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PRODUCT NAME 

Hitachi Disc Grinder 

Models

   

100 mm (4”)

           

G 10SR4(S) 

115 mm (4-1/2”)

 

 

G 12SR4(S) 

125 mm (5”)

           

G 13SR4(S)

 

G

REPAIR GUIDE  ---------------------------------------------------------------------------------------------------------------- 1

 

1. Precautions on disassembly and reassembly  ----------------------------------------------------------- 1 

STANDARD REPAIR TIME (UNIT) SCHEDULES  -------------------------------------------------------------------- 5

 

CONTENTS 

Page 

G

 
LIST Nos. 
G 10SR4(S): F238 
G 12SR4(S): F239 
G 13SR4(S): F240 
Feb. 2016

Overseas Sales Division

Summary of Contents for G 10SR4

Page 1: ...10SR4 S 115 mm 4 1 2 G 12SR4 S 125 mm 5 G 13SR4 S G REPAIR GUIDE 1 1 Precautions on disassembly and reassembly 1 STANDARD REPAIR TIME UNIT SCHEDULES 5 CONTENTS Page G LIST Nos G 10SR4 S F238 G 12SR4 S F239 G 13SR4 S F240 Feb 2016 Overseas Sales Division ...

Page 2: ...ng Holder 6 6 Remove the four internal wires connected to the Tab Terminal 28 and Pushing Button Switch 32 from the Stator 9 7 Remove the Fan Guide 8 and Stator 9 from the Housing 26 NOTE If you have any trouble in removing the Stator 9 heat the Housing 26 to about 60 C for easier removal The internal wire single wire of the Stator 9 is covered with a heat shrinkable tube Do not forcefully bend th...

Page 3: ... grease Rub grease onto the teeth with your fingers so that the grease reaches each tooth bottom Note that under lubricated Gear and Pinion Set 21 may wear at a faster rate 2 When replacing the Armature 7 and the Ball Bearing 626ZZ 24 on the commutator side press in on the Dust Seal 23 while carefully noting its direction until the end face of the Dust Seal 23 contacts the butting surface of the A...

Page 4: ... replacing the Gear Cover Ass y 3 lubricate the metal with the following mixed oil Mixed oil Mixture of Hitachi power tool grease No 2 Unilube No 00 and turbine oil Mixture ratio 1 1 weight ratio Volume 0 5 cc 2 Generously rub 10 g of Shell GADUSS2V1003 grease onto the gear and pinion of the Gear Cover Ass y 3 Seal Lock Screw W Washer M4 x 12 13 1 8 0 5 N m 18 4 kgf cm 1 3 0 3 ft lbs Tapping Screw...

Page 5: ...inute with no abnormalities 230 V 2 500 VAC minute with no abnormalities 110 V After no load operation for 30 minutes the no load current values should be as follows Voltage 110 V 230 V Current max 3 5 A 2 0 A No load current value Fig 5 Wiring diagram Stator 9 Pushing Button Switch 32 Black Brown Blue Stator 9 Black Black Red 1 C1 White Black 2 C2 Varistor A Ass y 43 Controller Gray Insulation te...

Page 6: ... General Assembly Armature Ball Bearing 608S Bearing Holder Dust Seal Ball Bearing 626ZZ Gear Cover Ass y Pushing Button Lock Pin Housing Stator Packing Gland Spindle Gear and Pinion Set Work Flow Tail Cover Cord Armor Cord Varistor A Ass y STANDARD REPAIR TIME UNIT SCHEDULES ...

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