Hitachi G 18SR Technical Data And Service Manual
  1. Manuals
  2. Brands
  3. Hitachi Manuals
  4. Grinder
  5. G 18SR
  6. Technical data and service manual

Hitachi G 18SR Technical Data And Service Manual

Disc grinder
Hide thumbs Also See for G 18SR:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Operation Manual & Safety Instructions
DISC GRINDER
G 18SR, G 18SRU
G 23SR, G 23SRU
LIST Nos. G 18SR: E275 G 18SRU: E276
G 23SR: E273 G 23SRU: E274
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
MODELS
G 18SR, G 18SRU
G 23SR, G 23SRU
Hitachi
Power Tools
Apr. 2006
TECHNICAL DATA
AND
SERVICE MANUAL
G

Advertisement

Table of Contents
loading

Related Manuals for Hitachi G 18SR

Summary of Contents for Hitachi G 18SR

  • Page 1 Power Tools DISC GRINDER TECHNICAL DATA G 18SR, G 18SRU SERVICE MANUAL G 23SR, G 23SRU LIST Nos. G 18SR: E275 G 18SRU: E276 Apr. 2006 G 23SR: E273 G 23SRU: E274 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT...
  • Page 2 REMARK: Throughout this TECHNICAL DATA AND SERVICE MANUAL, a symbol(s) is(are) used in the place of company name(s) and model name(s) of our competitor(s). The symbol(s) utilized here is(are) as follows: Competitors Symbols Utilized Company Name Model Name 9067 9069 MAKITA 9067SF 9069SF...

  • Page 3: Table Of Contents

    8-5. Wiring Diagram ..........................13 8-6. Insulation Tests ..........................13 8-7. No-load Current Value ........................13 9. STANDARD REPAIR TIME (UNIT) SCHEDULES ................14 Assembly Diagram for G 18SR Assembly Diagram for G 18SRU Assembly Diagram for G 23SR Assembly Diagram for G 23SRU...

  • Page 4: Product Name

    1. PRODUCT NAME 1) Hitachi 180 mm Disc Grinder, Model G 18SR 2) Hitachi 180 mm Disc Grinder, Model G 18SRU (With soft start) 3) Hitachi 230 mm Disc Grinder, Model G 23SR 4) Hitachi 230 mm Disc Grinder, Model G 23SRU (With soft start) 2.

  • Page 5: Class-Top Overload Durability

    Figure 1 shows the comparison of overload durability when the stator coil temperature rise is 200ûK using the Model G 23SR as the reference. As is evident from this, the Models G 18SR, G 18SRU, G 23SR and G 23SRU are superior to the competitors in overload durability.

  • Page 6: Durable Ball Bearing Retainer Thanks To The Iron Bushing

    4-4. Durable Ball Bearing Retainer thanks to the Iron Bushing The Models G 18SR, G 18SRU, G 23SR and G 23SRU are equipped with the iron bushing in the ball bearing retainer at the commutator side of the housing to improve the durability of the ball bearing retainer.

  • Page 7: Specifications

    5. SPECIFICATIONS Model G 18SR/G 18SRU G 23SR/G 23SRU Item O.D. 180 mm (7") O.D. 230 mm (9") Dimensions x Thickness 6 mm (1/4") x Thickness 6 mm (1/4") x I.D. 22.2 mm (7/8") x I.D. 22.2 mm (7/8") Depressed- Max.

  • Page 8: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS 6-1. Specification Comparisons Maker HITACHI G 18SR G 18SH2 Model name G 18SRU G 18U2 Capacity: (7") (7") (7") Depressed-center wheel dia. (mm) (7") 2,000 2,000 2,000 Power input *1 2,100 1,330 1,330 1,160 Power output *1...

  • Page 9: Practical Test Data

    6-2. Practical Test Data Comparison of temperature rise of stator coil section: The graph below shows the relationship between load and temperature rise of the stator coil. The temperature rise of the Model G 23SR is the lowest among the competitive models. This means that the resistance to overload usage of the Models G 23SR and G 23SF2 is superior to other maker's models.

  • Page 10: Precautions In Sales Promotion

    7. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Models G 18SR, G 18SRU, G 23SR and G 23SRU Disc Grinders by all of our customers, it is very important that at the time of sale, the salesperson...

  • Page 11: Precautions In Disassembly And Reassembly

    The [Bold] numbers in the descriptions below correspond to the numbers in the Parts List and the exploded assembly diagram for the Models G 18SR and G 23SR, and the <Bold> numbers to those in the Parts List and the exploded assembly diagram for the Models G 18SRU and G 23SRU.
  • Page 12 (2) Removal of the Dust Seal [37] <45> 1. Insert the hooks of the J-204 bearing puller between the commutator and the Dust Seal [37] <45> from both sides, and fix the hooks with the wing bolts. 2. Place the J-204 bearing puller on a supporting jig and push down on the armature shaft with a hand press to remove the Dust Seal [37] <45>...

  • Page 13: Reassembly

    8-2. Reassembly Put the parts together in the reverse order of disassembly, with the precautions given below. (1) Apply machine oil to Felt Packing (B) [24] <24> then mount it to the Packing Gland [27] <27> to increase the dust resistance. (2) Generously lubricate the teeth of the Gear [20] <20>...
  • Page 14 Fit the internal wire in the cord through this area. the groove securely. Insert the terminal securely. (a) Models G 18SR/G 23SR Pass the internal wire of Fit the internal wire in the cord through this area. the groove securely.

  • Page 15: Lubrication Points And Types Of Lubricant

    The internal wire with tube of stator shall pass this groove. Fig. 12 (6) Mount the cord clip as shown in Fig. 13 being careful of the direction. Cord dia.: Over 8.5 mm dia. Cord dia.: Max. 8.5 mm dia. Cord clip mounting diagram Fig.

  • Page 16: Wiring Diagram

    8-5. Wiring Diagram (1) Models G 18SR/G 23SR Wiring dia. (2) Models G 18SRU/G 23SRU Wiring dia. 8-6. Insulation Tests On completion of disassembly and repair, measure the insulation resistance, and conduct the dielectric strength test. Insulation resistance: After switch is turned on, more than 10 M Ω by 500 V DC megohm meter between live parts and accessible metal parts.

  • Page 17: Standard Repair Time (Unit) Schedules

    9. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable 60 min. MODEL Fixed Work Flow G 18SR G 18SRU G 23SR Wheel Guard G 23SRU Ass'y Housing Ass'y Stator General Assembly Gear Cover Pinion Ass'y Seal Washer Felt Packing Ball Bearing (6301VV)
  • Page 18 Hitachi Power Tools LIST NO. E275 ELECTRIC TOOL PARTS LIST DISC GRINDER 2006 • • Model G 18SR (E1)
  • Page 19 PARTS G 18SR ITEM CODE NO. DESCRIPTION REMARKS USED 315-636 SEAL LOCK SCREW (W/SP. WASHER) M5X14 (BLACK) 323-209 TAPPING SCREW (W/FLANGE) D5X35 (BLACK) 306-888 PUSHING BUTTON 320-219 SPRING 320-217 GEAR COVER ASS’Y INCLUD. 3, 4, 34, 35 320-226 SPECIAL NUT M10...
  • Page 20 PARTS G 18SR ITEM CODE NO. REMARKS DESCRIPTION USED 320-238 SWITCH (2P PILLAR TYPE) W/SAFETY LOCK OFF/LOCK 960-266 CORD CLIP 984-750 TAPPING SCREW (W/FLANGE) D4X16 981-373 TUBE (D) FOR CORD 940-778 CORD ARMOR D10.7 958-049 CORD ARMOR D8.2 500-247Z CORD (CORD ARMOR D10.7) FOR EUROPE...

  • Page 21: Standard Accessories

    STANDARD ACCESSORIES G 18SR ITEM CODE NO. DESCRIPTION REMARKS USED 325-491 WRENCH OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 323-993 PIPE HANDLE SET INCLUD. 602 985-597 BOLT M14 310-337 SUPER WASHER --- 4 --- Printed in Japan 4 -- 06...
  • Page 22 Hitachi Power Tools LIST NO. E276 ELECTRIC TOOL PARTS LIST DISC GRINDER 2006 • • Model G 18SRU (E1)
  • Page 23 PARTS G 18SRU ITEM CODE NO. DESCRIPTION REMARKS USED 315-636 SEAL LOCK SCREW (W/SP. WASHER) M5X14 (BLACK) 323-209 TAPPING SCREW (W/FLANGE) D5X35 (BLACK) 306-888 PUSHING BUTTON 320-219 SPRING 320-217 GEAR COVER ASS’Y INCLUD. 3, 4, 42, 43 320-226 SPECIAL NUT M10 320-225 PINION 320-221...
  • Page 24 PARTS G 18SRU ITEM CODE NO. REMARKS DESCRIPTION USED NAME PLATE 940-540 BRUSH CAP 999-044 CARBON BRUSH (1 PAIR) 999-074 CARBON BRUSH (AUTO STOP TYPE) (1 PAIR) 980-487 BRUSH HOLDER 325-642 HANDLE (A) 320-236 RESISTOR 938-477 HEX. SOCKET SET SCREW M5X8 320-235 SWITCH (2P PILLAR TYPE) W/SAFETY LOCK 960-266...
  • Page 25 STANDARD ACCESSORIES G 18SRU ITEM CODE NO. DESCRIPTION REMARKS USED 325-491 WRENCH OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 323-993 PIPE HANDLE SET INCLUD. 602 985-597 BOLT M14 310-337 SUPER WASHER --- 4 --- Printed in Japan 4 -- 06 * ALTERNATIVE PARTS (060414N)
  • Page 26 Hitachi Power Tools LIST NO. E273 ELECTRIC TOOL PARTS LIST DISC GRINDER 2006 • • Model G 23SR (E1)
  • Page 27 PARTS G 23SR ITEM CODE NO. DESCRIPTION REMARKS USED 315-636 SEAL LOCK SCREW (W/SP. WASHER) M5X14 (BLACK) 323-209 TAPPING SCREW (W/FLANGE) D5X35 (BLACK) 306-888 PUSHING BUTTON 320-219 SPRING 320-217 GEAR COVER ASS’Y 1 INCLUD. 3, 4, 34, 35 320-226 SPECIAL NUT M10 320-225 PINION 320-221...
  • Page 28 PARTS G 23SR ITEM CODE NO. REMARKS DESCRIPTION USED 980-487 BRUSH HOLDER 325-642 HANDLE (A) 938-477 HEX. SOCKET SET SCREW M5X8 320-238 SWITCH (2P PILLAR TYPE) W/SAFETY LOCK 1 OFF/LOCK 320-239 SWITCH (2P PILLAR TYPE) W/SAFETY LOCK 1 W/LOCK 960-266 CORD CLIP 984-750 TAPPING SCREW (W/FLANGE) D4X16...
  • Page 29 STANDARD ACCESSORIES G 23SR ITEM CODE NO. DESCRIPTION REMARKS USED 325-491 WRENCH 937-917Z WHEEL NUT (B) 1 FOR AUS 326-175 CASE 1 FOR EUROPE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 323-993 PIPE HANDLE SET INCLUD. 602 985-597 BOLT M14 310-337 SUPER WASHER --- 4 ---...
  • Page 30 Hitachi Power Tools LIST NO. E274 ELECTRIC TOOL PARTS LIST DISC GRINDER 2006 • • Model G 23SRU (E1)
  • Page 31 PARTS G 23SRU ITEM CODE NO. DESCRIPTION REMARKS USED 315-636 SEAL LOCK SCREW (W/SP. WASHER) M5X14 (BLACK) 323-209 TAPPING SCREW (W/FLANGE) D5X35 (BLACK) 306-888 PUSHING BUTTON 320-219 SPRING 320-217 GEAR COVER ASS’Y INCLUD. 3, 4, 42, 43 320-226 SPECIAL NUT M10 320-225 PINION 320-221...
  • Page 32 PARTS G 23SRU ITEM CODE NO. REMARKS DESCRIPTION USED NAME PLATE 940-540 BRUSH CAP 999-044 CARBON BRUSH (1 PAIR) 999-074 CARBON BRUSH (AUTO STOP TYPE) (1 PAIR) 980-487 BRUSH HOLDER 325-642 HANDLE (A) 320-236 RESISTOR 938-477 HEX. SOCKET SET SCREW M5X8 320-235 SWITCH (2P PILLAR TYPE) W/SAFETY LOCK 960-266...
  • Page 33 STANDARD ACCESSORIES G 23SRU ITEM CODE NO. DESCRIPTION REMARKS USED 325-491 WRENCH OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 323-993 PIPE HANDLE SET INCLUD. 602 985-597 BOLT M14 310-337 SUPER WASHER --- 4 --- Printed in Japan 4 -- 06 * ALTERNATIVE PARTS (060414N)

This manual is also suitable for:

G 23srG 18sruG 23sru

Table of Contents