Guardian 4706 Manuals

Manuals and User Guides for Guardian 4706. We have 1 Guardian 4706 manual available for free PDF download: Repair Manual

Guardian 4706 Repair Manual

Guardian 4706 Repair Manual (92 pages)

RECREATIONAL VEHICLE GENERATOR

Brand: Guardian | Category: Portable Generator | Size: 8.8 MB

Table of Contents

Table of Contents
3
S S E E C C T T I I O O N N 1 1
5
S S E E C C T T I I O O N N 1 1
8
G G E E N N E E R R a a T T O O R R F F U U N N D D a a M M E E N N T T a a L L S
9
- Rotor Assembly
  10
- Stator Assembly
  10
- Brush Holder
  11
- Battery Charge Components
  11
- Excitation Circuit Components
  11
- Crankcase Breather
  12
S S E E C C T T I I O O N N 2 2
12
- Effects of Dirt and Moisture
  14
- Insulation Resistance Testers
  14
- Drying the Generator
  14
- Cleaning the Generator
  14
- Stator Insulation Resistance
  15
Test
15
- Testing Rotor Insulation
  16
- The Megohmmeter
  16
S S E E C C T T I I O O N N 3 3
16
- Meters
  17
- The vom
  17
- Measuring Ac Voltage
  17
- Measuring DC Voltage
  17
- Measuring Ac Frequency
  18
- Measuring Current
  18
- Measuring Resistance
  18
- Electrical Units
  19
- Ohm's Law
  19
S S E E C C T T I I O O N N 4 4
19
- Introduction
  20
- Operational Analysis
  20
- Engine Controller Circuit Board
  26
- Battery
  26
- 7.5 Amp Fuse
  27
- Fuel Primer Switch
  27
- Start-Stop Switch
  27
- Starter Contactor Relay & Starter Motor
  28
If Problem Involves Ac Output
29
Voltage & Frequency Are both High or Low
29
S S E E C C T T I I O O N N 6 6
29
Generator Produces Zero Voltage or Residual Voltage (5-12 Vac)
30
No Battery Charge Output
31
Excessive Voltage/Frequency Droop When Load Is Applied
32
Priming Function Does Not Work (Gasoline Models)
32
Engine will Not Crank
33
Engine Cranks but will Not Start (Gasoline Units)
34
Engine Cranks but will Not Start (Lp Units)
35
Engine Starts Hard and Runs Rough (Gasoline Units)
36
Engine Starts Hard and Runs Rough (Lp Units)
36
Engine Starts then Shuts down
38
Problem 10 - 7.5 Amp (F1) Fuse Blowing
39
Introduction
40
Check No-Load Voltage and Frequency
40
Check Engine Governor
40
Test Excitation Circuit Breaker
41
Fixed Excitation Test/Rotor Amp Draw
41
Wire Continuity
42
Check Field Boost
43
Test Stator DPE Winding
43
Check Sensing Leads/Power Windings
44
Check Brush Leads
45
Check Brushes & Slip Rings
45
Test
45
Check Rotor Assembly
46
Check Main Circuit Breaker
46
Check Load Voltage & Frequency
47
Check Load Watts & Amperage
47
Check Battery Charge Output
47
Check Battery Charge Rectifier
47
Check Battery Charge Windings/Battery Charge Resistor
48
Try Cranking the Engine
49
Test Primer Switch
49
Test
50
Check Fuel Pump
50
Check 7.5 Amp Fuse
51
Check Battery & Cables
51
Check Power Supply to Circuit Board
51
Check Start-Stop Switch
52
Check Power Supply to Wire 56
53
Check Starter Contactor Relay
53
TEST 26A Check Starter Contactor
54
Check Starter Contactor
54
Check Starter Motor
54
Check Fuel Supply
56
Check Wire 14 Power Supply
58
TEST 30 - Check Wire 18
58
(Gasoline Models)
59
Check Ignition Spark
59
Check Spark Plugs
61
Check and Adjust Ignition Magnetos
61
- Check Valve Adjustment
  63
- Check Carburetion
  64
- Check Choke Solenoid
  64
- Check Engine / Cylinder Leak down Test / Compression Test
  66
- Check Oil Pressure Switch
  67
- Test Oil Temperature Switch
  67
- Test Choke Heater
  68
- Check LPG Fuel Solenoid
  68
- S S E E C C T T I I O O N N 7 7
  68
- Major Disassembly
  70
  - Enclosure/Panel Removal
    70
  - Stator Removal
    70
  - Rotor Removal
    70
  - Belt Tensioning
    71
  - Engine Removal
    71
  - Startor Removal
    71
  - Flywheel/Magneto Removal
    72
S S E E C C T T I I O O N N 8 8
72
- Base & Pulley Drawing
  74
- Enclosure Drawing
  76
- Sheet Metal Drawing
  78
- Control Panel Drawing
  80
- Twin Engine Drawing
  82
- Lp Regulator Drawing
  84
S S E E C C T T I I O O N N 9 9
84
S S E E C C T T I I O O N N 1 1 0 0
88
- Electrical Schematic and Wiring Diagram
  90

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