Part of the Kubota Repair Manuals.
This Kubota workshop manual covers the GL6000, GL7000, GL9000 and GL11000 diesel generators, built around the Z482-E2B-SEC-2 and D722-E2B-SEC-2 engines. Its 165 pages are split between the engine and the generator, so you can service both halves of the unit from one PDF.
The engine chapters give identification data, troubleshooting charts, full servicing specifications, tightening torques, and step by step checking and disassembly. The generator chapters cover the structure, automatic voltage regulator, emergency relay circuit, troubleshooting and servicing of the output side.
Whether the engine will not start, the set makes no power, or output drifts under load, this manual gives the factory clearances, torque figures and test procedures to find and fix the fault. Download it as a PDF and reference it on any device in the field or the shop.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | Identification, Precaution, Handling Precautions for Electrical Parts and Wiring (Battery, Fuse, Connector, Handling of Circuit Tester), E2B Engine, Lubricants, Fuel and Coolant | |
| General Check and Maintenance | Daily Check (Check Points of Initial 50 Hours), Check Points of Initial 50 Hours (100 Hours), Check Point of Every 50 Hours, Check Point of Every 100 Hours | |
| Engine Mechanism | Engine Body (Half-Floating Head Cover), Wiring Diagram, Lubricating System, Cooling System, Fuel System | |
| Engine Troubleshooting | Engine Does Not Start, Engine Revolution Is Not Smooth, Either White or Blue Exhaust Gas Is Observed, Either Black or Dark Gray Exhaust Gas Is Observed, Deficient Output | |
| Engine Servicing Specifications | Engine Body (Cylinder Head Surface, Top Clearance, Compression Pressure, Valve Clearance, Valve Seat, Valve Face, Valve Recessing, Valve Stem to Valve Guide, Valve Timing, Valve Spring, Rocker Arm Shaft to Rocker Arm, Push Rod, Tappet to Tappet Guide Bore, Camshaft, Camshaft Journal to Cylinder Block Bore, Timing Gear, Idle Gear, Idle Gear Shaft to Idle Gear Bushing, Piston Pin Bore, Piston Ring Clearance, Piston Ring Gap, Connecting Rod, Piston Pin to Small End Bushing, Crankshaft, Crankshaft Journal to Crankshaft Bearing 1, Crankshaft Journal to Crankshaft Bearing 2) | |
| Engine Tightening Torques | Tightening Torques for Special Use Screws, Bolt and Nut, Tightening Torques for General Use Screws | |
| Engine Checking, Disassembling and Servicing | Checking and Adjusting (Engine Body, Lubricating System, Cooling System, Fuel System) | |
| Generator Mechanism | Structure, Automatic Voltage Regulator, Emergency Relay Circuit (General, Instructions), Earth | |
| Generator Troubleshooting | Evident Physical Defect, Generator, Voltmeter Indicates Normal Voltage But No Output Voltage Is Delivered | |
| Generator Servicing Specification | Model GL6000, Model GL7000, Model GL9000, Model GL11000 | |
| Generator Tightening Torques | Tightening Torques for Special Use Screws, Bolts and Nut, Tightening Torques for General Use Screws | |
| Generator Checking, Disassembling and Servicing | Checking and Adjusting (Control Panel, Electrical System, Emergency Relay Activates), Disassembling and Assembling (External Components), Preparation (Generator) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Cylinder head cover screw torque | 6.86 to 11.3 N-m (0.7 to 1.15 kgf.m, 5.1 to 8.3 ft-lbs) | p. 60 |
| Injection pipe retaining nut torque | 24.5 to 34.3 N-m (2.5 to 3.5 kgf.m, 18.1 to 25.3 ft-lbs) | p. 60 |
| Fuel filter element cleaning interval | Every 300 hours | p. 24 |
| Fuel filter element replacement interval | Every 400 hours | p. 24 |
| Air cleaner element cleaning interval | Every 100 hours | p. 24 |
| Air cleaner element replacement interval | Every 1 year or every 6th cleaning | p. 24 |
| Fan belt check interval | Every 50 hours | p. 24 |
| Fan belt replacement interval | Every 800 hours | p. 24 |
| Battery check interval | Every 50 hours | p. 24 |
| Battery replacement interval | Every 2 years | p. 24 |
| Fuse replacement (Burnt out 15A fuse) | Replace | p. 145 |
| Fuse replacement (Blown fuse for separate excitation unit) | Replace | p. 143 |
