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PRODUCT NAME 

Hitachi Disc Grinder 

Models

   

100 mm (4”)

           

G 10SS2(S) 

115 mm (4-1/2”)

 

 

G 12STA(S), G 12STX 

125 mm (5”)

           

G 13STA(S)

 

G

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

 

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

STANDARD REPAIR TIME (UNIT) SCHEDULES  -------------------------------------------------------------------- 6

 

CONTENTS 

Page 

G

LIST Nos. 
G 10SS2(S): F233 
G 12STA(S): F235 
G 12STX: 

F242 

G 13STA(S): F237 
Feb. 2016

 

Overseas Sales Division

Summary of Contents for G 10SS2(S)

Page 1: ...5 mm 4 1 2 G 12STA S G 12STX 125 mm 5 G 13STA S G REPAIR GUIDE 1 1 Precautions on disassembly and reassembly 1 STANDARD REPAIR TIME UNIT SCHEDULES 6 CONTENTS Page G LIST Nos G 10SS2 S F233 G 12STA S F235 G 12STX F242 G 13STA S F237 Feb 2016 Overseas Sales Division ...

Page 2: ...en remove the Bearing Holder 6 6 6 Remove the four internal wires connected to the Tab Terminal 28 27 and Pushing Button Switch 32 31 from the Stator 9 9 7 Remove the Fan Guide 8 8 and Stator 9 9 from the Housing 26 25 NOTE If you have any trouble in removing the Stator 9 9 heat the Housing 26 25 to about 60 C for easier removal The internal wire single wire of the Stator 9 9 is covered with a hea...

Page 3: ...h 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 20 may wear at a faster rate 2 When replacing the Armature 7 7 and the Ball Bearing 626ZZ 24 23 on the commutator side press in on the Dust Seal 23 22 while carefully noting its direction until the end face of the Dust Seal 23 22 contacts the butting s...

Page 4: ...h 32 31 and the tab terminal Otherwise the stator terminal may be broken 1 When replacing the Gear Cover Ass y 3 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 3 Seal ...

Page 5: ... 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 2 8 A 1 1 A Insulation test No load current value Fig 5 Wiring diagram Stator 9 9 Pushing Button Switch 32 31 Black Brown Blue Stator 9 9 Black Black Red 1 C1 White Black 2 C2 Varistor A Ass y 43 42 Controll...

Page 6: ...e Bar Slide Switch Knob Armature Ball Bearing 608SS Bearing Cover Dust Seal Ball Bearing 626ZZ Rubber Bushing Gear Cover Ass y Pushing Button Lock Pin Packing Gland Spindle Gear and Pinion Set Work Flow Pushing Button Switch Tail Cover Cord Cord Armor Varistor A Ass y Wheel Guard Ass y STANDARD REPAIR TIME UNIT SCHEDULES ...

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