Summary of 845M
Page 1
9800 0333 01 a 845m gb date code 0001l2001.
Page 2: Service And Repair Manual
Service and repair manual model 845m 2 warranty and liability statement all repairs may be completed with standard workshop tools and equipment. Service tools use only authorized parts. Any damage or malfunction caused by the use of unauthorized parts is not covered by warranty or product liability....
Page 3: Service And Repair Manual
3 service and repair manual model 845m fig. Part no. Description of part no. Req. 42 9170 4652 10 speed control switch (1) 47 9170 3254 10 upper handle mount (1) 50 9170 4652 30 motor cover (1) 51 9170 4669 40 left handle half (1) 52 9170 4669 50 right handle half (1) 53 9170 3251 70 motor housing (...
Page 4: Service And Repair Manual
Service and repair manual model 845m 4 assemble thrust washers #107 and belleville spring washers #78 into intermediate housing #46 as illustrated. Note: use oil on all areas to be press fit % see page 5 for additional lubrication and service notes ___________________________________________________...
Page 5: Service And Repair Manual
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 ...
Page 6: Service And Repair Manual
Service and repair manual model 845m 6 fig. % 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 ...
Page 7: Service And Repair Manual
7 service and repair manual model 845m wire color wiring schematic inductor boat wire origin or no. 110 v 120 v 230 v part no. Connection 1 blue white blue cord switch 2 brown black brown cord switch 3 red red red field lead 9 4 red red red field switch 5 yellow yellow yellow field brush holder 6 bl...
Page 8: Service And Repair Manual
Service and repair manual model 845m 8 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 ...
Page 9: Service And Repair Manual
9 service and repair manual model 845m 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 b...
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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