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840M
Date Code
0011L2001
GB
9800 0329 01 a
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Service and Repair Manual 2 Model 840M General For best performance hammers should be serviced at regular intervals, any indication that the hammer is not performing as specifi ed should be investigated to prevent 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 BEARIN
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Service and Repair Manual 3 Model 840M EXAMPLE: 00 Component Parts (Small #) 0 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 K
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Service and Repair Manual 4 Model 840M Chamfer for barrel washers (119) are to face to the outside, as shown. %SEE PAGE 5 FOR ADDITIONAL LUBRICATION AND SERVICE NOTES NOTE: Do not wash clutch gear assembly (57). If needed, wipe off with a dry rag. Coat gearcase seal (62) with lubrication prior to placement in the gearcase (38). FASTENER TORQUE SPECIFICATIONS (IN.LBS.) Use Blue Loctite SEATING TORQUE #242 on FIG. NO. MINIMUM MAXIMUM screws (24), two 9 120 140 places.
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Service and Repair Manual 5 Model 840M FIG. PART NO. DESCRIPTION OF PART NO. REQ. Press Needle Bearing (7) 2 9170 3254 90 Ball Bearing (2) in Connecting Rod (109) 5 9170 4650 40 Ball Bearing (1) so that the same amount 6 9170 4672 80 Vent Kit (1) sticks out on both sides 7 9170 3255 20 Needle Bearing (1) of the Rod. 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 (
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Service and Repair Manual 6 Model 840M Press metal insert of fan to here. 30 30 3 Press fan (3) onto armature (30) such that the metal insert of the fan bottoms against the fan journal shoulder of the armature shaft. After the armature assembly (30) is installed into the tool, the bearing cup (86) is to be placed on the rear armature 1 bearing (1), (already pressed onto the armature shaft), prior to assembling the motor cover (47) to the tool. 86 NOTE: Do not dislodge the bearing cup f
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Service and Repair Manual 7 Model 840M NOTE: Module wires #3 and #4 are not polarity sensitive. TERMINAL DESCRIP- WIRING SPECIFICATIONS Code Part No. Qnty. Wire Wire Origin or No. Gauge Length Terminals, Connectors and 1 or 2 End Wire Preparation Color 1 Black Blade Hsg. ----- Component of blade housing assembly. T1 9170 4666 90 2 2 White Blade Hsg. ----- Component of blade housing assembly. 3 Black Elect. Mod. ----- Component of elec
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Service and Repair Manual 8 Model 840M ELECTRICAL TESTING Electrical test Before assemby all electrical parts MUST be checked for safety, and that they conform to specifi cation. Testing the Armature (Flash Testing) A Armature shaft to lamination pack 1500 Volts (min) B Lamination pack to commutator 1200 Volts (min) C Armatuure shaft to commutator 3000 Volts (min) ELECTRICAL PERFORMANCE TEST READINGS ARMATURES MODEL 110V 120V 220V-240V
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Service and Repair Manual 9 Model 840M WARNING LETHAL VOLTAGES PRESENT!! IMPORTANT On completion of the assembly, the unit must be fl ash tested at 4000 volts. Flash Test 1. With the breaker completely assembled and with the switch "ON", apply 2000 volts initially and increase rapidly to 4000 volts between the main casting and one of the pins of the plug on the power supply cord. Apply test to both live and neutral pins. 2. The full voltage of 4000 volts should be maintained without breakdow
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Sickla Industriväg 1A, S-105 23 Nacka Sweden Telephone: +46 (0) 8 743 9600 Fax: +46 (0) 8 743 9650 9800 0329 01 a 54-24-1025 Drwg. 5 08/06
