Yard-Man Model Series 420 manuals

Owner’s manuals and user’s guides for Lawnmowers Yard-Man Model Series 420.
We providing 4 pdf manuals Yard-Man Model Series 420 for download free by document types: Operator's Manual, Specifications


Table of contents

MTD Central Distributors

1

Brand News

2

Legal Disclaimer

7

2005 Model Numbering System

8

2005 Walk Behinds

9

Example: Troy-Bilt

10

Current Serial Numbers

11

Hand Held Products

17

Observation

18

Start With a Systematic

19

Repair Procedure Cont

19

Engine Issues

20

Still won’t start? Move On

21

Failure to Start

22

Failure to Start Cont

23

Heat Cont

24

Further Failure to Start:

25

Compression Test

27

Heat Issues

28

Conclusion

29

Mini 4cycle Engine

40

Handheld Electric Starter

44

49MESCBP953

45

Troy-Bilt Horse

46

MTD Tiller – Model 410/430

47

Testing the Hydraulics

50

Equipment Needed

51

Install the Flow Gauge

52

Walk Behind Snow Throwers

53

300 Series Compact

55

Sealed Transmission

56

Replacement Only

56

500-600 Series 2

57

Generation

57

500 -600 Series Changes

58

Auger Gear Box Changes

59

New Extreme Augers

60

Drive System Changes

61

Transmission Changes

62

Transmission Changes Cont

63

Double D Fan Shaft & Fan

65

New Belt Cover

67

New Design Lower Chute

68

New Universal Fit Slide Shoes

70

Special Note

71

Important

71

P90 Engines

74

4 P 90 M 0 A

75

Engine Specifications

76

Maintenance Intervals

77

P90 Engines Maintenance

78

Charging System

80

Electric Starter

85

Rebuilding the Starter

86

MTD Engine Updates

88

1 P 6 1 M U A

89

1 6 1 - S H A

90

1P65FH/0510271A0023

91

Electric Start

97

Maintenance

100

Diagnosis: Fuel, Air

101

Compression, Spark

101

Maintenance: Valve Lash

102

Fuel System

106

Fuel System 1

125

Fuel System 2

126

Fuel System 3

127

Fuel System 4

128

PCV System

129

Operator Controlled Reverse

134

IGNITION SWITCH CONFIGURATION

143

SEAT SWITCH

144

CONFIGURATION

144

REVERSE SWITCH

146

BRAKE SWITCH

148

CONFIGURATION CHART

148

BRAKE SWITCH LOCATION

149

PTO SWITCH

150

PTO SWITCH LOCATION

151

ABOUT THE RMC MODULE:

152

RMC MODULE

153

REGULATOR /

157

RECTIFIER

157

With an Electric PTO:

158

RELEASED

163

Question #1:

173

Question #2:

174

Where do the symptoms point?

174

Question #3:

175

Where do I start?

175

As it fits in the dash:

176

Scenario #1:

177

PTO / Brake / Seat Circuit

177

RMC plug

178

Yellow wire

178

A Review of

181

Belt Basics

181

Normal Wear

182

Types of Wear

183

Shock Load

184

Belt/Pulley Width

185

Engine Warranty

186

MTD Dealer Responsibilities

187

Carburetor Check List

189

Wonder why your engine

191

Claim #1

192

Claim #2

194

Claim #3

196

Claim #4

198

Claim #5

200

Claim #6

202

Claim #7

204

MTD Service Centers

206

Model and Serial Number

208

What’s the Difference ?

210

The Dealer Portal

212





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