Assessments - 4, GPA: 4
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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 fluid. Electrical parts should be cleaned by the use of compressed air. PRECAUTIONS MUST BE TAKEN FOR PERSONAL SAFETY THE USE OF EYE PROTECTION AND GLOVES IS RECOMMENDED. Inspection All mechanical and electric parts should be inspected for wear and replaced as required. WARRANTY AND LIABILITY STATEMENT Use only Authorized parts. Any damage or malfunction caused by the use of unauthorized parts is not covered by Warranty or Product Liability. SERVICE TOOLS All repairs may be completed with standard workshop tools and equipment. 3Service and Repair ManualModel 840M 3Service and Repair ManualModel 840M 000 EXAMPLE: Component Parts (Small #) Are Included When Ordering The Assembly (Large #). %SEE PAGE 5 FOR ADDITIONAL LUBRICATION AND SERVICE NOTES FIG. PART NO. DESCRIPTION OF PART NO. REQ. 1 9170 4650 00 Ball Bearing (1) 4 9170 4672 80 Vent Kit (1) 8 9170 3253 10 Pivot Nut (1) 10 9170 3252 90 Pivot Bolt (1) 11 9170 4650 90 K50 x 8mm Pan Hd. Plastite Screw (1) 12 9170 4651 00 K35 x 8mm Pan Hd. Plastite Screw (1) 13 9170 4651 10 K60 x 20mm Pan Hd. Plastite Screw (2) 14 9170 4651 20 K60 x 40mm Pan Hd. Plastite Screw (2) 15 9170 4651 30 K50 x 30mm Pan Hd. PT-DG Screw (2) 16 9170 4651 40 K60 x 18mm Pan Hd. PT-DG Screw (2) 17 9170 4651 50 K60 x 120mm Pan Hd. PT-DG Screw (2) 22 9170 3253 90 Pan Hd. Cap Screw (2) (See Note) 23 9170 4652 00 Slotted Plastite Torx Screw (2) 26 9170 3252 50 K50 x 18mm Pan Hd. Plastite Screw (4) 27 9170 4666 00 Thumbwheel (1) 28 9170 4665 90 Service Nameplate Kit (1) Armature Service Note: 29 9170 4652 90 Electronics Assembly (1) When servicing the armature, 30 9170 4653 40 Armature Kit (See Service Note) (1) use Armature Kit No. 9170 4653 40. 31 9170 4653 60 Field (1) If the tool has a spacer in the armature 32 9170 4654 00 Brush Card Assembly (1) bearing bore of the gearcase, remove the 33 9170 4654 10 Blade Housing Assembly (1) spacer and install O-Ring No. 9170 4673 00 into 34 9170 4668 30 Quik-Lok Cord Set (1) the empty groove. The O-Ring is provided in the kit. 35 9170 4654 50 Switch (1) 37 9170 4654 60 Crankcase Assembly (1) 42 9170 4655 00 Upper Handle Mount (1) 46 9170 4655 30 Module Cover (1) FIG. PART NO. DESCRIPTION OF PART NO. REQ. 47 9170 4655 40 Motor Cover (1) 92 9170 4653 80 Carbon Brush Kit (Includes 2 Brushes) (1) 50 9170 4655 70 Left Handle Half (1) 93 9170 4666 10 Brush Spring (2) 51 9170 4655 90 Right Handle Half (1) 94 9170 4660 80 Bellows (1) 52 9170 4656 10 Motor Housing (1) 95 9170 3254 30 Isolation Module Assembly (1) 53 9170 4656 30 Rear Shroud (1) 96 9170 4654 90 Light Pipe (1) 63 9170 4672 80 Vent Kit (1) 100 9170 4661 40 Cushion Grip (1) 66 9170 4657 80 O-Ring (2) 122 9170 3254 00 Rubber Washer (2) 86 9170 4673 20 . Bearing Cup (1) 123 9170 4662 80 Handle Seal (1) Service and Repair ManualModel 840M 4 Service and Repair ManualModel 840M 4 • 9170 4672 00 HAMMER SERVICE KIT 11 3 6SERVICE GREASE12 "S2" Grease, 7 oz. tube No. 9170 4664 70 4 8 13 20 25 14 20 25 SERVICE CARRYING CASE 15 20 25No. 9170 4669 30 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 THIS KIT CONTAINS: ---------------Carbon Brush 130 FT. LBS. 200 FT. LBS. Switch Screws 4 6 THIS KIT CONTAINS: 2 9170 4655 10 Cap Plug 1 9170 4657 40 Gearcase Seal 2 9170 3255 50 O-Ring 1 9170 4657 70 Cap Seal 1 9170 4658 00 O-Ring 1 9170 4658 20 O-Ring 1 9170 4673 00 O-Ring 1 9170 4658 30 Damping Washer 1 9170 4673 20 Bearing Cup 2 9170 4663 20 Split Sleeve 1 9170 4672 10 Carbon Brush 1 9170 4672 20 Carbon Brush 1 9170 4664 70 "S2" Grease - 7 oz. Tube 9170 4653 80 CARBON BRUSH SERVICE KIT 5Service and Repair ManualModel 840M 5Service and Repair ManualModel 840M FIG. 2 5 6 7 9 12 18 20 24 25 36 37 38 39 43 44 48 49 54 55 56 PART NO. 9170 3254 90 9170 4650 40 9170 4672 80 9170 3255 20 9170 4650 70 9170 4651 00 9170 4663 20 9170 3258 10 9170 3254 60 9170 4652 20 9170 4653 30 9170 4654 60 9170 4671 70 9170 4652 80 9170 4655 10 . 9170 4655 20 9170 4666 30 9170 3258 00 9170 4656 50 9170 4656 70 9170 3258 60 DESCRIPTION OF PART Ball Bearing Ball Bearing Vent Kit Needle Bearing M6 Socket Head Cap Screw K35 x 8mm Pan Hd. Plastite Screw Split Sleeve Dowel Pin Slotted Taptite Torx Screw K50 x 22mm PT-DG Screw SDS-Max Nose Service Assembly Crankcase Assembly Gearcase Service Kit Crankshaft Assembly 5/8 Cap Plug Screw Cap Depth Rod Mount Assembly Side Handle Housing Main Shroud Locking Ring Spacer NO. REQ. (2) (1) (1) (1) (4) (1) (2) (1) (2) (4) (1) (1) (1) (1) (2) (1) (1) (1) (1) (1) (1) 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) flush with the top of the crankcase casting, as shown. 57 9170 4666 40 Cl...