 6V3100 Diesel Engine
Timing Indicator Group
Engine Speed Measurement
Finding Top Center Compression Position for
No 1 Cylinder
Flow Checking Fuel Injection Pump Timing
(PC Engines Only)
Fuel Injection Lines
Fuel System Inspection
Start-Up Procedure
Test Sequence — Precombustion Chamber (PC)
Fuel Nozzle
Testing 7N449 Fuel Injection Nozzles
Testing Capsule Type Fuel Injection Nozzles
Troubleshooting of 7N449 Fuel Injection Nozzles
Fuel System — Sleeve Metering
Fuel Injection Service
Fuel Pump Calibration
Fuel Ratio Control Setting
Fuel System Adjustments
Fuel System Setting
Governor Adjustments
Fuel System (Scroll—PC)
Checking the Fuel Injection Valves
Checking the Plunger and Lifter Washer of an
Injection Pump
Decelerator Control Adjustment
Fuel Injection Service
Fuel Rack Setting
Fuel Ratio Control Setting
Governor Adjustments
Governor Control and Decelerator Linkage
Adjustments
Governor Linkage Adjustment
Lubrication System
Oil Pressure is High
Oil Pressure is Low
Too Much Bearing Wear
Too Much Oil Consumption
Troubleshooting
Caterpillar Grader #12F and 14E Service Manual Index of Topics
Batteries
Bearings
Anti-Friction
Double Row, Tapered Roller
Heating Bearings
Installation
Preload
Sleeve Bearings
Bolts and Bolt Torque
Torque Multipliers
Torque Wrench Extension
T-T-T Procedure
Brake Linings
Cleaning and Handling of Parts
Cleanliness
Cylinders, Hydraulic
Cylinder Head Seals
Cylinder Installation
Disassembly and Assembly
Head Packing Adjustment
Removal
Seal Guide
Solid Seal Assemblies
Disassembly and Assembly
Filling and Bleeding the
Hydraulic Track Adjusters
First Operation of a Rebuilt Engine
Fractions, Decimals and Millimeters
Chart
Gaskets
Hydraulic Systems
Assembly of Fittings with Straight Threads
and O-ring Seals
Cleanliness
Cylinder Installation
Cylinders
Hydraulic Line Installation
Hydraulic Valves
Pumps
Assembly of Insert Vane Type Pumps
General
Rotation
Safety
Sealing Elements
Solid Seal Assemblies
Torques for Flared and O-ring Fittings
Torques for Other Fittings
Hydraulic Valves
Lines and Wires
Locks
Lubrication
Lubrication of Track Rollers and Idlers
Front Idlers
Track Carrier Rollers
Track Rollers
Pressing Parts
Pumps
Assembly of Insert Vane Type Pumps
General
Rotation
Relieving Track Tension
Hydraulic Adjusting Type
Screw Adjusting Type
Removal and Installation
Safety
Seals
Duo-Cone Floating
Lip-type
Service Tools
Bearing Cup Pulling Attachment Bearing Pulling Attachment
Puller Assembly (2 or 3 arm)
Push Puller
Shims
Sprocket Segment Removal and Installation
Tool Safety
Torque Multipliers
Torque Wrench Extension
