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Volvo BHL Service Information Download Page 21

Service Information

Document Title:

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Date:

Pressure setting and leak
detection

191

Service Information

2014/3/20

Profile:
BHL, BL70 [GB]

Pressure setting and leak detection

WARNING

Hot hydraulic oil and hydraulic oil under pressure may result in severe personal injuries

Observe the following safety precautions:

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
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Lever and pedal movements should be made slowly in order to avoid sudden or unexpected machine movements
and excessive pressures.
Interrupt the pressure increase as soon as the specified pressure has been reached.
Make changes in small increments when setting pressure adjustment devices whose sensitivity is not known. This is
especially important with regard to the servo circuit, which is pressurized as soon as the engine is started.
Check and calibrate the pressure checking equipment regularly and replace damaged components.

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Summary of Contents for BHL

Page 1: ...ippery machine parts instead of using a ladder grabs on to hoses instead of the provided handles or uses the wrong tools for the job Always use genuine intended and adapted spare parts to maintain safe and efficient machine function Machines seldom cause accidents Instead people do A safety conscious person and a well maintained machine constitute a safe efficient and profitable combination Any pe...

Page 2: ...spective where permitted limits have been determined and given according to international standards A machine or device which meets the requirements should be CE marked Our machines have been specifically tested for electromagnetic interference The CE marking of the machine and the declaration of conformity also cover the EMC directive If other electronic equipment is fitted to this machine the eq...

Page 3: ...rtant that the operator reads and follows the instructions in the machine s Operator s Manual An untrained operator may cause serious injuries and fatalities Never operate a machine for which there is no Operator s Manual available Learn to understand the warning plates symbols and operating instructions for the machine before you start operating A few simple safety rules General Remedy faults or ...

Page 4: ...ut all safety checks prescribed in the Operator s Manual WARNING Never operate the machine if you are tired or under the influence of alcohol medicine or other drugs Before starting the engine indoors make sure that the extraction capacity of the ventilation system is sufficient The machine is provided with a diesel engine and the exhaust gases may be dangerous to your health Make sure the ventila...

Page 5: ...gine is running Respect the warning lamps The red lamps require immediate action or consideration see instructions in the Operator s Manual under the instrument panels section Apply the parking brake and make sure that the attachment attachment bracket is resting on the ground before you leave the machine Unless you are putting the machine in a service position Place gearshift lever and control le...

Page 6: ...ine should roll over See further under CE marking Before you begin any service work on the machine Service work which is not carried out in the correct way is dangerous Make sure you have sufficient knowledge correct information tools and equipment to carry out the service in a correct way Repair or change broken tools and equipment Position the machine on level ground and prepare it for service b...

Page 7: ... must be taken care of in an environmentally correct way Discarded batteries contain substances dangerous to the environment and they should therefore be handled in an environmentally safe way according to national regulations Oils liquids Oil released or spilled onto the ground will harm the environment and could also cause a fire When emptying draining oil or fuel steps should therefore be taken...

Page 8: ... have a corrosive effect on mucous membranes for example in eyes and throat and on skin Therefore take special care to keep such oils away from these sensitive body parts When emptying draining oils or fuel steps must be taken to avoid unnecessary spills In places where a container for collecting the liquid cannot be used use a pump or connect a hose to ensure safe handling Oil released or spilled...

Page 9: ...onsibility if any lifting devices tools or work methods are used other than those described in this publication If a jack is to be used make sure that the ground or floor is even and is sufficiently firm or strong to support the expected load Prevent the machine from rolling by applying the parking brake and placing suitable wedges on both sides of the wheels which are not to be raised off the gro...

Page 10: ...ut before beginning any work Figure 1 Securing loader arm 1 2 Spring cotter Pin 1 2 3 4 Raise the loader arm to the upper position Disconnect the spring cotter Remove the pin and lower the safety strut in position over cylinder rod Fit the pin and connect the spring cotter Lower the loader arm until it rests on the safety strut Figure 2 Securing loader arm WARNING Check that the safety strut is po...

Page 11: ... that you take great care and follow the rules below when you are working with batteries Follow these instructions when charging batteries Batteries give off explosive gases Never smoke near batteries Figure 2 Do not smoke near batteries Begin by disconnecting the ground lead when removing a battery In order to reduce the risk of sparks that can cause fire always connect the ground lead last when ...

Page 12: ...ircuit open flame or spark near the battery can cause a powerful explosion Always turn off the charging current before disconnecting the charging clamps Ventilate well especially if the battery is charged in a confined space Corrosive sulphuric acid The battery electrolyte contains corrosive sulphuric acid Electrolyte spilled on bare skin must be removed immediately Wash with soap and plenty of wa...

Page 13: ...t in personal injuries Follow these steps 1 2 3 4 5 6 7 8 9 Move the gear selector to neutral Apply the parking brake Check that the booster batteries or other power source have the same voltage as the standard batteries Do not disconnect the cables to the standard batteries Connect on the booster battery to on the battery nearest the starter motor Connect the other start cable from on the booster...

Page 14: ... key to the 0 position leave the cab turn off the battery disconnect switch start fighting the fire and call the fire department if necessary Figure 2 Smoking and open flames are absolutely forbidden when filling fuel or any time diesel fuel is in contact with the open air Smoking or open flames are absolutely forbidden close to the machine when filling fuel or at any time the fuel system is in co...

Page 15: ...When unfused cables have been disconnected it is important to check that they are re connected and clamped in such a way that they cannot be exposed to chafing Unfused cables must not rest against oil and fuel hoses When fitting any optional equipment make sure that all cables circuits are connected across a fuse and routed and clamped so that there is no risk of chafing Fuel hydraulic and brake s...

Page 16: ...ng a machine damaged by fire For this reason never use high pressure washing equipment Never touch burned components or parts with your bare hands when there is a risk that you may be exposed to contact with melted polymers First wash thoroughly with plenty of lime water a solution or a suspension of calcium hydroxide i e slaked lime Use thick protective gloves made of rubber and wear goggles that...

Page 17: ...ngs or lock rings when the tyre is inflated Tyres used at less than 80 of normal pressure and rims or tyres suspected of being damaged should not be inflated with the wheel attached to the machine Fitting of tyres and rims Handling of tyres should be performed by authorised personnel only The tyre should be deflated before removal from the machine Never install a tyre on a rim that has not been re...

Page 18: ...drill bit WARNING If the pressure is not released before opening the system oil under high pressure will jet out resulting in serious personal injuries Pressure release When the engine has been stopped there remains an accumulated pressure in the system The remaining pressure in the system must be lowered so called depressurization releasing pressure before hose connections plugs etc are opened in...

Page 19: ...nd the environment The following safety instructions must be followed Do not weld or cut near polymer materials rubber and plastics without first protecting them from the heat Never burn polymer materials when scrapping them Be careful when handling machines that have been exposed to fire or other intense heat Also refer to Checklist after a fire or other heat exposure Always use protective gloves...

Page 20: ...chines after a fire WARNING Burning of painted parts plastic or rubber parts constitutes a health hazard Decontamination The area around a heated part that is suspected of being made of fluor rubber must be decontaminated by thorough and ample washing with lime water a solution or suspension of calcium hydroxide that is slaked lime in water After the work has been completed wash the protective glo...

Page 21: ...utions Lever and pedal movements should be made slowly in order to avoid sudden or unexpected machine movements and excessive pressures Interrupt the pressure increase as soon as the specified pressure has been reached Make changes in small increments when setting pressure adjustment devices whose sensitivity is not known This is especially important with regard to the servo circuit which is press...

Page 22: ...governing regulations for your country and follow them Figure 1 Type plate for refrigerant position Refrigerant R134a is used in the air conditioning unit see also Section 8 The type of refrigerant and the amount to be filled are shown on the type plate NOTE R134a adds to the greenhouse effect and should never be intentionally released into the open air Personal protective equipment Figure 2 Prote...

Page 23: ...e that any escaped gas is ventilated before work is started in any low lying areas Smoking welding or other open flames are not allowed in a workplace where work with refrigerant is in progress The refrigerant gas will then burn and form a toxic gas which is very dangerous to inhale The gases formed when heating the refrigerant have a pungent smell at high concentrations The symptoms may appear se...

Page 24: ...file C Users app Documents yeqiwen END txt 2014 3 20 9 09 28 Thank you for your purchase Have a nice day ...

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