1.6 General Safety Information .........................................................................1-4
1.7 Safe Handling and Use of Li-ion battery pack ............................................1-4
1-1
Safety Instructions
1.1 Introduction 1
1.1 Introduction
Read these pages carefully before beginning to install and use the Analyzer.
The following paragraphs contain information, cautions and warnings which must be
followed to ensure safe operation and to keep the Analyzer in a safe condition.
Warning
Servicing described in this manual is to be done only by
qualified service personnel. To avoid electrical shock, do not
service the Analyzer unless you are qualified to do so.
1.2 Safety Precautions
For the correct and safe use of this Analyzer it is essential that both operating and service
personnel follow generally accepted safety procedures in addition to the safety
precautions specified in this manual. Specific warning and caution statements, where
they apply, will be found throughout the manual. Where necessary, the warning and
caution statements and/or symbols are marked on the Analyzer.
1.3 Caution and Warning Statements
Caution
Used to indicate correct operating or maintenance procedures
to prevent damage to or destruction of the equipment or other
property.
Warning
Calls attention to a potential danger that requires correct
procedures or practices to prevent personal injury.
1.4 Symbols
The following symbols are used on the Analyzer, in the Users Manual, in this Service
publication, or on spare parts for this Analyzer.
See explanation in Users Manual
Live voltage
Static sensitive components
(black/yellow).
Do no dispose of this product as
unsorted municipal waste. Go to
Fluke’s website for recycling
information
DOUBLE INSULATION (Protection
Class)
Earth Ground
Recycling information
Conformité Européenne
1-3
Fluke 434-II/435-II/437-II
Service Manual
Battery Safety Approval
Safety Approval
RoHS China
1.5 Impaired Safety
Whenever it is likely that safety has been impaired, the Analyzer must be turned off and
disconnected from line power. The matter should then be referred to qualified
technicians. Safety is likely to be impaired if, for example, the Analyzer fails to perform
the intended measurements or shows visible damage.
1.6 General Safety Information
Warning
Removing the Analyzer covers or removing parts, except those
to which access can be gained by hand, is likely to expose live
parts and accessible terminals which can be dangerous to life.
Conforms to relevant Australian
standards
Safety Approval
Current Clamp
The Analyzer shall be disconnected from all voltage sources before it is opened.
Capacitors inside the Analyzer can hold their charge even if the Analyzer has been
separated from all voltage sources.
When servicing the Analyzer, use only specified replacement parts.
1.7 Safe Handling and Use of Li-ion battery pack
The Analyzer uses a rechargeable Li-ion battery pack model BP290 (26 Wh, standard) or
BP291 (52 Wh, optional).
For instructions how to safely handle and use this battery pack refer to Chapter 1,
General Aspects, Paragraph ‘Safe Use of Li-ion Battery Pack’ in the Users Manual of
Fluke 434-II/435-II/437-II.
The Users Manual can be downloaded from Fluke’s website.
This chapter contains an illustrated list of replaceable parts for the models 434-II, 435-II,
and 437-II Power Quality Analyzer Series II.
Parts are listed by assembly; alphabetized by item number or reference designator. Each
assembly is accompanied by an illustration showing the location of each part and its item
number or reference designator. The parts list gives the following information:
• Description
• Ordering code
Caution
Electrical components and in particular active components
such as IC’s, transistors and diodes may be damaged by static
discharge.
Handling and servicing static sensitive components and
assemblies should be done only at a static free workstation by
qualified personnel.
3.2 How to Obtain Parts
In the event that the part ordered has been replaced by a new or improved part, the
replacement will be accompanied by an explanatory note and installation instructions, if
necessary.
To ensure prompt delivery of the correct part, include the following information when
you place an order:
• Instrument model (for example Fluke 435-II), 12 digit instrument code (9444 ... ....),
and serial number (15500001). The items are printed on the type plate on the bottom
cover.
• Ordering code
• Description
• Quantity
3.3 Service Centers
To locate an authorized service center, call Fluke using any of the phone numbers listed
below, or visit on the World Wide Web: www.fluke.com
USA and Canada: 1-888-99-FLUKE (1-888-993-5853)
Europe: +31-40-2675200
Anywhere in the world: +1-425-446-5500
3-3
Fluke 434-II/435-II/437-II
Service Manual
3.4 Final Assembly Parts
See Table below. In Chapter 6 – Disassembling the Analyzer, pictures are present giving
an impression on how the instrument is constructed.
Dedicated pictues with item numbers are scheduled for a future revision of this Service
Information.
Part or Kit Ordering Code Consists of Following Parts Figure/Item nr
Case Set 43x-II 4161577 Front case (excl. lens/decal) 3-2/21
Inner lens (for double isolation) -- Dustseal long (2x, around screen) -- Dustseal short (2x, around screen) -- Case seal (white) 3-2/27
Bottom case assy 3-1/3
Battery door 3-1/16
Adhesive foam (for battery door) -- Quarter turn screw (2x) -- Standup bracket 3-1/18
Quarter turn screw 948609 For battery door (1x) --Decal Set for Input
Sockets, Colored
Decal Set for Input
Sockets, Black &
White
Li-ion Battery Pack BP290 (standard) 26 Wh, 10.8 V 3-1/17
Li-ion Battery Pack BP291 (optional) 52 Wh, 10.8 V 3-1/17