User Manuals: MTD 75 series Engine Drive Belt

Manuals and User Guides for MTD 75 series Engine Drive Belt. We have 1 MTD 75 series Engine Drive Belt manual available for free PDF download: Shop Manual

MTD 75 series Shop Manual

MTD 75 series Shop Manual (134 pages)

Horizontal Shaft Engines

Brand: MTD | Category: Engine | Size: 5 MB

Table of Contents

Table of Contents
3
Chapter 1: Introduction

7
- Professional Service Manual Intent
  7
- Safety
  7
- Fasteners
  9
- Assembly Instructions
  9
- Model and Serial Number
  11
- Maintenance
  11
- Spark Plugs
  12
- Air Filter
  13
- Oil Type and Capacity
  14
- Changing the Oil
  16
- Fuel System
  17
- Servicing the Fuel System
  17
- Fuel Filter
  17
- Valve Lash
  19
- Exhaust System
  22
- Cleaning the Engine
  22
- General Torque Specifications
  22
Chapter 2: Basic Troubleshooting

23
- Definitions
  23
- Introduction
  23
- Steps to Troubleshooting
  23
- Define the Problem
  23
- Identify Factors that Could Cause the Problem
  25
- Repairing the Problem
  29
- Prime Test
  30
- Leak-Down Test
  30
- Compression Test
  32
- PCV Testing
  33
- Troubleshooting Flow Charts
  34
- Engine Operation Problems
  35
Chapter 3: Air Intake Systems

39
- Snow Engines
  39
- Heat Box
  39
- Chore Engines
  42
- Air Filters
  42
- Air Filter Base and Intake Elbow
  43
- Carburetor Insulator
  44
Chapter 4: The Fuel System and Governor

47
- Fuel Line
  47
- Inspect the Fuel Lines
  47
- Inspecting the Fuel
  48
- Test Fuel for Alcohol
  48
- Fuel Filter
  49
- Fuel Tank Vent
  50
- To Test the Cap Vent
  50
- The Fuel Tank
  51
- Choke
  53
- Choke Linkage
  54
- Primers
  55
- Evaporative (EVAP) Emissions System
  56
- Troubleshooting the EVAP System
  57
- Roll over Valve Vent
  58
- Charcoal Canister
  59
- Testing a Charcoal Canister
  60
- Carburetors
  61
- Inspecting the Carburetor
  61
- Disassembly and Rebuilding the Carburetor
  61
- Governor
  65
- Governor Arm
  65
- Governor Shaft
  66
- Governor Cup and the Governor Gear
  67
Chapter 5: Lubrication

69
- Oil Type and Quantity
  69
- Oil Dip Stick
  70
- Dip Stick Tube Removal
  71
- Lubrication System
  72
- Positive Crankcase Ventilation Valve
  73
Chapter 6: Starter and Charging Systems

75
- Recoil Starter Removal
  75
- Starter Cup
  75
- Starter Rope
  77
- Starter Pulley and Recoil Spring
  78
- Electric Starter
  80
- Electric Starter Switch
  81
- Charging System
  85
- Stator
  86
- Rotor
  86
Chapter 7: Ignition System

87
- Troubleshooting the Ignition System
  87
- Stop Switch
  88
- Remote (Ignition) Stop Switch
  89
- The Module
  91
- Module Removal
  92
- Installing the Module and Setting the Air Gap
  92
- Flywheel
  93
- The Spark Plug
  94
- Cleaning the Spark Plug
  94
- Inspection of the Spark Plug
  94
- Spark Plug Removal
  94
Chapter 8: Exhaust

95
- Summer Engines
  95
- Spark Arrestor
  95
- To Remove/Replace the Muffler
  96
- Snow Engines
  97
Chapter 9: Cylinder Head

99
- Valves
  103
- Push Rod Bushings
  106
Chapter 10: Crankshaft, Piston and Connecting Rod

109
- Crank Shaft Inspection
  112
- Piston Inspection
  113
- Connecting Rod Inspection
  114
- Cylinder Inspection
  115
- Bearings
  116
- Reassembly
  117
- Engine Specifications Chart
  120
- Engine Torque Values Chart
  124
Chapter 11: Failure Analysis

125
- Abrasive Ingestion
  125
- Insufficient Lubrication
  128
- Engine Overspeed
  129
- Overheated
  130
- Mechanical Breakage/ Wear
  131
- Detonation/Preignition
  131

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