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10.5.10 Screw couplings CP 2250, CP 3050 and CP 4250

n percussi

e tools such as hydraulic breakers, the

screw  couplings  are  subjected  to  particularly  high
loads.  During  the  first  50  operating  hours  the  screw
couplings  on  the  breaker  must  be  checked  daily,
thereafter  once  a  week  (e

cept of tie rods and high

−

pressure accumulator). Tighten any loose connec
tions without e

ceeding the prescribed tightening

tor

ue.

The following screws

couplings must be checked

ÂÂÂÂÂÂÂÂ

Connection point

ÂÂÂ

Part

no.

ÂÂÂÂÂ

Interval

ÂÂÂÂÂÂÂ

CP 2250

ÂÂÂÂÂÂÂ

CP 3050

ÂÂÂÂÂÂÂ

CP 4250

Type of spanner......size.....Nm

Adapter

daily

Allen key size 22

500 Nm

Allen key size 27

2300 Nm

Tensioning bolts

KKK

sound check

weekly

Tor

ue wrench

Power wrench

size 55

size

size 75

Allen screw

(

e co

control

in case of

repair

Allen key size

0 Nm

crew plug

(Perc. chamber

entilation)

in case of

repair

panner size 4

200 Nm

Filling

»G«

crew plug

in case of

repair

ocket spanner size 22

30 Nm

Allen key size 5

20 Nm

Connections

»P«

and

»T«

weekly

−

Jaw spanner size 50

400 Nm

Allen screws for
flanges

weekly

Allen key size

30 Nm

Allen key size

0 Nm

High

−

pressure

accumulator

KKKK

(connecting screws)

weekly

Allen key size

350 Nm

ocket spanner size 30

Hose connections
CP

−L

ube

weekly

ocket and jaw spanners of

arying sizes

Apply anti

−

seize to the threads of the cylindrical

bolts  before  screwing  them  in.
The  contact  face  of  the  bolt  head  and  the  locking
rings  must  be  free  of  lubricant.

nly possible when adapter has been remo

Note

Tensioning bolts

Visual check and

or sound check by metallic hitting

of the upper he

agons

washers thru the ser

ice ope

nings of breaker bo

KKK

Tightening the tensioning bolts for

CP 2250

Pre

−

tighten nuts in diagonally opposed pairs to

500 Nm,

then tighten in diagonally opposed pairs by a fur
ther

20° (2 sides of he

agonal head),

then finish tighten in diagonally opposed pairs by

20°

(2 sides of the he

agonal head).

KKK

Tightening the tensioning bolts for

CP 3050

and

CP4250

Pre

−

tighten nuts in diagonally opposed pairs to

500 Nm,

then tighten in diagonally opposed pairs by a fur
ther

20° (2 sides of he

agonal head),

then finish tighten in diagonally opposed pairs by

0°

(3 sides of the he

agonal head).

KKKK

Tightening the e

pansion bolts on high

−

pres

sure accumulator

CP 3050

and

CP4250

. Treat the threads and HeliCoil thread inserts for

the e

pansion bolts with an Anti

−S

eize agent.

2. Treat the surfaces between the bolt head, washer,

and high

−

pressure accumulator co

er with Anti

−

eize agent.

3. Place on the high

−

pressure accumulator, and tigh

ten the e

pansion bolts by hand in a crosswise

fashion.

4. Pretighten the e

pansion bolts to

00 Nm, pro

ceeding in a crosswise fashion,

5. then tighten each bolt through 30° in a crosswise

fashion,

. finally tighten each bolt again through

0° in a

crosswise fashion.

Содержание CP 1150

Страница 2: ......

Страница 3: ...ker CP 550 CP 750 CP 1150 CP 1650 CP 2250 CP 3050 CP 4250 E Chicago Pneumatic Any unauthorized use or copying of contents or any part thereof is prohibited This applies in particular to to trademarks model denominations part numbers and drawings ...

Страница 4: ...he excavator hydraulic aspects 18 6 5 Switching the hydraulic breaker on off from the carrier 19 6 6 Dismounting the hydraulic breaker from the excavator for short or lengthy periods of non use 19 6 6 1 Dismounting from excavator 19 7 Storage 20 7 1 Hydraulic breaker 20 7 1 1 Short storage 20 7 1 2 Long storage 20 7 1 3 How to proceed after more than twelve months storage 20 7 1 4 Working tool 21 ...

Страница 5: ...ing the impact face of the percussion piston 36 10 5 6 Checking the breaker box for wear and cracks and checking the adapter for cracks 36 10 5 7 Screw couplings CP 550 and CP 750 37 10 5 8 Screw couplings CP 1150 38 10 5 9 Screw couplings CP 1650 39 10 5 10 Screw couplings CP 2250 CP 3050 and CP 4250 40 10 5 11 Checking pressure in piston accumulator and refilling if required 42 10 5 12 Checking ...

Страница 6: ...egula tions which are listed at the beginning of this man ual and repeated in the relevant sections Responsibility for the observation of these safety regulations lies at all times with the operator All safety regulations listed in this manual comply with the laws and regulations of the European Union Additional national regulations have also been taken into consideration wherever applicable Hydra...

Страница 7: ...he valid local statutes and regula tions shall apply Please observe any other more stringent national regional regulations and legisla tion Explanation of the symbols used in this operating instructions To emphasise their importance certain points in the operating instructions are marked with symbols which are described below DANGER Note The marked text provides instructions on the correct use of ...

Страница 8: ...uirements are to be observed e g in Germany an authorized person inspection body is to inspect and certify the system on site before put ting it into use Fitting and removing the working tool Always wear protective glasses when fitting or re moving the working tool since metal splinters may fly off when hammering out the locking bolts The working tool should only be fitted in the way de scribed in...

Страница 9: ...rative that all bolts be replaced If any significant changes are made to the hy draulic system a new acceptance inspection is to be carried out in accordance with the relevant national safety provisions Note Check the pressure accumulator in accordance with the national safety provisions We recommend five yearly maintenance intervals Dismounting the hydraulic breaker Dismounting the hydraulic brea...

Страница 10: ...roup max operating pressure Year of construction of product group Atlas Copco Construction Tools EssenGermany Made in Germany Type Ser No Deliv wt P max Year The CE nameplate contains information on the unit breaker and breaker box All weights indicated refer to the weight of this unit When selecting hoists and suspension aids for trans porting the unit the weights of the working tool and adapter ...

Страница 11: ...truction Demolition tearing up trenching foundation work Mining and quarrying Primary breaking bench leveling reducing mineral raw materials and rocks tunnel construction Under normal circumstances the hydraulic breaker is operated from the driver s cab of the carrier Please refer to Sections 2 and 6 5 4 2 Scope of supply The scope of supply of a hydraulic breaker generally includes Hydraulic brea...

Страница 12: ...or assemblies CP 550 and CP 750 CP 550 CP 750 CE nameplate CE name plate cylindercover cylinder hammerbox lower hammer part The graphic shows only a general view of the main components Details may vary on different breaker models working tool ...

Страница 13: ... CP 1650 CP 1650 CE name plate CP 1150 CE nameplate working tool hammer box cylinder cover The graphic shows only a general view of the main components Details may vary on different breaker models cylinder High pressure accumulator lower hammer part ...

Страница 14: ...CP 4250 hammer box cylinder cylinder cover lower hammer part CP 2250 CP 3050 CP 4250 Sealing flange CE name plate working tool The graphic shows only a general view of the main components Details may vary on different breaker models High pressure accumulator ...

Страница 15: ...echnical grounds hydraulic oils are currently being used which are not classified as HLP mineral oils Before using hydraulic oils of this kind it is imperative to ask the carrier manufacturer whether operations with such hydraulic oils are possible Our tools are basically designed for use with mineral oils Before using other hydraulic oil types which have been approved by the carrier manufacturer ...

Страница 16: ...e breaker box with two screws referring to Sec tion 6 3 Then fit all screws The required sizes for the Allen keys are shown below Apply anti seize to the threads of the cylindrical bolts before screwing them in The contact face of the bolt head and the locking rings must be free of lubricant ÂÂÂÂÂÂÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Model ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Type of spanner size CP 550 CP ...

Страница 17: ... whether the bores are flush To mount the hydraulic breaker carefully lower the stick of the boom into the adapter An assistant di rects the movement of the stick until the bores in the stick are flush with those in the adapter Then insert the stick pin and lock Stick Adapter Stick pin Hydraulic breaker Lift up the hydraulic breaker Extend the shovel cylinder until the bore in the toggle is flush ...

Страница 18: ...eturn oil flow The pressure relief overflow line must run direct from the pressure relief valve to the tank to ensure the reliable functioning of the valve Do not run any hydraulic lines for attachment of the hydraulic breaker through the driver s cab Hydraulic lines may spring a leak or even burst re leasing hot hydraulic oil CP 2250 Unscrew the blank flanges from ports P and T and put them in th...

Страница 19: ...n use 6 6 1 Dismounting from excavator Unless otherwise stipulated the hydraulic breaker is dismounted in reverse order to mounting Before mounting dismounting the hydraulic tool and or any maintenance work on the hydraulics of the hydraulic tool carrier the hydraulic system must be depressurized For safety reasons the carrier must be switched off before performing the following work Lay the hydra...

Страница 20: ...e filling hose in the filling valve to let the gas escape CAUTION Environmental damage due to hydraulic oil Hydraulic oil is environmentally harmful and must not penetrate the ground or the water Collect any hydraulic oil which runs out and dispose of it in accordance with the applicable regulations to avoid environmental hazards Oil may run out when pushing the percussion piston up H Remove the c...

Страница 21: ... Working tool H Grease the working tool with chisel paste to pre vent it corroding H Store the working tool in a dry properly ventilated room H Store the working tool so that it cannot topple over or roll down ...

Страница 22: ...ble tools The working tools must be adequately cooled during remachining using a suitable coolant Never weld or flame cut the working tools The high temperatures involved will modify the micro structure of the tool 8 1 1 Working tools for hydraulic breakers CP 550 ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Designation ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Application Standard des...

Страница 23: ...23 8 1 3 Working tools for hydraulic breakers CP 1150 CP 4250 Moilpoint Universal use Flat chisel cross cut Mining foundations trenching demolition Blunt tool Mining breaking oversizes demolition ...

Страница 24: ...al chips may fly off when the locking pins are hammered out Insert an ejector drift screwdriver or similar object into the bore in the lower breaker part and push in as far as it will go see diagram Push up retaining pin from below with screwdriver or similar object and pull it out the rest of the way by hand Note Retaining pins are wear parts Remove the protective cap from the bore for the workin...

Страница 25: ...and using the screw to pull out the bar Remove the dust cap from the working tool bore and put it in the toolbox for safekeeping Clean away any dirt adhering to the working tool in the insertion zone then thoroughly lubricate the shaft of the working tool and the bushes with chisel paste Clean away any dirt adhering to the working tool in the insertion zone then thoroughly lubricate the shaft of t...

Страница 26: ...hout first ap plying contact pressure since this could cause dam age to the carrier Stop the hydraulic breaker immediately as soon as persons are in the danger zone The danger zone during the breaker operation is consider ably greater than during the excavation oper ation on account of fractions of stones and pieces of steel flying around and for this rea son the danger zone must depending on the ...

Страница 27: ...breaker being transferred to the material being broken Excessive rocking will however cause bending strains resulting in damage to the working tool and the hydraulic breaker 9 5 Never drive the working tool into the ground If the advance step is too large or the breaker is not rocked to allow dust to escape the working tool will be driven into the material without breaking it suffi ciently The tip...

Страница 28: ...plication 9 9 Using the hydraulic breaker in or under water The hydraulic breaker must never be used in or under water without prior conversion In order to avoid damage to the hydraulic breaker Chicago Pneumatics has developed a special con necting kit for underwater applications containing all necessary components incl safety equipment to keep water out of the lower breaker part by means of compr...

Страница 29: ...he carrier and the hydraulic breaker are left out in the open the carrier and all equipment must be warmed up before the hydraulic breaker can be started up The excavator manufacturer s regula tions must be observed in full Ensure that the hydraulic oil in the carrier is at least at 0 C The hydraulic breaker cannot be started up until the oil temperature is over 0 C Please observe the excavator ma...

Страница 30: ...e note that working tools may still be very hot at the point cutting edge even after work has stopped For preference chisel paste should be used for lubri cation 5 10 shots from a hand held grease gun are sufficient Lubricating interval approximately every 2 5 hours per shift The required lubricant level has been reached when grease starts to emerge from the bores for the retai ning pins or from t...

Страница 31: ...ergency lubrication 10 2 3 Operating the CP Lube Please observe the following information H CP Lube is self bleeding i e the system requires no additional bleeding H The cartridge is made of transparent recyclable plastic PE so the lubricant level in the cartridge can be monitored at all times from the driver s cab by observing the position of the piston which is red H The piston end of the cartri...

Страница 32: ... can be recycled CP Lube rear side CP 750 rear side CP Lube CP 1150 CP Lube rear side CP 1650 CL CP Lube rear side CP 2250 CP 3050 CP 4250 10 3 1 Filling device for the chisel paste The Chicago Pneumatics offers a filling device to re fill emptied cartridges which is fitted on a 45 kg grease container and allows empty cartridges to be refilled as required 500 g cartidges for CP Lube in a carton of...

Страница 33: ...ica tion fitted check level replace cart ridge if necessary H Check hydraulic lines for leaks H Check spring dowel sleeve at the retaining pin have not come loose H Check wear to lower wear bushes H Replace dam aged hoses H Check pipe clamps on carrier H Tensioning bolts Visual check and or sound check by metallic hitting of the upper hexagons washers thru the service openings of breaker box H Che...

Страница 34: ...atest after 100 operating hours If the shaft of the tool has worn down to below the permissible minimum ÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂ Model ÂÂÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂÂÂ Minimum diameter D CP 550 CP 750 CP 1150 CP 1650 CP 2250 CP 3050 CP 4250 77 mm 97 mm 111 mm 131 mm 145 mm 160 mm 175 mm Any burring on the working tool must be smoothed off carefully D ...

Страница 35: ...nside diameter The measured diameter must not exceed the maxi mum dimension ÂÂÂÂÂÂ ÂÂÂÂÂÂ ÂÂÂÂÂÂ ÂÂÂÂÂÂ Model ÂÂÂÂÂÂ ÂÂÂÂÂÂ ÂÂÂÂÂÂ ÂÂÂÂÂÂ j template ÂÂÂÂÂÂ ÂÂÂÂÂÂ ÂÂÂÂÂÂ ÂÂÂÂÂÂ max permiss ible diam CP 550 CP 750 CP 1150 CP 1650 CP 2250 CP 3050 CP 4250 80 100 115 135 150 165 180 83 mm 103 mm 120 mm 140 mm 155 mm 170 mm 185 mm CP 750 CP 4250 When the lower wear bushing is replaced the inside diamet...

Страница 36: ... face of the percussion piston has to be checked for wear or damage every time the working tool is changed and at latest every 100 operating hours Once the working tool has been removed shine a torch onto the impact face If chipping or wear is detected do not resume work with the hy draulic breaker and inform the Chicago Pneumatic Customer Center dealer in your region 10 5 6 Checking the breaker b...

Страница 37: ...ons CP Lube 5 weekly Socket and jaw spanners of varying sizes Screw plug Perc chamber ventilation 6 in case of re pair Jaw spanner size 41 200 Nm K Apply anti seize to the threads of the cylindrical bolts before screwing them in The contact face of the bolt head and the locking rings must be free of lubricant The tie rods are only accessible when the breaker has been removed from the hammer box No...

Страница 38: ...anner size 41 200 Nm Filling valve G Screw plug 5 in case of repair Socket spanner size 22 130 Nm Allen key size 5 20 Nm Connections P and T 6 weekly Jaw spanner size 46 160 Nm Connection CL 7 weekly Jaw spanner size 27 200 Nm Jaw spanner size 14 20 Nm Hose connections CP Lube 7 weekly Socket and jaw spanners of varying sizes High pressure accumulator 8 weekly Allen key size 14 350 Nm K Apply anti...

Страница 39: ...ize 30 Connection CL 9 weekly Jaw spanner size 27 200 Nm Jaw spanner size 14 20 Nm Hose connections CP Lube 9 weekly Socket and jaw spanners of varying sizes K Apply anti seize to the threads of the cylindrical bolts before screwing them in The contact face of the bolt head and the locking rings must be free of lubricant Note Tensioning bolts Visual check and or sound check by metallic hitting of ...

Страница 40: ...kly Socket and jaw spanners of varying sizes K Apply anti seize to the threads of the cylindrical bolts before screwing them in The contact face of the bolt head and the locking rings must be free of lubricant KK Only possible when adapter has been removed Note Tensioning bolts Visual check and or sound check by metallic hitting of the upper hexagons washers thru the service ope nings of breaker b...

Страница 41: ...n CP 3050 and CP 4250 the connec tion points 6 and 7 are on the sides of the cylinder cover Tensioning bolts Visual check and or sound check by metallic hitting of the upper hexagons washers thru the service openings of breaker box 9 CP 2250 CP 3050 CP 4250 View X without hammer box ...

Страница 43: ... on the nitrogen cylinder H Open the pressure relief valve fully to allow any residual gas to escape H Remove the pressure relief valve and if required the adapter G Minimess port Pressure gauge Nozzle Pressure relief valve gas cylinder valve Adapter CAUTION Only use the hose nozzle to relieve the pressure Never use nails screwdrivers or similar objects for this purpose as they will damage the fil...

Страница 44: ...lines before starting work Carry out a visual check on all lines pipes and hoses from the pump to the hydraulic breaker and back to the tank Tighten any loose screw couplings and hose clamps Damaged pipes hoses must be replaced 10 5 14 Checking the adapter bolts for wear This visual check is only possible when the hydraulic breaker has been dismounted from the excavator If excessive wear is detect...

Страница 45: ...ccumula tor too high Check pressure in piston accumu lator reset to correct value Excavator driver Oil level in tank too low Refill oil Excavator driver Defective screw couplings block ing pressure or return line Replace defective coupling halves Workshop Electrical equipment for breaker hydraulics defective Check electrical equipment for breaker hydraulics Workshop Magnet on switch on valve defec...

Страница 46: ...g hydraulic breaker axis Correct boom direction deburr working tool check wear to work ing tool and wear bushes Excavator driver Inside diameter of return line too small Change inside diameter Refer to Section 13 Technical specifications Workshop Return pressure too high Check and lower return pressure Chicago Pneumatic Customer Center dealer in your region Hydraulic oil returns to tank via valve ...

Страница 47: ...ÂÂÂÂÂ Remedy ÂÂÂÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂÂÂÂ by No gas in piston accumulator Fill piston accumulator Excavator driver O rings defective CP 550 parts 9 and 12 K CP 750 part 103 K CP 1150 parts 120 and 126 K CP 1650 parts 17 and 51 K CP 2250 parts 18 and 20 K CP 3050 and CP 4250 parts 28 and 42 K Replace O rings Workshop K parts nos refer to valid spare parts lists 11 5 Oil leaks from ports P an...

Страница 49: ...speed Reset pump Excavator driver Chicago Pneumatic Customer Center dealer in your region High outside temperature and no oil cooler fitted Fit oil cooler Workshop or Chicago Pneumatic Customer Center dealer in your region Pressure relief valve defective or valve with a bad characteristic curve Fit new type tested pressure relief cartridges or a more precise pres sure limiting valve Workshop 12 Di...

Страница 50: ...t 170 190 190 160 Working tool diameter mm 80 100 115 135 Piston accumulatorKKK Minimum gas pressure bar Required gas pressure bar 14 0 17 3 9 5 11 9 5 2 7 0 5 3 8 2 Sound pressure level measured Lp dB A r 10 m 87 90 90 87 Sound power levelKKKK garanteed LWA dB A 116 120 120 117 Connecting thread on ports P and T up to SN 299 M 36 x 2 24 concial seal from SN 300 on M 26 x 1 5 24 concial seal M 36 ...

Страница 51: ...essure relief valve for breaker circuit 200 200 Working tool diameter mm 150 165 180 Piston accumulatorKKK Minimum gas pressure bar Required gas pressure bar 12 0 15 5 12 5 16 0 8 6 11 5 Sound pressure level measured Lp dB A r 10 m 91 93 92 Sound power levelKKKK garanteed LWA dB A 121 122 122 Connecting thread on ports P and T Connection flange SAE 1 1 4 6000 psi 1 5 8 12 UNF JIC Konus 37 Inside d...

Страница 52: ... adapter bolts 44 H Checking the breaker box for wear and cracks and checking the adapter for cracks 36 H Checking the hydraulic lines 44 H Checking the impact face of the percussion piston 36 H Checking the retainer bars CP 1150 CP 4250 36 H Checking the retaining pin for wear 36 H Checking the wear bushes 35 H Checking the working tool for wear 34 H CP 550 and CP 750 24 D H Dismounting from exca...

Страница 53: ...from high pressure accumulator 48 H Oil leaks from parts of hydraulic system for brea ker 48 H Oil leaks from ports P and T 47 H Oil leaks from working tool 48 H Oil or grease leaks from CP Lube 49 H Operating temperature too high 49 H Operating the breaker 29 H Operating the CP Lube 31 H Operating the hydraulic breaker 26 R H refilling if required 42 H Removing the tool 25 S H Scope of supply 11 ...

Страница 54: ...54 ...

Страница 55: ...55 ...

Страница 56: ......

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