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5

   

Service and Repair Manual

  

Model 

840M

 FIG. 

PART NO. 

DESCRIPTION OF PART                NO. REQ. 

  2 

9170 3254 90 

Ball Bearing 

(2) 

  5 

9170 4650 40 

Ball Bearing 

(1) 

  6 

9170 4672 80 

Vent Kit 

(1) 

  7 

9170 3255 20 

Needle Bearing 

(1) 

  9 

9170 4650 70 

M6 Socket Head Cap Screw 

(4) 

 12 

9170 4651 00 

K35 x 8mm Pan Hd. Plastite Screw 

(1) 

 18 

9170 4663 20 

Split Sleeve 

(2) 

 20 

9170 3258 10 

Dowel Pin 

(1) 

 24 

9170 3254 60 

Slotted Taptite Torx Screw 

(2) 

 25 

9170 4652 20 

K50 x 22mm PT-DG Screw 

(4) 

 36 

9170 4653 30 

SDS-Max Nose Service Assembly 

(1) 

 37 

9170 4654 60 

Crankcase Assembly

 

(1) 

 38 

9170 4671 70 

Gearcase Service Kit 

(1) 

 39 

9170 4652 80 

Crankshaft Assembly 

(1) 

 43 

9170 4655 10 

5/8 Cap Plug 

(2) 

 44 

9170 4655 20 

Screw Cap 

(1) 

 48 

9170 4666 30 

Depth Rod Mount Assembly 

(1) 

 49 

9170 3258 00 

Side Handle Housing 

(1) 

 54 

9170 4656 60 

Main Shroud 

(1) 

 55 

9170 4656 70 

Locking Ring 

(1) 

 56 

9170 3258 60 

Spacer 

(1) 

 57 

9170 4666 40 

Clutch Gear Assembly 

(1) 

 58 

9170 4657 10 

Drive Gear 

(1) 

 62 

9170 4657 40 

Gearcase Seal 

(1) 

 64 

9170 3255 50 

O-Ring 

(2) 

 65 

9170 4657 70 

Capseal 

(1) 

 67 

9170 4657 90 

O-Ring 

(1) 

 68 

9170 4658 00 

O-Ring 

(1) 

 69 

9170 4658 10 

O-Ring 

(1) 

 70 

9170 4658 20 

O-Ring 

(1) 

 71 

9170 4658 30 

Damping Washer 

(1) 

 72 

9170 3257 80 

External Retaining Ring 

(1) 

 73 

9170 4658 60 

Retaining Ring 

(1) 

 74 

9170 4658 70 

Spindle 

(1) 

 75 

9170 4659 00 

Shift Spring 

(1) 

 76 

9170 4659 10 

Compression Spring 

(1) 

 80 

9170 3259 30 

Key Spring 

(1) 

 81 

9170 3258 80 

Side Handle Band 

(1) 

 84 

9170 3258 50 

Chuck Collar 

(1) 

 85 

9170 3258 70 

Collar 

(1) 

 87 

9170 4660 30 

Barrel 

(1) 

 88 

9170 4666 50 

Shift Disk Assembly 

(1) 

 89 

9170 4660 50 

Spring Flange 

(1) 

 90 

9170 3257 70 

Side Handle Assembly 

(1) 

 97 

9170 3259 10 

Keys 

(2) 

 98 

9170 4653 10 

Shift Knob Assembly 

(1) 

 101  9170 4661 60 

Wrist Pin 

(1) 

 102  9170 4661 70 

Piston 

(1) 

 103  9170 4661 80 

Ram 

(1) 

 104  9170 3259 20 

Key Retaining Ring 

(1) 

 105  9170 3258 20 

Band Retainer 

(1) 

 106  9170 3258 40 

Seal Retaining Ring 

(1) 

 107  9170 4662 20 

Shift Ring 

(1) 

 108  9170 3257 60 

Depth Gauge Rod 

(1) 

 109  9170 3255 10 

Connecting Rod Assembly 

(1) 

 111  9170 3258 30 

Dust Seal 

(1) 

 112  9170 4663 10 

Felt Seal 

(1) 

 113   Spindle 

Seal 

(1) 

 114  9170 4663 30 

Retaining Slug 

(1) 

 115  9170 4663 60 

SDS-Max Striker 

(1) 

 118  9170 4664 00 

Washer 

(2) 

 119  9170 4664 10 

Barrel Washer 

(2) 

 121  9170 4664 30 

Washer 

(1) 

 124  9170 3257 90 

Wave Washer 

(1) 

 125  9170 4672 80 

Vent Kit 

(1) 

   

 

%

SEE PAGE 6

FOR ADDITIONAL  

SERVICE NOTES

 

 ●

Press Needle Bearing (7) 
in Connecting Rod (109) 
so that the same amount 
sticks out on both sides 
of the Rod.

Press Needle 
Bearing (6) into 
Crankcase (37) 
fl ush with the top 
of the crankcase 
casting, 
as shown. 

LUBRICATION NOTES:

 

(TYPE "S2" GREASE, NO. 9170 4664 70)

Fill Piston (102) with "S2" grease and as-
semble to Connecting Rod (109) 
with the Wrist Pin (101). Front surface 
of Piston (102) and the Ram (103) is 
to be free of grease.

Lubricate the O-Ring (68) 
with grease.

Lightly coat the inside of the Barrel (87)
with grease prior to assembly.

Lightly coat the 

inside bore of the

Spindle (74) prior to 

the insertion of the 

Striker (115).  

Prior to assembly, 
apply a light coat of grease 
to the Gearcase Seal (62) and 
O-Rings (63, 64, 67, 68 and 70).

Summary of Contents for Kango 840M

Page 1: ...GB 840M Date Code 0002L2002 9800 0330 01 a ...

Page 2: ...event any adverse damage occuring ALL SEALS GASKETS GREASE OR OTHER PARTS DEEMED NECESSARY FOR SERVICING ARE IN THE SERVICE KIT ALL NEEDLE ROLLER BEARINGS SHOULD BE PRESSED WITH THE ROUNDED EDGE ENTERING THE BORE FIRST AND THE PRESS TOOL PRESSING AGAINST THE FLAT SURFACE OF THE BEARING Cleaning All mechanical parts with the exception of any sealed bearings should be cleaned in a suitable cleaning ...

Page 3: ... 35 9170 4654 50 Switch 1 37 9170 4654 60 Crankcase Assembly 1 40 9170 3253 50 Cord Clamp 1 41 9170 4665 60 Cord Clamp 1 42 9170 4655 00 Upper Handle Mount 1 46 9170 4655 30 Module Cover 1 47 9170 4655 40 Motor Cover 1 50 9170 4655 80 Left Handle Half 1 51 9170 4656 00 Right Handle Half 1 52 9170 4656 20 Motor Housing 1 53 9170 4656 40 Rear Shroud 1 63 9170 4672 80 Vent Kit 1 66 9170 4657 80 O Rin...

Page 4: ...5 20 25 16 50 55 17 30 35 22 30 35 23 15 20 24 20 25 25 50 55 26 15 20 74 130 FT LBS 200 FT LBS 87 130 FT LBS 200 FT LBS Switch Screws 4 6 SERVICE GREASE S2 Grease 7 oz tube No 9170 4664 70 SERVICE CARRYING CASE No 9170 4665 00 9170 4653 80 CARBON BRUSH SERVICE KIT THIS KIT CONTAINS 2 Carbon Brush 9170 4672 00 HAMMER SERVICE KIT THIS KIT CONTAINS 2 9170 4655 10 Cap Plug 1 9170 4657 40 Gearcase Sea...

Page 5: ...k Collar 1 85 9170 3258 70 Collar 1 87 9170 4660 30 Barrel 1 88 9170 4666 50 Shift Disk Assembly 1 89 9170 4660 50 Spring Flange 1 90 9170 3257 70 Side Handle Assembly 1 97 9170 3259 10 Keys 2 98 9170 4653 10 Shift Knob Assembly 1 101 9170 4661 60 Wrist Pin 1 102 9170 4661 70 Piston 1 103 9170 4661 80 Ram 1 104 9170 3259 20 Key Retaining Ring 1 105 9170 3258 20 Band Retainer 1 106 9170 3258 40 Sea...

Page 6: ...ure bearing 1 already pressed onto the armature shaft prior to assembling the motor cover 47 to the tool NOTE Do not dislodge the bearing cup from the bearing during assembly 30 1 86 Press fan 3 onto armature 30 such that the metal insert of the fan bottoms against the fan journal shoulder of the armature shaft Press metal insert of fan to here 30 3 ...

Page 7: ...MINAL DESCRIP Part No Code Qnty 1 Brown Cord Assy Component of cord assembly 2 Blue Cord Assy Component of cord assembly 3 Black Elect Mod Component of electronics module Strip 1 4 for T1 4 Black Elect Mod Component of electronics module Strip 1 4 for T1 T1 9170 4666 90 2 NOTE Module wires 3 and 4 are not polarity sensitive CORD TO BE INSERTED INTO CLAMP TRAP ...

Page 8: ...00 Volts min C Armatuure shaft to commutator 3000 Volts min ELECTRICAL PERFORMANCE TEST READINGS CLUTCH SLIP Measured on disassembly assembly 40 50ft lbs 47 61Nm Non Electrical Test Note On all test readings or 5 of figures shown is acceptable 840M 840M MODEL 110V 120V 220V 240V ARMATURES 440 506 Ohms 440 506 Ohms 1 283 1 477 Ohms FIELD COILS 840M 110V 120V 220V 240V 4 5 6 5 Amps 4 5 6 5 Amps 2 9 ...

Page 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...

Page 10: ...Sickla Industriväg 1A S 105 23 Nacka Sweden Telephone 46 0 8 743 9600 Fax 46 0 8 743 9650 9800 0330 01 a 55 24 1125 Drwg 4 08 06 ...

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