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LONCIN
Portable Generator
LC3500i
LONCIN LC3500i User Manual
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Chapter IV Disassembly & Re
pair
- 47 -
Rectifier bridge
The
internal
circuit
of
rectifier
brid
ge
is
shown
as
above.
Detect
the
switching
of
each
te
rminal
of
rectifier
bridge with multimeter
.
When
the
switching
of
rectifier
bridge
is
shown
as
below
, the rectifier b
ridge is under the normal status:
Digital
Multimeter
Test with Red
Needle
Blue
Blue
Red
Black
Test
with
Black
Needle
Blue
Not
conductiv
e
Not
conductive
Conductiv
e
Blue
Not
conductive
Not
conductiv
e
conductive
Red
Conductive
Conducti
ve
Conductiv
e
Black
Not
conductive
Not
conductiv
e
Not
conductiv
e
T
ip
1:
“Switching”
means
the
conductivity
feature
of
diode
and
differs
from
short
circuit.
When
the
check
of
eac
h
section
fails,
replace
with
a
new
rectifier bridge.
Blue
Red
Black
Black
Red
Blue
Blue
Black
Rectifier bridge
Multimeter
51
53
Table of Contents
Default Chapter
1
Maintenance Manual
1
Table of Contents
4
Chapter I Introduction
6
Structure of Electric Generator
6
Fuel Tank
6
Technical Specifications
7
Chapter II Repair Standards
8
Standards for Engine Repair
8
Standards for Electric Generator Repair
9
Torque Parameters of Fasteners
9
Torque Parameters of Standard Parts
10
Chapter III Maintenance
11
Maintenance Schedule
11
Change Engine Oil
12
Air Filter
13
Cleaning of the Fuel Filter
14
Spark Canceller
14
Spark Plug
15
Adjustment of Valve Clearance
16
Chapter IV Faults & Repair
17
Fault Diagnosis
17
Difficulty in Starting
17
Low Power
18
Unstable Speed
19
Low Speed/Voltage
20
Abnormal Exhaust Colors
21
No Alternating Current Output Voltage
22
No Direct-Current Output Voltage
22
Prepare for Repairs
23
Safety Precautions
23
Special Tools
23
Diagram for Disassembly
24
Engine
25
Generator
45
Silencer
46
Rack Baseplates
47
Motor Parts
48
Inverter Parts
50
Inverter Parts
51
Control Panel Parts
53
Appearance Assembly
58
Chapter V Circuit Diagram
59
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LONCIN LC3500i Specifications
General
Brand
LONCIN
Model
LC3500i
Category
Portable Generator
Language
English
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