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5

Service and Repair Manual

Model 845M

LUBRICATION NOTES:

 

(TYPE "S2" GREASE, NO. 9170 4664 70)

Fill Piston #95 with grease and

assemble to Connecting Rod

#100 with  Wrist Pin #94. Front

surface of Piston to be free of

grease.

Lubricate  O-Ring

#67

with  grease.

Place 1.5 oz. grease

here.

Place a total of 1.0 oz. grease

in the barrel cavity in the crankcase #44.

Place .5 oz. in each corner in barrel

chamber.

Apply grease to spline surface #71.

Apply grease to

lobed  surface

#97.

Apply grease to

lobed surface #96.

Apply  grease  to

radius and spline

surface  #70.

Apply .5 oz. grease on clutch

assembly, filling the spring

coils.

Lubricate O-Ring with grease. Install O-Ring

onto Ram. Assemble Cap Seal onto Ram.

Resize Cap Seal and load into Barrel

(seal end first). Ram should be

located flush with end of Barrel.

Place .5 oz. grease in

lower clutch pinion cavity.

FRONT OF CRANKCASE

Place

1.5 oz.

grease in bottom

of  crankcase  prior  to

installing  crankshaft

assembly.

l

l

l

l

l

l

l

l

l

l

FIG.

PART NO.

DESCRIPTION OF PART

NO. REQ.

1

9170 3256 50

1/8" Steel Ball

(12)

3

9170 3258 60

Spacer

(1)

5

9170 3254 90

Ball Bearing

(1)

6

9170 3256 20

Ball Bearing

(1)

8

9170 3257 20

Ball Bearing

(1)

9

9170 3255 70

Needle Bearing

(3)

10

9170 3255 20

Needle Bearing

(1)

11

9170 3260 00

Needle Bearing

(1)

12

9170 3260 30

Needle Bearing

(1)

14

9170 3258 90

M6 x 1.0 x 70 Pan Hd. Screw T-27

(4)

18

9170 3258 10

Dowel Pin

(1)

22

9170 3254 60

8-32 x 3/8" Pan Hd. Slt. Taptite T-20

(1)

23

9170 3254 70

M4 x 0.7 x 14 Pan Hd. Slt. Taptite T-20 (4)

28

9170 3257 80

External Retaining Ring

(1)

35

9170 3259 80

Internal Retaining Ring

(1)

38

9170 3259 30

Compression Spring

(1)

43

9170 3255 90

Bearing Retainer

(1)

44

9170 4662 10

Crankcase

(1)

45

9170 3254 40

Crankcase  Cover

(1)

46

9170 3259 90

Intermediate Housing

(1)

48

9170 3259 00

Nose Flange

(1)

49

9170 3254 50

Cap-Cover

(1)

57

9170 3257 30

Bevel Gear

(1)

58

9170 4662 90

Cap Seal

(1)

60

9170 4664 40

O-Ring

(1)

61

9170 3255 80

O-Ring

(1)

63

9170 3261 00

Rubber Damping Washer

(1)

64

9170 3255 00

Seal-Cover

(1)

65

9170 3258 50

Chuck Collar

(1)

66

9170 3255 50

O-Ring

(1)

67

9170 4665 50

O-Ring

(1)

68

9170 3257 40

Retaining Ring

(1)

69

9170 3254 80

Retaining Ring-Beveled

(1)

70

9170 4665 70

Clutch Shaft

(1)

71

9170 3257 10

Hollow Clutch Shaft

(1)

72

9170 3255 60

Crankshaft  Assembly

(1)

73

9170 4665 80

Spindle

(1)

74

9170 3258 70

Collar

(1)

75

9170 3256 80

Compression Spring

(1)

76  9170 4670 10 Spring Flange

(1)

78

9170 3260 20

Belleville Spring

(4)

81

9170 4667 40

Barrel

(1)

83

9170 3256 90

Spring Flange

(1)

84

9170 3261 40

Gasket

(1)

91

9170 3259 10

Key

(2)

94

9170 4661 60

Wrist Pin

(1)

95

9170 4667 60

Piston

(1)

96

9170 3256 70

Splined Clutch Plate

(1)

97

9170 3256 60

Fixed Clutch Plate

(1)

98

9170 4667 70

Ram

(1)

99

9170 3256 40

Shift Ring

(1)

100 9170 3255 10

Connecting Rod Assembly

(1)

102 9170 3259 20

Key Retaining Ring

(1)

103 9170 3258 40

Seal Retaining Ring

(1)

104 9170 3260 80

Striker

(1)

105 9170 4668 10

DG50 x 16mm Torx Pan Head Screw (4)

106 9170 3258 30

Dust Seal

(1)

107 9170 3260 10

Thrust  Washer

(2)

108 9170 3261 10

Barrel  Thrust  Washer

(1)

109 9170 3260 90

Striker Cushion Washer

(1)

111 9170 3259 70

Oil Seal

(1)

112 9170 3259 60

Felt Seal

(1)

113 9170 3257 90

Wave  Washer

(1)

116 9170 3258 80

Side Handle Band

(1)

117 9170 3257 70

Side Handle Assembly

(1)

118 9170 4666 30

Depth Rod Mount Assembly

(1)

119 9170 3257 60

Depth Gauge Rod

(1)

120 9170 3258 20

Band Retainer

(1)

121 9170 3258 00

Side Handle Housing

(1)

SERVICE CARRYING CASE

No. 9170 4671 60

NOTE:

Check the clutch torque. Clutch must slip at 35 to 45 ft.lbs.

at the spindle, checked clockwise as viewed from the front

of the tool.

Содержание 845M

Страница 1: ...9800 0333 01 a 845M 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: ...0 Rubber Washer 2 114 9170 4660 90 Fan 1 SEE PAGE 5 FOR ADDITIONAL LUBRICATION AND SERVICE NOTES EXAMPLE Component Parts Small Are Included When Ordering The Assembly Large 0 00 l FIG PART NO DESCRIPTION OF PART NO REQ 2 9170 4667 30 5 mm Steel Ball 2 4 9170 3251 20 Ball Bearing 1 7 9170 3251 60 Ball Bearing 1 13 9170 3253 10 Pivot Nut 1 15 9170 3252 90 Pivot Bolt 1 16 9170 3251 00 M6 x 1 0 x 120 ...

Страница 4: ...____________________________ ________________________________________________________________ ___________________________________________ ___________________________________________ ________________________________________ ___________________________________________ ___________________________________________ FASTENER TORQUE SPECIFICATIONS IN LBS SEATING TORQUE FIG NO MINIMUM MAXIMUM 13 20 25 14 1...

Страница 5: ...9170 3254 40 Crankcase Cover 1 46 9170 3259 90 Intermediate Housing 1 48 9170 3259 00 Nose Flange 1 49 9170 3254 50 Cap Cover 1 57 9170 3257 30 Bevel Gear 1 58 9170 4662 90 Cap Seal 1 60 9170 4664 40 O Ring 1 61 9170 3255 80 O Ring 1 63 9170 3261 00 Rubber Damping Washer 1 64 9170 3255 00 Seal Cover 1 65 9170 3258 50 Chuck Collar 1 66 9170 3255 50 O Ring 1 67 9170 4665 50 O Ring 1 68 9170 3257 40 ...

Страница 6: ...OF THE SHAFT 11 12 46 PRESS NEEDLE BEARING 11 FLUSH TO THE INSIDE SURFACE OF THE INTERMEDIATE HOUSING 46 AGAINST THE SNAP RING PRESS NEEDLE BEARING 12 FLUSH TO THE OUTSIDE MACHINED SURFACE OF THE INTERMEDIATE HOUSING 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 14 19 20 23 FASTENERS 14 19 20 AND 23 ARE TO BE RE ...

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 845M 845M MODEL 110V 120V 220V 240V ARMATURES 440 506 Ohms 440 506 Ohms 1 283 1 477 Ohms FIELD COILS 845M 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 0333 01 a 55 24 3875 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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