Chapter 3
Engine
(Model 30580)
Table of Contents
NOTE: This Chapter provides engine information for TORO Model 30580.
See Chapter 3A for Model 30581 or Chapter 3B for Model 30582.
GENERAL INFORMATION. . . . . . . . . . . . . . . . . . . . 3
Engine Serial Number Location. . . . . . . . . . . . . . 3
Engine External Views. . . . . . . . . . . . . . . . . . . . . 4
Engine Sectional Views. . . . . . . . . . . . . . . . . . . . 5
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Definition of Terms. . . . . . . . . . . . . . . . . . . . . . . . 6
General Specifications . . . . . . . . . . . . . . . . . . . . 7
Service and Overhaul Standards . . . . . . . . . . . 11
Tightening Torques . . . . . . . . . . . . . . . . . . . . . . 20
Sealants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
SPECIAL TOOLS . . . . . . . . . . . . . . . . . . . . . . . . . . 23
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . 26
GENERAL OVERHAUL INSTRUCTIONS . . . . . . . 30
Determining When To Overhaul The Engine . . . 30
Disassembly Precautions . . . . . . . . . . . . . . . . . 30
Reassembly Precautions. . . . . . . . . . . . . . . . . . 30
Testing Compression Pressure . . . . . . . . . . . . . 31
ADJUSTMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Valve Clearance . . . . . . . . . . . . . . . . . . . . . . . . 32
Priming / Bleeding Fuel System . . . . . . . . . . . . 33
Fuel Injection Timing . . . . . . . . . . . . . . . . . . . . . 34
No-Load Minimum and Maximum Speed . . . . . 35
Throttle Lever and Control Cable Adjustment . . 37
Fuel Stop Solenoid Adjustment. . . . . . . . . . . . . 38
Fan Drive Belt Inspection and Adjustment . . . . 38
ENGINE REMOVAL AND INSTALLATION . . . . . . . 39
ACCESSORY REMOVAL AND INSTALLATION. . . 43
Prepratory Steps . . . . . . . . . . . . . . . . . . . . . . . . 43
Engine Accessory Removal . . . . . . . . . . . . . . . 43
Engine Accessory Installation . . . . . . . . . . . . . . 47
CYLINDER HEAD AND VALVES . . . . . . . . . . . . . . 48
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Inspection and Repair . . . . . . . . . . . . . . . . . . . . 50
Reassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
FLYWHEEL, TIMING GEARS AND CAMSHAFT . . 61
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Inspection and Repair . . . . . . . . . . . . . . . . . . . . 64
Reassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
PISTONS, CONNECTING RODS,
CRANKSHAFT & BLOCK . . . . . . . . . . . . . . . . . 73
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Inspection and Repair . . . . . . . . . . . . . . . . . . . . 76
Reassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
INLET AND EXHAUST SYSTEMS. . . . . . . . . . . . . 91
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Exhaust Manifold. . . . . . . . . . . . . . . . . . . . . . . . 92
Turbocharger . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
LUBRICATION SYSTEM . . . . . . . . . . . . . . . . . . . 106
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Oil Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Oil Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Relief Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
COOLING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . 112
Water Pump. . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Radiator, Fan and Fan Belt . . . . . . . . . . . . . . . 115
FUEL SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Fuel Injection Nozzles . . . . . . . . . . . . . . . . . . . 117
Fuel Feed Pump . . . . . . . . . . . . . . . . . . . . . . . 120
Fuel Injection Pump. . . . . . . . . . . . . . . . . . . . . 122
Governor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
GENERAL OVERHAUL INFORMATION . . . . . . . 125
Oil Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
O-Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Lock Plates . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Split Pins and Spring Pins . . . . . . . . . . . . . . . . 127
Groundsmaster® 580-D
Table of Contents
Page 3 - 1 Rev. E
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 30581, Toro Groundsmaster 580 D |
| Download File |
|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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