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Service and Repair Manual

Model 845K

6

           

FIG.

%

NOTES

54,55,56

TO REMOVE BELLY SHROUD #56 FROM TOOL, INSERT SMALL

SCREW DRIVER INTO GROOVE BETWEEN BELLY AND SIDE

SHROUDS  #54  AND  #55,  ABOUT  1/3  OF  THE  WAY  FROM  THE

MOTOR END, AS SHOWN. PRY OUT AND DOWN ON BOTH SIDES

OF THE TOOL.

54,55

TO INSTALL THE SIDE SHROUDS #54 AND #55, THE TOP HINGE OF

THE SHROUDS MUST BE COMPLETELY INTERLOCKED, THEN THE

BACK SIDE ROTATED CLOSED AROUND THE TOOL.

73

LUBRICATE ALL BORES IN SPINDLE #73 WITH A MEDIUM COATING

OF GREASE.

63,108,109

LUBRICATE RUBBER DAMPING WASHER #63, BARREL THRUST

WASHER #108 AND STRIKER CUSHION WASHER #109 WITH A

MEDIUM COATING OF GREASE BEFORE ASSEMBLY.

10,  100

PRESS NEEDLE BEARING #10 IN ROD #100 SO THAT THE SAME

AMOUNT STICKS OUT ON BOTH SIDES OF THE ROD, AS SHOWN.

9,71

PRESS (2) NEEDLE BEARINGS #9 INTO HOLLOW CLUTCH SHAFT

#71, FLUSH WITH THE ENDS OF THE SHAFT.

11,12,46

PRESS NEEDLE BEARINGS #11 AND #12 FLUSH TO THE MACHINED

FACES ON BOTH ENDS OF THE INTERMEDIATE HOUSING #46.

9,44

PRESS NEEDLE BEARING #9 INTO CRANKCASE #44, FLUSH WITH

TOP  OF  BORE,  AS  SHOWN.

81

LIGHTLY GREASE INSIDE OF BARREL #81 BEFORE ASSEMBLY.

48,73

SMALL OUTSIDE DIAMETER OF SPINDLE #73 IS TO BE LUBRICATED

WITH A LIGHT COAT OF GREASE BEFORE ASSEMBLING THE NOSE

ASSEMBLY  #48  TO  THE  TOOL.

48,73,102

NOSE ASSEMBLY #48 MUST BE PLACED SQUARELY OVER SPINDLE

#73, WHEN ASSEMBLING, TO PREVENT DAMAGE TO OIL SEAL

#102.

14,19,20,23

FASTENERS  #14,  #19,  #20  AND  #23  ARE  TO  BE  RE-ASSEMBLED

USING BLUE LOCTITE.

48,102

LUBRICATE BORE IN NOSE ASSEMBLY #48 BEFORE PRESSING OIL

SEAL  #102  INTO  PLACE.

60,61,62,

LUBRICATE  O-RINGS  #60,  #61,  #62,  #66  AND  #67  WITH  GREASE.

66,67

69

INSTALL BEVEL SNAP RING #69 WITH BEVEL SIDE UP.

4,50,80

PLACE BEARING CUP #80 ON SMALL ARMATURE BEARING #4

BEFORE INSTALLING MOTOR COVER #50.

41

BRUSH SPRINGS #41 ARE TO BE WOUND 1/2 TURN TO ENGAGE

BRUSHES.

4

RUBBER  SEAL  SIDE  OF  BALL  BEARING  #4  TO  FACE  FAN.

95,98

FACES  OF  PISTON  #95  AND  RAM  #98  ARE  TO  BE  FREE  OF

GREASE.

105

WHEN REASSEMBLING BARREL AND CLUTCH SCREWS INTO EXIST-

ING CRANKCASE, MAKE SURE SCREW IS STARTED IN EXISTING

THREAD. DO NOT CREATE TWO SETS OF THREADS ONE HOLE.

Содержание 845K

Страница 1: ...9800 0336 01 a 845K GB DateCode 0001L2001 ...

Страница 2: ...to prevent any adverse damage occuring ALL SEALS GASKETS GREASE OR OTHER PARTS DEEMED NECESSARY FOR SERVICINGARE IN THE SERVICE KIT ALLNEEDLE ROLLER BEARINGS SHOULD BE PRESSED WITH THE ROUNDED EDGE ENTERINGTHE BORE FIRST ANDTHE PRESSTOOL PRESSINGAGAINSTTHE FLAT SURFACE OF THE BEARING Cleaning All mechanical parts with the exception of any sealed bearings should be cleaned in a suitable cleaning fl...

Страница 3: ...Carbon Brush 2 36 9170 3252 00 Brush Carrier Assembly 1 39 9170 4669 20 Blade Housing Assembly 1 40 9170 4671 90 Quik Lok Cord Set 1 FIG PART NO DESCRIPTION OF PART NO REQ 41 9170 3252 10 Brush Spring 2 42 9170 4652 10 Speed Control Switch 1 47 9170 3254 10 Upper Handle Mount 1 50 9170 4652 30 Motor Cover 1 51 9170 4669 40 Left Handle Half 1 52 9170 4669 50 Right Handle Half 1 53 9170 3251 70 Moto...

Страница 4: ..._________________________________ ___________________________________________ ________________________________________ ___________________________________________ FASTENERTORQUESPECIFICATIONS IN LBS SEATING TORQUE FIG NO MINIMUM MAXIMUM 14 120 140 15 20 25 16 30 35 19 30 35 20 25 30 21 20 25 22 25 30 25 30 20 25 6 10 105 60 70 HANDLE HALVES AND SHROUDS CUSHION GRIP CRANKCASE COVER 23 24 9170 4671 ...

Страница 5: ...g 1 100 9170 3255 10 Connecting Rod Assembly 1 101 9170 4671 20 Dust Seal Hex 1 102 9170 4671 30 Oil Seal 1 104 9170 4668 00 Striker 1 105 9170 4668 10 DG50 x 16mm Torx Pan Head Screw 4 106 9170 4671 80 Felt Seal 2 107 9170 3260 10 Thrust Washer 2 108 9170 3261 10 Barrel Thrust Washer 1 109 9170 3260 90 Striker Cushion Washer 1 113 9170 3257 90 Wave Washer 1 115 9170 4651 60 Hex Head Bolt Special ...

Страница 6: ...S OF THE INTERMEDIATE HOUSING 46 9 44 PRESS NEEDLE BEARING 9 INTO CRANKCASE 44 FLUSH WITH TOP OF BORE AS SHOWN 81 LIGHTLY GREASE INSIDE OF BARREL 81 BEFORE ASSEMBLY 48 73 SMALL OUTSIDE DIAMETER OF SPINDLE 73 IS TO BE LUBRICATED WITH A LIGHT COAT OF GREASE BEFORE ASSEMBLING THE NOSE ASSEMBLY 48 TO THE TOOL 48 73 102 NOSE ASSEMBLY 48 MUST BE PLACED SQUARELY OVER SPINDLE 73 WHEN ASSEMBLING TO PREVENT...

Страница 7: ...nics boat to retain leads as shown Cord to be inserted into clamp trap Cord to extend 1 4 minimum above top of clamp For 120 V only See below for 110 V and 230 V Fast on terminals must be completely connected between leads 4 and 9 Keep leads away from potential pinch points Electronics Assembly WIRING SPECIFICATIONS SWITCH CONNECTIONS Bottom view Tuck leads 5 and 6 away from armature BRUSH CARD AS...

Страница 8: ...00 Volts min C Armatuure shaft to commutator 3000 Volts min ELECTRICAL PERFORMANCE TEST READINGS CLUTCH SLIP Measured on disassembly assembly 35 45ft lbs 47 61Nm Non Electrical Test Note On all test readings or 5 of figures shown is acceptable 845K 845K MODEL 110V 120V 220V 240V ARMATURES 440 506 Ohms 440 506 Ohms 1 283 1 477 Ohms FIELD COILS 845K 110V 120V 220V 240V 4 5 6 5 Amps 4 5 6 5 Amps 2 9 ...

Страница 9: ...d without breakdown or flashover for a few seconds 3 If the armature has been tested remove the carbon brushes before carrying out the test thus avoiding overstressing the armature insulation system 4 The test voltage must be applied between the main casting and each live pin of the plug in succession Running Test 1 Ensure the unit is switched ON before testing Operate the unit for approx 10 minut...

Страница 10: ...9800 0336 01 a 55 24 3825 Drwg 3 04 02 Atlas Copco Berema AB Sickla Industriväg 1A S 105 23 Nacka Sweden Telephone 46 0 8 743 9600 Fax 46 0 8 743 9650 ...

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