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MODEL H 30PV POWER TOOLS TECHNICAL DATA HAMMER H 30PV SERVICE MANUAL Jan. 2001 LIST No. E460 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT...
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Notice for use Specifications and parts are subject to change for improvement. Refer to Hitachi Power Tool Technical News for further information.
8-5. Adjusting Mechanism for Tool Swivel Angle ................10 9. REPAIR GUIDE .......................... 11 9-1. Precautions and Suggestions for Disassembly and Reassembly of Main Body ......11 10. STANDARD REPAIR TIME (UNIT) SCHEDULES ..............17 Assembly Diagram for H 30PV...
Hitachi Electric Hammer, Model H 30PV 2. MARKETING OBJECTIVE The Hitachi hammer Model H 30PV has been developed intended for faster and easier completion of light-duty jobs such as stripping mortar and tiles and allows use of SDS-plus shank tools. Main specifications are as...
Conventional mechanism for prevention of idle hammering is to open and close the air holes according to the movement of the striker. The Model H 30PV has air holes located at the position unaffected by the rebound of the striker at no load. The air holes are opened and closed by the movement of the sleeve provided around the cylinder that interlocks with the tool and the second hammer to prevent idle hammering.
5. SPECIFICATIONS Item H 30PV Power source Single-phase AC 50/60 Hz Voltage (V) 110, 120, 220, 230, 240 Motor type AC single-phase series commutator motor Insulation structure Double insulation Housing Grass-fiber reinforced resin (green) Enclosure ○ ○ ○ ○ ○...
(Note) Code numbers listed above are subject to change. Please refer to periodic Technical News Bulletins. 6. COMPARISONS WITH SIMILAR PRODUCTS 6-1. Specification Comparisons HITACHI Maker H 30PV Model name 720 (6.3 A) Power input Power output Full-load impact rate...
7. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Model H 30PV Hammer by all of our customers, it is very important that at the time of sale the salesperson carefully ensures that the buyer seriously recognizes the importance of the contents of the Handling Instructions, and fully understands the meaning of the precautions listed on the Caution Plate attached to each tool.
For Taiwan 7-3. Grease Replacement The striking portion and the speed reduction portion of the Model H 30PV respectively use different types of grease. Grease replacement is required if the unit is disassembled for maintenance or O-rings become damaged or worn as described in 7-4.
8. REFERENCE INFORMATION Structure: Piston Crank case cover Striker O-rings Crank shaft Connecting rod Second hammer Air chamber Cylinder Armature Fig. 2 8-1. Striking Operation The rotation of the armature is transferred to the crank shaft and connecting rod, which in turn cause the piston to reciprocate inside the cylinder.
Sleeve Second hammer chamber Air hole Forward movement of second hammer & striker Fig. 3 Front cap Switch handle O-ring O-ring O-ring O-ring Crank case Retainer sleeve O-ring Cylinder case Front cover seal Housing Fig. 4 8-3. Sealed and Dustproof Construction The crank case and cylinder case are sealed by five O-rings, and an oil seal which serve to prevent leakage of the grease, as well as to prevent dust and dirt from entering the mechanism.
8-4. Tool Retainer The Model H 30PV adopts the single-step tool retainer. Clean the shank portion of tool. (Fig. 5) Adjust the groove position by turning the tool and push it in direction until it latches itself. (Fig. 6) Check the latching by pulling on the tool. When removing the tool, pull Front Cap in direction (Fig.
9. REPAIR GUIDE 9-1. Precautions and Suggestions for Disassembly and Reassembly of Main Body The numbers in [Bold] below correspond to the item numbers in the Parts List and exploded assembly diagrams. 9-1-1. Disassembly Retainer disassembly Remove the Front Cap [1] (since the Front Cap is made of rubber, grasp its outer face and strongly pull it to remove).
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Piston and Striker O-rings After removal of Grip (C) [8], secure the main body. Put the wrench (special repair tool J-123, Code No. 970885) on the width across flat portion of the Front Cover [10] and turn it counterclockwise to remove the Front Cover [10] (Fig.
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Remove the four Seal Lock Hex. Socket Hd. Bolts M4 x 10 [30] from the Crank Case Cover [31] and pull the Crank Case Cover [31] upward to remove it. Remove the Connecting Rod [55] from the Crank Shaft [34]. Then the Piston [53] can be removed.
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Hammer Holder (A) [16], the sliding portion of the Second Hammer [19], and Oil Seal (B) [39]. Seal 40 g of special grease inside the Crank Case Ass'y [35] (Connecting Rod [55] side). Apply Hitachi Motor Grease No. 29 to the Needle Bearing (HK0810) and the pinion portion of the Armature Ass'y [59]. Insert 50 g of the Hitachi Motor Grease No.
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9-1-5. Wiring diagram For products with noise suppressor Plug (A) Switch Plug (B) Stator Noise suppressor Stator Fig. 16 For products without noise suppressor Plug (A) Plug (B) Switch Stator Stator Fig. 17 --- 15 ---...
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9-1-6. Wiring of variable speed control switch Insert each cord into the terminal 1 and terminal 2 of the speed control switch as shown in Fig. 18 and tighten the screw [tightening torque: 0.6 0.2 N•m (6 2 kg•cm, 5.2 1.7 in-lbs.)].