Instruction Manual
Page 7
... be deformed, cracked, or damaged. 16. hertz A amperes no load speed W watt Class II Construction ---/min ... ALWAYS attach the side handle and securely grip the Demolition Hammer. 20. ALWAYS wear eye protectors during operation. 21. Definitions for symbols used on the power tool V volts Hz .......... NEVER touch the accessory, such as an...
... be deformed, cracked, or damaged. 16. hertz A amperes no load speed W watt Class II Construction ---/min ... ALWAYS attach the side handle and securely grip the Demolition Hammer. 20. ALWAYS wear eye protectors during operation. 21. Definitions for symbols used on the power tool V volts Hz .......... NEVER touch the accessory, such as an...
Instruction Manual
Page 10
...prevent accidents, make sure to demolishing concrete, chiseling concrete, grooving, bar cutting, and driving piles in the ON position, this demolition hammer. 2. Power switch Ensure that the work area is connected to the power source requirements specified on the nameplate of piping and ... must be replaced or repaired. 4. NOTE: When using accessories such as practicable. English ASSEMBLY AND OPERATION APPLICATIONS ⅜ The demolition hammer should be repaired. If such a fautly receptacle is in a serious hazard. 5. The extension cord should be applied to use...
...prevent accidents, make sure to demolishing concrete, chiseling concrete, grooving, bar cutting, and driving piles in the ON position, this demolition hammer. 2. Power switch Ensure that the work area is connected to the power source requirements specified on the nameplate of piping and ... must be replaced or repaired. 4. NOTE: When using accessories such as practicable. English ASSEMBLY AND OPERATION APPLICATIONS ⅜ The demolition hammer should be repaired. If such a fautly receptacle is in a serious hazard. 5. The extension cord should be applied to use...
Instruction Manual
Page 12
...in order to warm it is not conveyed to the crushing position. 2. Fig. 7 12 Pull the trigger switch after a long idle time, this demolition hammer with a spring cushion on the handle so that chipping vibration is pressed or thrust forcibly against the work surface. NOTE: Sometimes the power tool does...striking stroke even when the motor rotates because oil has become thick. CAUTION: After long time of the bit to the operator. Operate this demolition hammer by utilizing its own weight. the performance will not be better even if it up. If the power tool is used at low temperatures...
...in order to warm it is not conveyed to the crushing position. 2. Fig. 7 12 Pull the trigger switch after a long idle time, this demolition hammer with a spring cushion on the handle so that chipping vibration is pressed or thrust forcibly against the work surface. NOTE: Sometimes the power tool does...striking stroke even when the motor rotates because oil has become thick. CAUTION: After long time of the bit to the operator. Operate this demolition hammer by utilizing its own weight. the performance will not be better even if it up. If the power tool is used at low temperatures...
Instruction Manual
Page 13
... Inspecting the retainner (Fig. 2 and 3) The retainer may become No. Should any wear and tear is noted. 2. This demolition hammer can be loosened, retighten them immediately. English MAINTENANCE AND INSPECTION WARNING: Be sure to securely hold the accessory shank portion. Replacing carbon...covers securely. 6. Inspecting the mounting screws Regularly inspect all mounting screws and ensure that they are consumable parts. Fig. 8 NOTE: Use HITACHI carbon brush No. 86 indicated in Fig. 8. 5. However, perform the grease replacement to or near the "wear limit", it results...
... Inspecting the retainner (Fig. 2 and 3) The retainer may become No. Should any wear and tear is noted. 2. This demolition hammer can be loosened, retighten them immediately. English MAINTENANCE AND INSPECTION WARNING: Be sure to securely hold the accessory shank portion. Replacing carbon...covers securely. 6. Inspecting the mounting screws Regularly inspect all mounting screws and ensure that they are consumable parts. Fig. 8 NOTE: Use HITACHI carbon brush No. 86 indicated in Fig. 8. 5. However, perform the grease replacement to or near the "wear limit", it results...
Instruction Manual
Page 14
Service and repairs All quality power tools will be used, all service and repairs must be performed by a authorized service center, ONLY. 14 Otherwise, this demolition hammer should not operate accurately. 7. English ⅜ Grease Replacement Period Inspect the grease amount according to the timing replacement period of grease. When the grease is.... To assure that only authorized replacement parts will eventually require servicing or replacement of parts because of the low viscosity type. NOTE: ⅜ The Hitachi Electric Hammer Grease A is consumed, purchase from normal use.
Service and repairs All quality power tools will be used, all service and repairs must be performed by a authorized service center, ONLY. 14 Otherwise, this demolition hammer should not operate accurately. 7. English ⅜ Grease Replacement Period Inspect the grease amount according to the timing replacement period of grease. When the grease is.... To assure that only authorized replacement parts will eventually require servicing or replacement of parts because of the low viscosity type. NOTE: ⅜ The Hitachi Electric Hammer Grease A is consumed, purchase from normal use.
Instruction Manual
Page 16
English ⅜ Asphalt Cutting + (1) Cutter Overall Length Code No. 20-15/32" (520 mm) 985232 ⅜ Scooping Work + (1) Scoop Overall Length Code No. ⅜ Tamping 21-1/2" (546 mm) 985233 (1) Rammer Outer Diameter 7-7/8" (200 mm) Code No. 305880 (2) Shank (for Rammer) Overall Length 15-35/64" (395 mm) Code No. 308092 ⅜ Hammer Grease A 1.1 lbs (500 g) (in a can) (Code No. 980927) NOTE: Specifications are subject to change without any obligation on the part of the HITACHI. 16
English ⅜ Asphalt Cutting + (1) Cutter Overall Length Code No. 20-15/32" (520 mm) 985232 ⅜ Scooping Work + (1) Scoop Overall Length Code No. ⅜ Tamping 21-1/2" (546 mm) 985233 (1) Rammer Outer Diameter 7-7/8" (200 mm) Code No. 305880 (2) Shank (for Rammer) Overall Length 15-35/64" (395 mm) Code No. 308092 ⅜ Hammer Grease A 1.1 lbs (500 g) (in a can) (Code No. 980927) NOTE: Specifications are subject to change without any obligation on the part of the HITACHI. 16
Instruction Manual
Page 47
...Brush Terminal 105 Stator Ass'y 106 Bearing Washer 107 Housing Cover 108 Collar 109 Hex. Bar Wrench 3MM 502 Hex. Bar Wrench 10MM Parts are subject to change without any obligation on the part of the HITACHI due to improvements. 47 Bolt 90 Cap Cover 91 Brush Cap 92 Carbon ...3 Lever Pin 4 Nylock High Tension Bolt M12×40 5 Damper (B) 6 Retainer Damper 7 Front Cover 8 O-Ring 9 O-Ring (S-90) 10 Second Hammer 11 O-Ring (D) 12 O-Ring (A) 13 Hammer Holder 14 Damper 15 Cylinder Case 16 Nylock Bolt M10×45 17 Washer M10 18 O-Ring 19 Striker 20 Piston 21 Piston...
...Brush Terminal 105 Stator Ass'y 106 Bearing Washer 107 Housing Cover 108 Collar 109 Hex. Bar Wrench 3MM 502 Hex. Bar Wrench 10MM Parts are subject to change without any obligation on the part of the HITACHI due to improvements. 47 Bolt 90 Cap Cover 91 Brush Cap 92 Carbon ...3 Lever Pin 4 Nylock High Tension Bolt M12×40 5 Damper (B) 6 Retainer Damper 7 Front Cover 8 O-Ring 9 O-Ring (S-90) 10 Second Hammer 11 O-Ring (D) 12 O-Ring (A) 13 Hammer Holder 14 Damper 15 Cylinder Case 16 Nylock Bolt M10×45 17 Washer M10 18 O-Ring 19 Striker 20 Piston 21 Piston...
Parts List
Page 2
... (B) 2 6 305-621 RETAINER DAMPER 2 7 318-652 FRONT COVER 1 8 993-188 O-RING 1 9 877-316 0 -RING (S-90) 1 10 318-653 SECOND HAMMER 1 11 992-865 0 -RING (D) 1 12 956-503 O-RING (A) 1 13 318-654 HAMMER HOLDER 1 14 992-859 DAMPER 1 15 305-615 CYLINDER CASE 1 16 306-372 NYLOCK BOLT M10X45 4 17 949-445 WASHER... (NSK RLM2220) 1 25 992-870 PIN 1 26 992-869 SWITCH LEVER 1 27 968-643 RETAINING RING (E-TYPE) FOR D4 SHAFT 1 28 993-496 SEAL LOCK HEX.
... (B) 2 6 305-621 RETAINER DAMPER 2 7 318-652 FRONT COVER 1 8 993-188 O-RING 1 9 877-316 0 -RING (S-90) 1 10 318-653 SECOND HAMMER 1 11 992-865 0 -RING (D) 1 12 956-503 O-RING (A) 1 13 318-654 HAMMER HOLDER 1 14 992-859 DAMPER 1 15 305-615 CYLINDER CASE 1 16 306-372 NYLOCK BOLT M10X45 4 17 949-445 WASHER... (NSK RLM2220) 1 25 992-870 PIN 1 26 992-869 SWITCH LEVER 1 27 968-643 RETAINING RING (E-TYPE) FOR D4 SHAFT 1 28 993-496 SEAL LOCK HEX.
Parts List
Page 4
...M5X8 2 INTERNAL WIRE HOLDER 1 TAIL COVER 1 SEAL LOCK HEX. BAR WRENCH 10MM NO. SHANK TYPE) 1 603 985-231 COLD CHISEL 520MM (HEX. SHANK TYPE) 1 608 305-626 CYLINDER CASE COVER 1 609 936-728 WRENCH 1 610 980-927 I GREASE FOR HAMMER.HAMMER DRILL (500G) 1 I ----t - 4 - * ...: ALTERNATIVE PARTS REMARKS Printed in Japan 2 - 00 (000225 N) USED 1 602 985-230 BULL POINT 20-1/2" (HEX. BOLT (W/FLANGE) M6X16 4 STANDARD ACCESSORIES ITEM NO. SHANK TYPE) NO...
...M5X8 2 INTERNAL WIRE HOLDER 1 TAIL COVER 1 SEAL LOCK HEX. BAR WRENCH 10MM NO. SHANK TYPE) 1 603 985-231 COLD CHISEL 520MM (HEX. SHANK TYPE) 1 608 305-626 CYLINDER CASE COVER 1 609 936-728 WRENCH 1 610 980-927 I GREASE FOR HAMMER.HAMMER DRILL (500G) 1 I ----t - 4 - * ...: ALTERNATIVE PARTS REMARKS Printed in Japan 2 - 00 (000225 N) USED 1 602 985-230 BULL POINT 20-1/2" (HEX. BOLT (W/FLANGE) M6X16 4 STANDARD ACCESSORIES ITEM NO. SHANK TYPE) NO...