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Hitachi SP 18SA Technical And Service Manual

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MODELS
SP 18SA
POWER TOOLS
TECHNICAL DATA
POLISHER
AND
SP 18SA
SERVICE MANUAL
S
LIST No. 0351
Sep. 1999
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

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Summary of Contents for Hitachi SP 18SA

  • Page 1 MODELS SP 18SA POWER TOOLS TECHNICAL DATA POLISHER SP 18SA SERVICE MANUAL LIST No. 0351 Sep. 1999 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: Competitor Symbol Utilized Company Name Model Name 9218 PB MAKITA...

  • Page 3: Table Of Contents

    [ Appendix ] Assembly Diagram for SP 18SA • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •...

  • Page 4: Products Name

    Hitachi Polisher, Model SP 18SA [180 mm (7")] 2. MARKETING OBJECTIVE The Model SP 18SA is a high-power and double-insulated electric polisher with a stand-up design specially developed to meet customer demands in European, North American and Asian markets. This polisher will make it possible to exploit new markets because it is the first product in our polisher line to satisfy this range of damands.

  • Page 5: Selling Point Descriptions

    Compared with a typical competitor's model C in terms of this indicator, the Model SP 18SA proves to have higher performance as shown in Table 1.
  • Page 6 The key features of the new dust seal are as follows. (1) Width is increased to 6.5 mm (C: 2 mm) (2) 2-step side construction is provided and each step has labyrinth grooves. HITACHI SP 18SA 2 mm 6.5 mm Labyrinth grooves Labyrinth grooves Fig.

  • Page 7: Specifications

    5. SPECIFICATIONS Model SP 18SA Item 180 mm (7") Capacity Power source AC single phase 50 or 60 Hz Voltage (V) Current (A) Power input (W) Voltage, current and power input 2,000 /min Rotation speed (no-load) Type of motor AC single-phase commutator motor...

  • Page 8: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS 6-1. Specification Comparisons Maker HITACHI Model SP 18SA Capacity 180 (7") 180 (7") Power input Power output 390 (0.5 hp) 370 (0.5 hp) Max. power output (220 --- 230 V / 115 --- 110 V) 910 (1.2 hp) / 760 (1.0 hp)

  • Page 9: Practical Test Data

    7. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Model SP 18SA Polisher 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 Name Plate attached to each tool.

  • Page 10: Cautions On Name Plate

    7-2. Cautions on Name Plate The following basic precautions are listed on the Name Plate attached to the main body of each tool. (1) For Taiwan (1) For the U.S.A. and Canada -- WARNING -- To reduce the risk of injury, the user must read and understand instruction manual. AVERTISSEMENT Afin de rèduire le risque de blessures, l'utilisateur doit lire et bien comprendre le mode d'emploi.

  • Page 11: Precautions In Disassembly And Reassembly

    8. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY The [Bold] numbers in the descriptions below correspond to the item numbers in the Parts List and exploded assembly diagram for SP 18SA. 8-1. Disassembly of the Armature Ass'y and the Lock Lever Ass'y (1) Loosen the two Brush Caps [27], and take out the Carbon Brushes [26].

  • Page 12: Disassembly Of The Stator Ass'y

    8-2. Disassembly of the Stator Ass'y (1) After taking off the Armature Ass'y [17], loosen the five Tapping Screws D4 X 20 [30] and remove the Tail Cover [29], the Handle Cover [33] and the Fan Guide [20]. (2) Disconnect the lead wires of the Stator Ass'y [21] from Switch (C) [37]. Then, disconnect the lead wires of Noise Suppressor [34].

  • Page 13: Reassembly

    8-4. Reassembly Perform reassembly in the reverse order of disassembly while ovserving the given precautions and taking care of the following points. (1) After disassembly, thoroughly remove old grease from the inside of the Gear Cover [8], and insert 30 g of new grease (Nippeco JF-375, Code No.

  • Page 14: Insulation Tests

    8-7. Insulation Tests On completion of reassembly after repair, measure the insulation resistance and conduct the dielectric strength test. 7 M Ω or more with DC 500V Megohm Tester Insulation resistance: Dielectric strength: AC 4,000 V for 1 minute, with no abnormalities 220 V --- 230 V •...

  • Page 15: Standard Repair Time (Unit) Schedules

    9. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed Work Flow SP 18SA Switch Cord Housing Stator General Assembly Armature Ball Bearing (6000DD) Ball Bearing (608VV) Dust Seal Inner Cover Gear Cover First Gear Ball Bearing (6201DD) Spindle...

  • Page 16: Assembly Diagram For Sp 18Sa

    Assembly Diagram for SP 18SA --- 13 ---...
  • Page 17 SP 18SA PARTS ITEM CODE NO. DESCRIPTION REMARKS USED 953-381 WASHER NUT 953-246Z WASHER NUT M14 FOR ITA,ESP 953-254P WASHER NUT 5/8"-11UNC FOR USA 953-255 RUBBER PAD (D16 HOLE) FOR INA,SIN,HKG,USA,CHN 953-247Z RUBBER PAD (D14 HOLE) FOR ITA,ESP 944-005 BEARING CAP...
  • Page 18 SP 18SA PARTS ITEM CODE NO. DESCRIPTION REMARKS USED 938-051 CORD ARMOR D10.1 500-234Z CORD (CORD ARMOR D8.8) 930-051 CORD (CORD ARMOR D10.1) FOR TPE 500-455Z CORD (CORD ARMOR D8.8) FOR CHN 500-423Z CORD (CORD ARMOR D8.8) FOR SIN 500-237Z CORD (CORD ARMOR D8.8) FOR HKG...

  • Page 19: Standard Accessories

    SP 18SA STANDARD ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 937-913Z WRENCH FOR INA,SIN,HKG,ITA,ESP,USA,CHN 949-103 WOOL BONNET 180MM OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 949-103 WOOL BONNET 180MM : ALTERNATIVE PARTS 5 ---- 99 Printed in Japan (990510 N)

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