Huchez 797 User manual

© 2011 by Huchez Treuils S.A.S.
Jacks
Rack-and-pinion jacks
Reference 797
Instruction manual _________________________ UK
5.360.11

© 2011 by Huchez Treuils S.A.S.
Translation of the original instructions 2UK Reproduction prohibited
REGISTERED DESIGN
To ensure the constant improvement of its products, HUCHEZ reserves the right to change the equipment as
described below and, in this case, to supply products which differ from the illustrations in this instruction
manual.
Reproduction prohibited
Contents
1 - General warning..........................................................................................................................2
2 –Presentation of the machines ....................................................................................................2
3 –Handling –Storage .....................................................................................................................4
4 –Assembly and start-up................................................................................................................5
5 –Servicing and maintenance ........................................................................................................5
6 –Contraindications for use ...........................................................................................................5
7 –Compulsory regulatory checks ...................................................................................................5
8 –Taking out of use ........................................................................................................................6
9 –Spare parts..................................................................................................................................7
1 - General warning
▪Before using this jack, the user must read this instruction manual and comply with all the instructions
in order to ensure the safe and efficient use of the equipment.
▪This instruction manual must be available to all operators. The manufacturer will provide additional
copies on request.
▪Jacks can be used to perform lifting operations in a specific working area. Please ensure that the
operator is qualified to operate the machine in the conditions provided for in this manual. This will
ensure the safety of both people and the environment.
▪Never use this jack with a load that exceeds the maximum load indicated.
▪Jacks may not, under any circumstances, be used to lift people.
▪Before use, the operator must always ensure that the work area is clear and check that the machine,
cable or chain, hook, markings and moorings are in good working order.
▪The manufacturer shall not accept any liability for consequences resulting from the use or installation
of equipment not provided for in these instructions; or for the consequences of removal, modification
or replacement of original parts or components with parts or components from other sources without
the written agreement of HUCHEZ.
2 –Presentation of the machines
Two models available:
▪500-kg model (epoxy paint with polyurethane finish or stainless-steel).
▪1,000-kg model (epoxy paint with polyurethane finish).

© 2011 by Huchez Treuils S.A.S.
Translation of the original instructions 3UK Reproduction prohibited
2.1. Technical specifications and construction:
•Cast-iron structure.
•Reducer with wheel and endless screw.
2.2. Dimensions:
500-kg model
PAINTED MODEL
FORCE kg
Load on the handle
Lifting by turning the handle
Weight kg
500
17
9.4
9
STAINLESS-STEEL MODEL
FORCE kg
Load on the handle
Lifting by turning the handle
Weight kg
500
16
9.4
5.7
Travel: 800 mm

© 2011 by Huchez Treuils S.A.S.
Translation of the original instructions 4UK Reproduction prohibited
1,000-kg model
FORCE kg
Load on the handle
Lifting by turning the handle
Weight kg
1,000
17
4.5
12
2.3. Operation:
The load is lifted or pulled by turning the handle in one direction or the other. For lifting, the load is held in
every position when the handle is released.
3 –Handling –Storage
It is advisable to store the equipment in weatherproof conditions.
Travel: 800 mm

© 2011 by Huchez Treuils S.A.S.
Translation of the original instructions 5UK Reproduction prohibited
4 –Assembly and start-up
The machine must be fastened to a suitable flat surface. Calculate and check that the mounting is
markedly stronger than the nominal operating load.
5 –Servicing and maintenance
Regular lubrication with high-pressure grease (e.g. MOBIL HP222) is necessary.
6 –Contraindications for use
Before using the equipment, check that there are no causes of overloading such as: grip, vacuum,
sticking, etc.
All prohibited and incorrect uses or operations are presented below:
It is prohibited to:
▪lift or press loads in excess of the nominal load indicated on the machine plate;
▪pull at an angle;
▪use the jack to lift staff;
▪walk under a load;
▪insert objects into moving parts;
▪perform operations on a machine while it is loaded;
▪use the machine for operations other than those for which it is designed;
▪use the machines for continuous operations;
▪subject the jack to impacts;
▪motorise the machines;
▪use handles other than the original ones;
▪use machines at temperatures under 10°C or over 50°C.
7 –Compulsory regulatory checks
This equipment has been designed to be tested:
▪in a dynamic situation, with a coefficient of 1.1
▪in a static situation:
-to a coefficient of 1.5 for human powered machines
-to a coefficient of 1.25 for other machines
A periodic maintenance check is required once a year:
In accordance with regulations, the user must keep an inspection booklet recording all the inspections and
operations carried out on the machine (Rule FEM 9755).

© 2011 by Huchez Treuils S.A.S.
Translation of the original instructions 6UK Reproduction prohibited
In France, since 1 April 2005, the owner of a lifting apparatus must:
1. Pursuant to the provisions of the order of 2 March 2004, keep a maintenance log in which the
following must be recorded:
▪Maintenance operations performed in accordance with the recommendations of the manufacturer
▪All other operations (inspection, maintenance, repairs, replacement or changes to the machine)
The following must be recorded for each of these operations: the date of the work, the names of the
people and, where appropriate, the companies which carried out the work, the nature of the operation
and, if it is a regular operation, the periodicity. If the operations involve the replacement of certain
machine components, the references of these components must be indicated.
2. By virtue of the order of 1 March 2004, article R 232.12 of the Labour Code:
Checks during start-up (section 3 of the order - articles 12 to 17):
▪Suitability test (article 5-1): suitable equipment and compliant installation. It must be provided, in
writing, by the user (article 3d).
▪Assembly and installation test (article 5-11): equipment installed according to the instruction manual.
▪Operating test (article 6c or 14-II): loaded with safety tests.
▪Static test (art. 10)
▪Dynamic test (art. 11)
Regular general checks (section 5 of the order - articles 22 to 24):
▪Inspection of the state of preservation (art. 9): equipment kept in good condition, with nothing
missing or added, compliant.
▪Operating test (art. 6b and c): loaded with safety tests.
▪Checks when resuming service (section 4 of the order - articles 18 to 21):
▪Suitability test (art. 5-I): suitable equipment and compliant installation. It must be provided, in
writing, by the user (art. 3d).
▪Assembly and installation test (art. 5-II): equipment installed according to the instruction manual.
▪Inspection of the state of preservation (art. 9): equipment kept in good condition, with nothing
missing or added, compliant.
▪Operating test (art. 19-II): loaded with safety tests.
▪Static test (art. 10)
▪Dynamic test (art. 11)
8 –Taking out of use
If the equipment is in a state of disrepair likely to give rise to risks, the user is obliged to ensure that this
equipment is eliminated, i.e.: prevented from operating and possibly disassembled.

© 2011 by Huchez Treuils S.A.S.
Translation of the original instructions 7UK Reproduction prohibited
9 –Spare parts
797 jacks –500 and 1,000 kg
Key
No.
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
20963
20049
20962
20956
20957
20960
20961
20958
20959
20968
20966
13230
20965
Tube
Grip
Arm
Casing
Endless screw
Rack and pinion
Cover
Toothed wheel
Pin
Rack and pinion
Casing
Key
Base
Please specify the machine serial number when ordering any spare parts.