Proheat M125 manuals

Proheat M125 User Manual (90 pages)

Brand: Proheat | Category: For the car | Size: 10.03 MB |

English

Table of contents

G-II PCM SERVICE MANUAL

1

M50, M80/90 & M105/125

1

CONTENTS

2

SAFETYA

4

SAFETY CONSIDERATIONS

5

INTRODUCTION

6

PROHEAT CONTROL

8

MODULE (PCM) TYPE

8

COMPRESSOR TYPED

10

MODEL DESCRIPTIONSE

12

Figure E-2

13

TECHNICAL

14

SPECIFICATIONS

14

PHYSICAL – M50/M801.1

15

PHYSICAL – M90/105

17

PHYSICAL – M125

19

G-II PCM ELECTRICAL1.2

21

TORQUE SPECIFICATIONS1.3

22

Ignition Module

23

Blower Housing

23

Dual Mode Temperature Sensor

23

Burner Head/Heat Exchanger

23

PRINCIPLE OF

26

OPERATION

26

Figure 2-1

28

THEORY OF OPERATION

29

Examples:

30

INDICATOR

31

MAINTENANCE TOOLS3.0

36

Minimum Standard Hand Tools

37

TROUBLESHOOTING

38

AND REPAIR

38

4.1 SYSTEM AND COMPONENT

39

DIAGNOSTICS

39

Fuel and fuel supply – Check:

42

START: Fuel System Step 1

42

PROHEAT fuel filter – Check:

43

START: Fuel System Step 2

43

START: Fuel System Step 3

44

Air Compressor – Check:

46

START: Fuel System Step 4

46

PRESSURE RELIEF CAP

49

LOCK NUT

49

PRESSURE RELIEF

49

VALVE BODY

49

Fuel Solenoid Valve – Check:

50

START: Fuel System Step 5

50

START: Fuel System Step 6

52

Fuel Supply Pump – Check:

54

START: Fuel System Step 7

54

Ignition Module – Check:

57

START: Ignition System

57

Flame Sensor – Check:

58

START: G-II PCM Flame

58

Sensor Circuit

58

FLAME OUT Diagnostic Code 2

60

COOLANT FLOW: Step 2

61

COOLANT FLOW: Step 1

61

OVERHEAT Diagnostic Code 4

62

VOLTAGE Diagnostic Code 5

63

FLAME FAULT Diagnostic Code 6

64

G-II PCM COOLANT PUMP

68

CONNECTION

68

MOTOR Diagnostic Code 12

69

G-II PCM AUXILIARY

71

OUTPUT CONNECTION

71

COMPONENT MECHANICAL

73

OR ELECTRICAL PROBLEMS

73

OPERATIONAL PROBLEMS4.3

76

MAINTENANCE5.0

78

ANNUAL MAINTENANCE5.2

79

Figure 5-3: Fuel Filter

80

Figure 5-4: Fuel Nozzle

80

Figure 5-5: Air Filter

81

Figure 5-6: Compressor Check

81

REPLACEMENT PARTS AND

83

TEST EQUIPMENT

83

ROTARY VANE COMPRESSOR

84

PROHEAT WARRANTY6.0

88

Proheat Serial Number:

90

Installation Date:

90

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