Yale 4H42 User manual

LS Open Loop Vector Motor 4H42, 4H71, 4H72
Manual Supplement
Part Number: za-o.2.8.41-us-1.1
August 2022
© 2022 Columbus McKinnon Corporation

LS Open Loop Vector Motor 4H42, 4H71, 4H72 Manual Supplement
za-o.2.8.41-us-1.1
June 2022
Page 3
za-o.2.8.41-us-1.1
Contents
1General notes ...........................................................................................................................................................................................................4
1.1 Using these instructions ........................................................................................................................................................................................4
1.2 Copyright notice ......................................................................................................................................................................................................4
1.3 Warranty ....................................................................................................................................................................................................................4
1.4 Target audience and responsibilities ..................................................................................................................................................................5
1.5 Manufacturer ............................................................................................................................................................................................................5
2Safety-related information .....................................................................................................................................................................................6
2.1 Layout of the warning messages .........................................................................................................................................................................6
2.1.1 Section warning messages.............................................................................................6
2.1.2 Embedded warning messages.......................................................................................6
2.1.3 Signal words .................................................................................................................... 6
2.1.4 Safety alert symbols ........................................................................................................6
2.1.5 Mandatory action signs ...................................................................................................7
2.2 Further symbols.......................................................................................................................................................................................................7
2.3 Safety notes..............................................................................................................................................................................................................8
2.3.1 Intended use ....................................................................................................................8
2.3.2 Prohibited use..................................................................................................................9
2.3.3 User obligations ...............................................................................................................9
2.3.4 Personal protective equipment.....................................................................................10
2.3.5 Changes and modifications ..........................................................................................11
2.3.6 Mounting accessories and spare parts........................................................................11
2.3.7 Transport and storage...................................................................................................12
2.3.8 Decommissioning ..........................................................................................................12
2.3.9 Disposal..........................................................................................................................12
3Product overview...................................................................................................................................................................................................13
3.1 Standards and directives .....................................................................................................................................................................................13
3.2 Design overview ....................................................................................................................................................................................................13
3.2.1 Rating plate....................................................................................................................13
4Troubleshooting ....................................................................................................................................................................................................14
5Inspection and maintenance ...............................................................................................................................................................................15
5.1 Inspection and maintenance intervals ..............................................................................................................................................................16
5.2 Check the insulation resistance .........................................................................................................................................................................17
5.3 Checking the hoist motor brake .........................................................................................................................................................................18
5.4 Replacing the brake rotor ....................................................................................................................................................................................19
5.4.1 Conditioning of the friction pairing ................................................................................21
5.5 Replacing the pressure springs .........................................................................................................................................................................22
5.6 Replacing the hub .................................................................................................................................................................................................23
5.7 Remove the cover and fan ...................................................................................................................................................................................24
6Special tools and auxiliary equipment ..............................................................................................................................................................25
6.1 Feeler gauge ...........................................................................................................................................................................................................25
7Technical data ........................................................................................................................................................................................................26
7.1 Nominal motor data...............................................................................................................................................................................................26
7.1.1 Frequency-controlled hoist motors 4H..-LS 120 Hz....................................................26
7.2 Main fuses...............................................................................................................................................................................................................27
7.3 Cable cross-sections and cable lengths...........................................................................................................................................................27
8Tightening torques for bolted connections......................................................................................................................................................28
9Spare parts..............................................................................................................................................................................................................29
9.1 4H42-LS100L ..........................................................................................................................................................................................................30
9.2 4H71-LS112M..........................................................................................................................................................................................................32
9.3 4H72-LS132M..........................................................................................................................................................................................................34

1 General notes
LS Open Loop Vector Motor 4H42, 4H71, 4H72 Manual Supplement
za-o.2.8.41-us-1.1
August 2022
Page 4
za-o.2.8.41-us-1.1
1General notes
1.1 Using these instructions
These instructions are part of the product and contain important information on proper
and safe testing, troubleshooting and maintenance. The listed information, safety notes
and warning messages, as well as required actions, must be observed. The user must
ensure that all people who work on or with the product have fully read and understood
these instructions.
The additional information in the enclosed technical documentation must be observed.
These instructions and all further applicable documents must be kept to hand and acces-
sible at all times for later use.
1.2 Copyright notice
The contents of these instructions must be treated as confidential and are intended exclu-
sively for personnel working with the product. It is impermissible to pass these instructions
on to third parties without the written consent of the manufacturer.
The information, texts, drawings, figures and other representations contained within them
are copyright protected and subject to industrial property rights.
It is prohibited to produce any form of duplicate copy, including excerpts, and to exploit
and/or disclose the contents without the written consent of the manufacturer. Infringe-
ments will be subject to compensation for damages. Further rights reserved.
Copyright © 2022 Columbus McKinnon Corporation
1.3 Warranty
These instructions were compiled in accordance with the applicable regulations, are
state-of-the-art and based on our many years of knowledge and experience.
The manufacturer accepts no liability for damage in the following cases:
●Failure to follow these instructions and the accompanying further technical documen-
tation
●Prohibited uses of the product
●Use of untrained personnel
●A failure to follow the inspection and maintenance specifications
●Impermissible changes or modifications
●Use of impermissible mounting accessories and impermissible spare parts
The obligations agreed in the delivery contract, the General Terms and Conditions and
the terms of delivery of the manufacturer apply, as well as the legal provisions valid at the
time of contractual agreement.

1 General notes
LS Open Loop Vector Motor 4H42, 4H71, 4H72 Manual Supplement
za-o.2.8.41-us-1.1
June 2022
Page 5
za-o.2.8.41-us-1.1
1.4 Target audience and responsibilities
These instructions are intended for users, qualified specialist personnel and persons who
are competent.
People under the influence of drugs, alcohol or medication that could impair reaction
times are not permitted to work on or with the product.
User
The user is anyone who operates the product and uses it, or who allows suitable and in-
structed personnel to operate it.
Qualified specialist personnel
The product must be operated exclusively by qualified specialist personnel. Persons who
work on or with the product must have read and understood these instructions before
commencing the work.
Competent person
A competent person is anyone who, due to their professional training, professional experi-
ence and recent professional activity, possesses the requisite skills and expertise to test
equipment. Competent persons with the authority to undertake work on our products are
service technicians of the manufacturer and trained, certified service technicians.
Competent person authorised to test cranes
A competent person qualified to test cranes is a person who, as a result of their profes-
sional training, professional experience and recent professional activity has the required
specialist knowledge for handling and using cranes and is permitted to release cranes or
hoists for operation on the basis of national and local regulations.
1.5 Manufacturer
Columbus McKinnon Corporation
205 Crosspoint Parkway
Getzville, NY 14068
United States
www.columbusmckinnon.com
[phone]

2 Safety-related information
LS Open Loop Vector Motor 4H42, 4H71, 4H72 Manual Supplement
za-o.2.8.41-us-1.1
August 2022
Page 6
za-o.2.8.41-us-1.1
2Safety-related information
2.1 Layout of the warning messages
2.1.1 Section warning messages
Section warning messages relate to an entire chapter or a section and are structured as
follows.
SIGNAL WORD
Type and source of danger
Possible consequences if disregarded

Measures to prevent the danger
2.1.2 Embedded warning messages
Embedded warning messages are placed directly before or after a required action and
are structured as follows.
SIGNAL WORD Type and source of danger, possible consequences if disregarded.
Measures to prevent the danger.
2.1.3 Signal words
The following signal words are used in warning messages.
Signal word
Meaning
DANGER
Indicates a hazardous situation which, if not avoided, will
result in death or serious injury.
WARNING
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
NOTICE
Indicates possible material or environmental damage.
2.1.4 Safety alert symbols
Symbol
Meaning
General hazard
Risk of electric shock
Danger due to falling parts
Hanging load hazard
Danger of crushing

2 Safety-related information
LS Open Loop Vector Motor 4H42, 4H71, 4H72 Manual Supplement
za-o.2.8.41-us-1.1
June 2022
Page 7
za-o.2.8.41-us-1.1
2.1.5 Mandatory action signs
Symbol
Meaning
General mandatory action sign
Information in the enclosed technical documentation must be
observed.
Work must be carried out by a competent person
Work must be carried out by a competent person (qualified
electrician)
Bolted connections must be tightened to the prescribed tightening
torques
2.2 Further symbols
Symbol
Meaning
Important note
Required action
1.
2. Required actions must be performed in the indicated order
→Result of a required action
●List
– List (2nd level)

2 Safety-related information
LS Open Loop Vector Motor 4H42, 4H71, 4H72 Manual Supplement
za-o.2.8.41-us-1.1
August 2022
Page 8
za-o.2.8.41-us-1.1
2.3 Safety notes
All products from Columbus McKinnon are constructed in accordance with state-of-the-art
engineering and the recognised safety rules. However, during use danger to the life and
limb of the user or a third party can arise, or adverse effects can affect the p
roduct and
other property.
Observe the following:
●The permissible environmental conditions must be observed.
●The work performed must be carried out by authorised personnel only.
●The information in the enclosed technical documentation must be observed.
●The product must only be operated in a satisfactory condition.
●The national and local safety and accident prevention regulations, the occupational
safety acts and environmental provisions must be observed.
●All damage and defects on the product must be reported to the supervisor responsi-
ble immediately. The product must not be used until the defects have been remedied.
●Signs, labels, or pictograms that are applied to the product must be observed and
must not be removed.
●Damaged signs, labels or pictograms must be replaced by new signs, labels or picto-
grams.
2.3.1 Intended use
The product may only be used for the intended application in accordance with the tech-
nical documentation and the information on the rating plate, and any additional stickers
present. Intended use also includes proper assembly, electrical installation and mainte-
nance.
For products that are declared as partly completed machinery, commissioning is forbid-
den until it is determined that the machinery into which this product is installed complies
with the provisions of the EC Directives or other national and local regulations.

2 Safety-related information
LS Open Loop Vector Motor 4H42, 4H71, 4H72 Manual Supplement
za-o.2.8.41-us-1.1
June 2022
Page 9
za-o.2.8.41-us-1.1
2.3.2 Prohibited use
The user, and not the manufacturer, is liable for all personal injury and material damage
that arises due to prohibited use. Liability on the part of the manufacturer is excluded in
this case.
Prohibited uses are:
●A failure to follow the specifications and notes provided in these instructions.
●A failure to follow information on the rating plate, the additional stickers and warning
signs that are applied to the product.
●Use of the product in applications for which it is not intended.
●Impermissible changes and modifications.
●Operation in a damaged condition.
●Improperly performed repairs.
2.3.3 User obligations
The user must ensure the following:
●Personnel are qualified and trained regularly.
●All persons who work on or with the product have read and understood the
associated instructions.
●Planning, assembly and electrical installation are performed correctly.
●A test is carried out prior to commissioning.
●The satisfactory condition of the product is maintained through maintenance
measures.
●In the event of defects relevant to safety, operation is discontinued immediately.
●Only spare parts that are approved by the manufacturer are used.
●Personnel are provided with the prescribed personal protective equipment.

2 Safety-related information
LS Open Loop Vector Motor 4H42, 4H71, 4H72 Manual Supplement
za-o.2.8.41-us-1.1
August 2022
Page 10
za-o.2.8.41-us-1.1
2.3.4 Personal protective equipment
Personal protective equipment must be worn at all times during activities that can cause
injuries or endanger health.
To be worn at all times
Work protective clothing
Work clothes with low tear resistance, with narrow sleeves and no
protruding parts, to protect against being caught by moving machine
parts. Do not wear rings, chains or other jewellery.
Safety shoes
For protection against heavy falling parts and slipping on slippery
surfaces.
Wear in unusual environmental conditions
Safety eyewear
To protect the eyes from any stray flying parts and splashes of liquid.
Hearing protection
To protect against hearing damage.
Safety helmet
For protection from falling parts.
Safety gloves (only if there is no entanglement hazard)
To protect hands from friction, abrasions, punctures or deep injuries as
well as from contact with hot surfaces.
Safety harness
It is necessary to provide work rigs or lifting platforms for any
maintenance and repair work that cannot be carried out from floor level.
Service technicians who work outside lifting platforms must be safe-
guarded with a safety harness.