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NOV/2005 

 

Section D – Page #3 

 

 

PARTS LIST

 

 

I

TEM

 

 

P

ART 

N

UMBER

 QTY 

D

ESCRIPTION

 

I

TEM

 

P

ART 

N

UMBER

 QTY 

D

ESCRIPTION

 

001 KF3-10201 

1  Cylinder 

026 K154037-10025 

1  Spring 

Pin 

002

Ä

 

KHB3R-10106 

Dust Seal   

027 

KF3-3021 

Back Head 

003

Ä

 

KHB3R-10107 

U-Packing   

028

Ä

 

K160011-00018 

O-Ring   

004 KF3-10111 

1  Seal 

Retainer 

029 K15287 

2  Port 

Adapter 

005

Ä

 

KHB2R-10107 

U-Packing   

031

Ä

 

35700832 

O-Ring   

006

Ä

 

KF3-10114 

Seal Ring   

032 

1560039 

GPF Plug 

007

Ä

 

K161021-00065 

O-Ring   

033 

K084891-01000 

GPF Plug 

008

Ä

 

KHB2R-10120 

Plug   

034

Ä

 

K160011-00008 

O-Ring   

009

Ä

 

K160011-10010 

O-Ring   

035 

KF3-36201 

Through Bolt 

010

Ä

 

KF3-10121 

Bushing   

036 

KF3-36202 

Hexagon Nut 

011

Ä

 

35700834 

O-Ring   

 

79140945 

Accumulator 

012 K084891-01000 

3  GPF 

Plug 

037 79140943 

(1) Accumulator 

Cap 

013

Ä

 

35700831 

O-Ring   

038 

79140944 

(1) 

Accumulator Body 

014 K154037-10025 

1  Spring 

Pin 

039 7296022 

(1) Diaphragm 

015 Kf4-10231 

1  Valve 

Adjuster 

040

Ä

 

35700830 

(1) 

O-Ring   

016 KF4-10233 

1  Seal 

Nut 

041 1612260 

(1) Valve 

017

Ä

 

KHB1G-10532 

Seal Washer  

042 

23164410 

(1) 

Cap 

018

Ä

 54910560 

1  Plug 

043  15465 

(1)  Plug 

019 KF3-11101 

1  Piston 

044

Ä

 

11762 

(1) 

O-Ring   

020 KF3-13101 

1  Valve 

045

Ä

 

35700833 

(2) 

O-Ring   

201 KF3-20202 

1  Fronthead 

046 K102032-16060 

(4) Socket 

Bolt 

022 

3308026 

Rod Pin (Retainer) 

047*  

4011560 

Spanner Wrench 

023 3308031 

1  Stop 

Pin 

048 22880062 

1  Anvil 

Bushing 

with Stud 

024

Ä

 

1560036 

Screw Plug   

049* 

22880060 

(1) 

Anvil Bushing 

025 3801280 

1  Grease 

Nipple 

050* 2480325 

(1) Stud 

 

(  ) Bracketed quantities indicate items included with the prior assembly. 

  *Not Shown        

 

Ä

 Part of Seal Kit 68010009

Summary of Contents for Nordco KF3BM

Page 1: ...ers The information contained in this manual is provided at no charge to the customers of the Kent Demolition Tool Company a Division of Gougler Industries inc Kent Ohio We hereby grant to our custome...

Page 2: ......

Page 3: ...done to minimize downtime and to keep the job moving on budget and on schedule With our wide choice of hydraulic hammers pneumatic hammers concrete crushers pedestal units compactor drivers hand held...

Page 4: ...5 PRINCIPLE OF OPERATION SECTION B MAINTENANCE 2 LUBRICATION 4 ACCUMULATOR DISASSEMBLY PROCEDURE 8 ACCUMULATOR RE ASSEMBLY PROCEDURE 10 ACCUMULATOR CHARGING PROCEDURE 14 TORQUE REQUIREMENTS SECTION C...

Page 5: ...NOV 2005 Section A Page 1 SECTION A GENERAL INFORMATION...

Page 6: ...Kg Length 33 3 in 845 mm AEM Impact Energy Rating 162 0 ft lbs 219 6 joules AEM Test Flow Rate 8 96 GPM 33 92 L min AEM Test Frequency 1158 60 BPM 19 31 Hz AEM Supply Line Pressure 1976 86 PSI 136 30...

Page 7: ...the hammer keep hands and fingers clear of the mounting pin holes and linkage Make frequent inspections of the hammer and base machine as described in the Daily Inspection section of this manual Do n...

Page 8: ...h bolts 4 VALVE The valve fits over the piston inside the cylinder and controls the piston reciprocation 5 PISTON The kinetic energy of the piston during the operation of the hammer is converted into...

Page 9: ...when area A1 is connected to the return OUT line The oil pressure on area A2 is greater than the oil pressure acting on area A1 driving the piston upward At the end of the return stroke the valve shi...

Page 10: ...Section A Page 6 NOV 2005 This page intentionally blank...

Page 11: ...NOV 2005 Section B Page 1 SECTION B MAINTENANCE...

Page 12: ...g near the anvil refer to the illustration below Lack of lubrication can cause failure of the anvil piston or shorten the life of the seals An NLGI NO 2 grease is recommended The fronthead should be l...

Page 13: ...ey are as follows General Note When disassembling the accumulator inspect all parts for wear and replace as necessary before reassembly Tools required for this procedure Adjustable or 22mm wrench 5mm...

Page 14: ...wrench 2 Using a 5mm allen wrench slowly unscrew the needle valve a few turns at a time Wait a few seconds after each series of turns This will discharge gas from the accumulator DO NOT REMOVE VALVE...

Page 15: ...a vise Lock it securely Do NOT use the large nut in the center of the accumulator body to loosen the body Step 5 will instruct you on how to properly remove the body from the cover Removal of the nut...

Page 16: ...heir corresponding holes 6 Gently tap a 4 hammer on the wrench handle moving it in a counterclockwise CCW direction This is done only until the accumulator body has been loosened to the point you can...

Page 17: ...lator cover and body for burrs or nicks If burrs are found they can be removed by using 600 grit or finer paper If nicks are found replace the part If nicks or burrs are left inside the accumulator da...

Page 18: ...ality grease Lubricate the thread of the outer circumferential part of the accumulator body with anti seize lubricant Set the accumulator cover Clean the inside of the washed accumulator cover with a...

Page 19: ...been reassembled loosen the vise and set it back again with the outside up The accumulator can be charged with Nitrogen gas at this time following the procedures on page 10 or can be mounted back on t...

Page 20: ...he accumulator These are written for use with the charge kit The accumulator can be safely charged either on or off the hammer as long as these procedures are followed STEP ILLUSTRATION STEP 1 If you...

Page 21: ...ge kit adapter 3 installed under Step 2 STEP 5 Set the regulator on the nitrogen tank to 1 100 psi Using the chart at the right determine the charge pressure needed for the ambient temperature of the...

Page 22: ...en the shut off valve 12 gradually allowing nitrogen to flow into the accumulator until the charge kit pressure gauge 11 reads the pressure determined under Step 5 then close the shut off valve STEP 8...

Page 23: ...Reinstall the Accumulator Plug and O ring Step 11 Close the valve on the nitrogen tank and bleed off nitrogen pressure by slowly opening the shut off valve 12 Once the pressure gauges on the tank rea...

Page 24: ...hat group should first be loosened and then re tightened in stages alternately bringing opposing bolts up to the same torque level until all bolts in the group share the load equally Continue in the s...

Page 25: ...NOV 2005 Section C Page 1 SECTION C TROUBLESHOOTING...

Page 26: ...er Supply hoses have been reversed Pressure line from pump must be connected to pressure port marked P The return line connects to tank port marked T Oil flow is not sufficient to cycle hammer Flow te...

Page 27: ...ssure to specification Too much grease in fronthead Remove anvil and clean fronthead cavity Do not over grease Anvil is galled or sticking Hammer should be greased daily Grease the fronthead with hamm...

Page 28: ...igh Check filter and hose connections Excessive amounts of oil are leaking out from chuck area Oil flows off end of anvil Replace seal kit if oil consumption is greater than 1 pint per hour Pressure h...

Page 29: ...NOV 2005 Section D Page 1 SECTION D PARTS LIST...

Page 30: ...Section D Page 2 NOV 2005...

Page 31: ...Ring 79140945 1 Accumulator 012 K084891 01000 3 GPF Plug 037 79140943 1 Accumulator Cap 013 35700831 3 O Ring 038 79140944 1 Accumulator Body 014 K154037 10025 1 Spring Pin 039 7296022 1 Diaphragm 015...

Page 32: ...CRIPTION 98410212 1 Hammer Lift Eye Kit 1 3767080 2 Soc Head Capscrew M16 x 80 12 9 2 86038990 4 High Strength M16 Flat Washer 3 31920262 1 Hammer Lifting Eye 4 3069437 2 H Collar Lockwasher M16 Note...

Page 33: ...8977 1 1 4 NPT PIPE NIPPLE 8 K15341 1 1 4 NPT Q D NIPPLE 9 K15340 2 1 4 NPT Q D COUPLER 10 K15350 1 200 PSI PRESSURE GAUGE 11 K15351 1 1000 PSI PRESSURE GAUGE 12 K15348 1 1 4 NPT SHUT OFF VALVE 13 K04...

Page 34: ...it ACCUMULATOR KIT PART NO 79140945 ITEM PART NO QTY DESCRIPTION 1 79140943 1 Accumulator Cap 2 23164410 1 Cap 3 35700833 2 O Ring 4 1612260 1 Valve 5 11762 1 O Ring 6 7 7296022 1 Diaphragm 8 79140944...

Page 35: ...4 1 Seal Ring 007 K161021 00065 1 O Ring 008 KHB2R 10120 1 Plug 009 K160011 10010 1 O Ring 010 KF3 10121 4 Bushing 011 35700834 4 O Ring 013 35700831 3 O Ring 017 KHB1G 10532 1 Seal Washer 018 5491056...

Page 36: ...Section D Page 8 NOV 2005 THIS PAGE INTENTIONALLY BLANK...

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