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Jacobsen
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LF 550
Jacobsen LF 550 Technical/Repair Manual
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3-4
4241262-Rev B
ENGINE
3
Figure
3-2:
Component Location—Left
Side
1
Air Cleaner Indicator
7
Throttle Cable
2
Air Cleaner Assembly
8
Air Vent Screw
3
Engine Coolant Filler/Pressure Cap
9
Fuel Shutoff Solenoid
4
Radiator/Hydraulic Oil Cooler
10
Fuel Filter
5
Engine Temperature Sens
or
11
Battery
6
Air Intake Hose
12
Insulating Sleeve
2
10
TN3589
7
12
3
1
5
4
6
9
11
8
35
37
Table of Contents
Chapter 1 Safety 1
9
Table of Contents
9
Introduction
10
Prepare for the Job
10
Safety Label Locations
10
Safety Notices
10
Inspect Safety Labels
14
Keep Work Area Clean
14
Keep Work Area Well Ventilated
14
Park Mower Safely
14
Use Proper Eye and Face Protection
14
Support Machine Securely
15
Use Compressed Air and Air Tools Safely
15
Use Lifting Equipment Safely
15
Handle Fuel Safely
16
Service Tires Safely
16
Store Volatile and Hazardous Materials Safely
16
Handle Chemical Products Safely
17
Service Cooling System Safely
17
Service Hydraulic System Safely
17
Dispose of Waste Materials Safely
18
Service Electrical Components Safely
18
Chapter 2 Specifications and General Information
19
Machine Identification
20
Machine Serial Number
20
Engine Serial Number
20
Optional Machine Accessories
20
Component Location
21
Specifications
22
Quick Reference Specifications
22
Engine
22
Electrical
23
Hydrostatic Power Train
24
Hydraulics
26
Steering
27
Standard Torque Values
31
Inch Fastener Torque Values
31
Metric Fastener Torque Values
31
Hydraulic Hose, Tube, and Fitting General Instructions
32
O-Ring Installation
32
Hydraulic Hose Installation
32
Chapter 3 Engine
33
General Engine Specifications
34
Repair Specifications
34
Specifications
34
Component Location
35
Kubota V1505
35
Checks and Adjustments
37
Purging the Fuel System
37
Repair
38
Fan Belt
38
Air Cleaner Assembly
39
Muffler and Exhaust Assembly
40
Exhaust Manifold-Naturally Aspirated Engine
41
Exhaust Manifold and Turbocharger
41
Radiator/Hydraulic Oil Cooler
42
Engine Oil Cooler (Turbocharger Engine Only)
44
Thermostat
44
Fuel Filter
45
Fuel Pump
46
Engine
47
Engine Service
50
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Jacobsen LF 550 Specifications
General
Brand
Jacobsen
Model
LF 550
Category
Lawn Mower
Language
English
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