9800 0332 01 a GB 845S Date Code 0001L2001
Service and Repair Manual Model 845S 2 General For best performance hammers should be serviced at regular intervals, any indication that the hammer is not performing as specified 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 BEARING.
Service and Repair Manual Model 845S 00 3 EXAMPLE: Component Parts (Small #) Are Included 0 When Ordering The Assembly (Large #). %SEE PAGE 5 FOR ADDITIONAL LUBRICATION AND SERVICE NOTES FIG. 2 4 7 13 15 16 19 20 21 24 25 26 31 32 33 34 36 39A 39B 40 PART NO.
Service and Repair Manual Model 845S 4 NOTE: USE OIL ON ALL AREAS TO BE PRESS FIT Assemble Thrust Washers #107 and Belleville Spring Washers #78 into Intermediate Housing #46 as illustrated. FASTENER TORQUE SPECIFICATIONS (IN./LBS.) SEATING TORQUE FIG. NO.
Service and Repair Manual Model 845S FIG. 1 3 5 6 8 9 10 11 12 14 17 18 22 23 28 43 44 45 46 48 49 57 58 60 61 63 64 65 66 67 68 69 70 71 72 73 74 75 78 81 83 84 91 94 95 96 97 98 99 100 101 102 104 105 106 107 108 109 113 115 116 117 118 119 120 121 PART NO.
Service and Repair Manual Model 845S FIG. 6 %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.
Service and Repair Manual Model 845S 7 As an aid to reassembly, take note of wire routing and position in wire guides and traps while dismantling tool. Tuck all wiring into left handle half prior to assembling right handle half. This will avoid pinched wires. Brush shunt wires to be positioned up in brush tube slots, as shown, for full travel. Check that there is clearance between the fan and brush shunt wires. Brush to brush plate connections.
Service and Repair Manual Model 845S ELECTRICAL TESTING Electrical test Before assemby all electrical parts MUST be checked for safety, and that they conform to specification. 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 845S .440/.506 Ohms .440/.506 Ohms 1.283/1.
Service and Repair Manual Model 845S 9 WARNING LETHAL VOLTAGES PRESENT!! IMPORTANT On completion of the assembly, the unit must be flash 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.
9800 0332 01 a 54-24-0975 Drwg.
