Service Training
Single Drum Roller BW 177 / 179 DH / PDH-4
Teile-Nr. 008 099 92
10/2004
Service Training Table of contents Foreword
A1
Documentation
A2
General
A3
New developments
A5
Technical data and adjustment values
B1
Maintenance
C1
Maintenance chart
C2
DEUTZ diesel engine with EMR
D1
Service side
D2
Starter side
D3
Lubrication oil circuit
D4
Coolant circuit
D5
Fuel system
D6
EMR
D10
Trouble shooting
D22
Diagnose SERDIA
D24
Checking and adjusting the valve clearance
D26
Assembly of the plug-in injection pump
D28
Engine components
D44
Travel system
E1
Travel pump
E3
Control
E7
Charge pressure relief valve
E8
High pressure relief valve
E9
Pressure override
E11
Axle drive motor
E14
Drum drive motor
E17
Test and adjustment points, travel system
E19
Trouble shooting travel system
E27
BW 177 / 179 DH / PDH -4
Service Training Vibration
F1
Vibration pump
F3
High pressure relief valves
F6
Control
F7
Vibration motor
F8
Drum
F11
Test and adjustment points, vibration system
F13
Trouble shooting vibration
F15
Steering
G1
Charge pump
G2
Steering pump
G3
Steering valve
G5
Articulated joint
G7
Measuring and adjustment points
G9
Trouble shooting steering
G10
Electrics H1 Wiring diagram Hydraulic diagram
BW 177 / 179 DH / PDH -4
Service Training Foreword and novelties Reliable construction equipment is of greatest advantage for all parties involved: • for the customer/user it is a basis for an exact calculation of utilization periods and the completion of projects as scheduled. • in the rental business it means that the equipment can be reliably used and planned without having to stock a large number of stand-by machines. • for the manufacturer it means that customers are satisfied, provides him with a good image and gives him a feeling of confidence. It is BOMAG’s philosophy to design and produce the machines with highest possible reliability. This aspect of simple and easy maintenance was one of the key issues when developing and designing the machine: • the location of components in the machine eases maintenance work, • the high quality standard of BOMAG is the basis for the considerable extension of the service and maintenance intervals. • the After Sales Service of BOMAG, including excellent operating and maintenance instruction manuals, high quality training courses and on-site machine demonstrations helps the customer to maintain their machines in good condition over a long period of time. Permanent training of BOMAG’s own service personnel as well as the service personnel of BOMAG Profit Centres and dealers is therefore a general prerequisite for BOMAG’s excellent world-wide service. This program of permanent training is only possible with appropriate and up-to-date training material for trainers as well as persons attending the training courses. This training manual has not only been written as a support for the professional work of the trainer, but also for the trainees attending these training courses. The different levels of product training demand, that the training performed by BOMAG, its Profit Centres or its dealers reflects the high quality of the training conducted at the Training Centre at BOMAG in Boppard. For this reason we invested a lot of time in the preparation of these materials . The structure of this training manual enables us to change or up-date individual chapters in case of alterations to the machine.
BW 177 / 179 DH / PDH -4
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Service Training Documentation For the BOMAG machines described in this training manual the following documentation is additionally available: Attention! The currently valid part numbers for the documents can be taken from the Doclist or the Customer Service page in the BOMAG (BOMAG Secured Area) in accordance with the serial number of the machine.
1. Operating and maintenance instructions 2. Spare parts catalogue 3. Wiring diagram * 4. Hydraulic diagram * 5. Repair instructions 6. Service Information * The document versions valid at the date of printing are part of this training manual.
BW 177 / 179 DH / PDH -4
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Service Training General The new single drum rollers BW 177 and 179 DH-4 from BOMAG are essentially further developments of their predecessors, the machines of product range BW 177 DH-3. These machines have been successfully and reliably used for years on construction sites all over the world, especially in earth construction and on sanitary landfill sites. High compaction power and excellent traction are characteristics, which are of utmost importance for this type of machine. All components installed in these machines are manufactured in series production and are subjected to stringent quality tests. This guarantees a high level of reliability and safety. As with many other BOMAG products, and here especially with the large single drum rollers of the new generation, we have decided to use the same successful drive concept with diesel engine (water cooled) and hydrostatic drives also for these machines. The hydrostatic drives transfer the output power of the engine directly to drum, drive wheels and steering. The drive wheels are driven by fast rotating hydraulic motors and axle, whereas the drum is driven by slow running radial piston motors. On construction machines the work place of the operator is of utmost importance. Under such working conditions the health and safety of the operator must be the greatest concern. The cabin is very spacious and clearly arranged. The driver’s seat is very comfortable and can be individually adjusted for every operator, even for his weight. All control elements and gauges are within the reach and in the sight of the operator. A monitoring display with light emitting diodes and clear pictograms informs the operator about any operating faults. The operator is therefore always informed about the present condition of the machine. The generously glazed cabin with windscreen wiper and washer systems for front and rear windscreens, as well as a heated rear windscreen, offers clear vision to all sides.
BW 177 / 179 DH / PDH -4
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Service Training Important characteristics of the new generation of single drum rollers are • strong ROPS/FOPS according to SAE-standard • wear free service brake by closed hydrostatic travel circuits • disc brakes in axle and drum drive motor serve as parking and emergency brakes • high stability due to low centre of gravity and the use of an articulated joint • operating safety due to the use of monitoring boards for all important system data • automatic engine shut-down at too engine temperature, too low hydraulic oil level (when reaching the lowest permissible level the engine will be shut down after 20 seconds) and too low engine oil pressure. The machines of product ranges BW 177 and 179 DH-4 are well designed down to the smallest detail, so that they can meet the toughest demands on large scale construction sites all over the world.
BW 177 / 179 DH / PDH -4
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Service Training Novelties The multi-function travel lever and the display
BW 177 / 179 DH / PDH -4
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Service Training Control, operation, data collector,
BW 177 / 179 DH / PDH -4
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Service Training Diesel engine with EMR
BW 177 / 179 DH / PDH -4
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Service Training Technical data and adjustment values The following pages contain technical data valid at the date of printing (see front page of this manual). Attention! The currently valid technical data and adjustment values can be taken from the BOMAG Intranet or Extranet (BOMAG Secured Area) in accordance with the serial number of the machine.
BW 177 / 179 DH / PDH -4
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BOMAG Central Service
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BOMAG Central Service - Technical data and adjustment values Status: 2004-10-19
Product type:
BW 177 DH Serie 4
Type No.: Serial numbers from:
582 21 101 582 21 1001
Engine: Manufacturer: Type: Combustion principle: Cooling: Number of cylinders: Power acc. to ISO 9249: Power data at nominal speed of: Low idle speed: High idle speed: Spec. fuel consumption: Valve clearance, inlet: Valve clearance, outlet: Opening pressure, injection valves: Starter voltage:
Deutz BF4M2012 EMR 4-stroke-Diesel Water 4 74,9 kW 2200 1/min 900+/-200 1/min 2200 +/-10 1/min 235 g/kWh 0,3 mm 0,5 mm 220 bar 12 V
Travel pump: Manufacturer: Type: System: Max. displacement: Max. flow ratio: High pressure limitation: Pressure override: Charge pressure, high idle:
Bosch-Rexroth A4VG 56 EP Axial piston-swash plate 56 cm3/U 123,2 l/min 475 bar 435+/-15 bar 25+/-1 bar
Reduction gear, drum: Manufacturer: Type: Transmission ratio:
Lohmann-Stolterfoht GFT 17 53,95
Travel motor, rear: Manufacturer: Type: System: Max. displacement (stage 1): Min. displacement (stage 2): Perm. leak oil quantity: Rinsing oil quantity:
Sauer-Danfoss 51D80 RD3N Y7(EP) Axial piston-bent axle 80 cm3/U 15 cm3/U 2 + 10 l/min 10 l/min
Drum drive:
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BOMAG Central Service
Manufacturer: Type: System: Displacement stage 1: Displacement stage 2: Perm. leak oil quantity: Rinsing oil quantity:
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Sauer-Danfoss 51C 060 RD1N 7Y (EP) Axial piston-swash plate 60 cm3/U 12 cm3/U 2 + 7 l/min 7 l/min
Vibration pump: Manufacturer: Type: System: Max. displacement:
Bosch-Rexroth A10VG 45 EP Axial piston-swash plate
45 cm3/U Starting pressure: 360+/-20 bar Operating pressure, soil dependent: ca.100 bar
Vibration motor: Manufacturer: Type: System: Displacement: Frequency: Amplitude:
Sauer-Danfoss MMF 025 PPU Axial piston-swash plate 25 cm3/U 30-40 Hz 1,8/0,9 mm
Steering and charge pump: Manufacturer: Type: System: Displacement: Max. steering pressure:
Bosch-Rexroth HYZ/19 Gear pump 19 cm3/U 190 +/-10 bar
Steering valve: Manufacturer: Type: System:
Sauer-Danfoss OSPC 315 ON Rotary valve
Rear axle: Manufacturer: Type: Differential: Degree of locking: Reduction ratio:
Dana CHC 192/57LD No-Spin 100 % 43,7
Filling capacities: Engine coolant: Engine oil: Hydraulic oil:
15 l (50% Water, 50% Anti-freeze agent on Ethane-diol-basis) 8,5 l (SAE 15W-40, API SJ/CF) 60 l (HVLP 46 VI 150)
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BOMAG Central Service
Vibration bearing housing: Rear axle: Rear axle wheel hubs: Reduction gear, drum: AC refrigerant: Compressor oil (filling the system):
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3,2 l (SAE 15W-40, API SJ/CF) 6,7 l (SAE 90 EP, API GL 5) 0,7 l (SAE 90 EP, API GL 5) 2,5 l (SAE 90 EP, API GL 5) 1300 g (R 134a) 100 ml (PAG Öl)
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Service Training Maintenance Single drum rollers are heavy-duty construction machines for extremely difficult tasks in earth construction. To be able to meet these demands the machines must always be ready to be loaded up to their limits. Furthermore, all safety installations, protections and guards must always be in place and fully functional. Thorough maintenance of the machine is therefore mandatory. This not only guarantees a remarkably higher functional safety, but also prolongs the lifetime of the machine and of important components. The time required for thorough maintenance is only minor when being compared with the malfunctions and faults that may occur if these instructions are not observed. The maintenance intervals are given in operating hours. It is quite obvious that with each maintenance interval all the work for shorter preceding intervals must also be performed. During the 2000 hours interval you must also perform the work described for the service intervals after 50, 250 and 500 hours. During maintenance work you must only use the fuels and lubricants mentioned in the table of fuels and lubricants (oils, fuels, grease etc.). The designation specified under No: in the first column of the maintenance chart refers to the corresponding number of the service work to be performed, as specified in the operating and maintenance instructions. This also helps to find detailed information on the individual maintenance tasks.
BW 177 / 179 DH / PDH - 4
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Service Training
5.7
Check the water separator
X
5.8
Check the fuel level
X
5.9
Check the hydraulic oil level
Inspection glass
5.10 Check dust precleaner
as required
Dipstick mark
every 5000 oper. hours
Check the engine oil level
every 3000 oper. hours
5.6
every 2000 oper. hours
Remark
every 1000 oper. hours
Maintenance work
every 500 oper. hours
No.
every 250 oper. hours
every 10 op. hours, daily
Running in instructions after 50 operating hours
Maintenance table
X
X X
5.11 Check tire pressure
X
5.12 Clean engine oil, fuel and hydraulic oil cooler
X
5.13 Check the drive axle oil level
X
5.14 Check oil level in wheel hubs
X
5.15 Check oil level in vibration bearings
X
5.16 Change engine oil and oil filter elementa
min. 1x per year
X
5.17 Battery service
pole grease
X
5.18 Drain the fuel tank sludge
X
5.19 Change the fuel prefilter element
X
5.20 Check V-belt tension, tighten, replace
X
5.21 Check tension of refrigerant compressor V-belt , tighten, replace
X
5.22 Service the air conditioning
X
5.23 Check, adjust the valve clearance Inlet = 0,3 mm
X
exhaust = 0,5 mm on cold engine
BW 177 / 179 DH / PDH - 4
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5.24 Oil change in vibration bearingsb
see footer, min. X 1x per year
X
5.25 Oil change in drive axle
min. 1x per year X
X
5.26 Oil change in wheel hubs
min. 1x per year X
X
5.27 Replace the fuel filter cartridge
as required
every 5000 oper. hours
every 3000 oper. hours
X
5.28 Check the engine mounts
X
5.29 Retighten fastening of axle to frame
X X
5.30 Tighten the wheel nuts
X
5.31 Check the ROPS 5.32 Clean the oil bath air filter
every 2000 oper. hours
every 1000 oper. hours
every 500 oper. hours
Remark
every 250 oper. hours
Maintenance work
every 10 op. hours, daily
No.
Running in instructions after 50 operating hours
Service Training
X X
min. 1x per year
X
5.33 Change hydraulic oil and breather min. every 2 filterc years
X
5.34 Replace the hydraulic oil filterd
X
min. every 2 years
5.35 Check the injection valves
X
5.36 Replace the toothed belts
min. every 5 years
5.37 Service the combustion air filter
min. 1x per year, safety cartridge min. every 2 years
X X
5.38 Adjust the scrapers
X
5.39 Adjust the parking brake
X
5.40 Change the tires
X
5.41 Replace the fresh air filter in the cabin
X
5.42 Tightening torques
X
5.43 Engine conservation
X
a. Oil change intervals depend on quality of oil and fuel (sulphur content)
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Service Training b. Oil change intervals after 50 h, after 500 h, after 1000 h and then every 1000 h. c. Also after repairs in the hydraulic system d. Also after repairs in the hydraulic system
Note: When changing filters use only the original filters specified in the operating and maintenance instructions for this machine. The installation of incorrect filters (e.g. insufficient pressure resistance) can lead to severe damage on engine or hydraulic components. When using diesel fuel with a sulphur content of more than 0.5%, the oil change intervals must be halved. The same applies when using engine oils of specification API CF/CF-4.
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Service Training Deutz diesel engine The single drum roller of product range BW 177 / 179 DH-4 are driven by a Deutz diesel engine series BF4M 2012 COM2 with electronic engine management (EMR) . The engine is cooled by an external radiator. The cooling fan is mounted to the engine fan block and is directly driven by the engine. These engines are characterized by the following positive features: • short and compact design, • low noise level, • almost vibration-free running, • low fuel consumption, • low exhaust emissions (EPA II), • high power reserves and • good access to all service points. Crankcase and cylinders of this engine are made of alloyed cast iron. This provides strength and ensures high wear resistance. The forged steel conrods are fitted with compensation weights near the conrod bearing seats. These weights compensate manufacturing tolerances with respect to weight and centre of gravity. The pistons are made of an aluminium alloy. The combustion chamber recess is slightly offset from the middle at its side walls are inclined for 10° towards the inside. All pistons are fitted with three piston rings and a cast iron ring carrier for the first ring. The pistons are lubricated by an oil mist. The forged crankshaft is equipped with integrated counterweights. The block-type cylinder head is made of cast steel. Each cylinder is fitted with one intake and one exhaust valve. The valve guides are shrunk into the cylinder head. The valve seat rings are made of high-grade steel and are also shrink fitted.
BW 177 / 179 DH / PDH -4
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Service Training Service side 3
4
2
5
1
6
14
7
13
12
11
10
9
8
Fig. 1: Service side BFM 2012 1
Oil filler neck
8
Fuel pump
2
Valve, boost fuel supply
9
Engine mounting
3
Engine solenoid
10
Fuel filter
4
Oil pressure switch
11
Lubrication oil filter
5
Cooling air blower
12
Oil sump
6
Coolant pump
13
Dipstick
7
V-belt pulley
14
Steering/charge pump
BW 177 / 179 DH / PDH -4
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