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Hitachi H 60MEY Service Manual
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Hitachi H 60MEY Service Manual

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PRODUCT NAME
Hitachi Demolition Hammer
H 60MEY
Model
H 60ME
CONTENTS
TROUBLESHOOTING GUIDE --------------------------------------------------------------------------------------------- 1
1. Troubleshooting and corrective action --------------------------------------------------------------------- 1
REPAIR GUIDE ---------------------------------------------------------------------------------------------------------------- 3
1. Precautions on disassembly and reassembly ----------------------------------------------------------- 3
STANDARD REPAIR TIME (UNIT) SCHEDULES ------------------------------------------------------------------ 18
LIST No.
H 60MEY: F437
H 60ME: F436
Jun. 2016
Page
Overseas Sales Division
H

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Summary of Contents for Hitachi H 60MEY

  • Page 1: Table Of Contents

    LIST No. H 60MEY: F437 H 60ME: F436 Jun. 2016 PRODUCT NAME Hitachi Demolition Hammer H 60MEY Model H 60ME CONTENTS Page TROUBLESHOOTING GUIDE --------------------------------------------------------------------------------------------- 1 1. Troubleshooting and corrective action --------------------------------------------------------------------- 1 REPAIR GUIDE ---------------------------------------------------------------------------------------------------------------- 3 1. Precautions on disassembly and reassembly ----------------------------------------------------------- 3...

  • Page 2: Troubleshooting Guide

    [Bold] numbers in the description below correspond to the item numbers in the parts list and exploded assembly diagram for the Model H 60MEY, {Bold} numbers to those for the Model H 60ME, and <Bold> numbers to those for both models.
  • Page 3 Problem Cause Check Corrective action • Improperly • Check the plug-in state of the • Firmly plug in the connected connector cable. connector cable. connector cable of (See “Reassembly of the the Panel Ass'y power supply unit” on page <72> PCB 12.) •...

  • Page 4: Repair Guide

    REPAIR GUIDE 1. Precautions on disassembly and reassembly WARNING: Be sure to disconnect the power cord plug from the wall outlet before conducting repair. Otherwise, the motor may run suddenly and you could get injured. Disassembly 1. Disassembly of the tool retainer Remove the Front Cap <1>...

  • Page 5: With The

    (g) Remove the Second Hammer <35> together with the Damper Holder <38>, Damper <37>, and Damper Washer <36> from the detached Retainer Sleeve <32>. (h) Strike the end of the Cylinder <39> with a plastic hammer to pull out the Striker <40>. <95>...
  • Page 6 (b) Remove the Bolt M6 x 45 [122]{112} and Bolt M6 x 22 [126]{116}, and then detach the Crank Case [121]{111} from the Gear Cover [128]{118}. NOTE: For the Model H 60MEY, also remove the weight ass’y. • Disassembly of the weight ass’y (Model H 60MEY only) Remove the Crank Cover <95>...
  • Page 7 3. Removal of the motor (1) Firmly hold the Housing <59> and use a • Removal of the motor plastic hammer to tap the shaft of the Rotor <66> until the spigot joint of the Gear Cover [128]{118} [128]{118} is removed from the Housing <59>.
  • Page 8 Reassembly Reassembly can be conducted by reversing the disassembly procedure. However, special attention should be given to the following items. 1. Reassembly of the hammering mechanism and low vibration mechanism (1) Mounting the first gear and crank shaft (a) Press-fit Oil Seal [123]{113} to the Crank Case [121]{111}.
  • Page 9 (b) Insert the Cylinder <39> into the Retainer Sleeve <32> and insert eight Needle Pins D8 <33> into the 8 mm dia. hole to connect them. To avoid dropping, apply Hitachi Motor Grease No. 29 to the inside of Spring Holder (B) <42> lightly and then cover the needle pin insertion section of the Retainer Sleeve <32>...
  • Page 10 • Mounting the cylinder and retainer sleeve Pay attention to the direction of the Retainer Damper Avoid the Oil Seal <23> Washer <30> and Damper Washer <36>. from being turned up. Position the slider groove upward. Insert position of the Lock Spring Washer <43> <10>...

  • Page 11: With The

    (4) Reassembly of the vibration reduction mechanism (Model H 60MEY only) (a) Apply Hitachi Motor Grease No. 29 to the Washer [112] and adhere it to the end face of the hole portion of the Weight [113]. (b) Insert the Weight [113] into the Base [118], and then insert the Weight Pin [114].
  • Page 12 • Reassembly of the lever holder ass’y <97> mark <100> <98> Eccentric pin <101> <99> (6) Mounting the crank cover (a) Insert the stepped portion of the Change Plate <104> into the notch of the Slider <49>. NOTE: Be sure to insert the stepped portion in the right direction according to the figure below.
  • Page 13 2. Reassembly of the power supply unit (1) Mounting the rotor ass’y Before inserting the Rotor <66> into the Housing <59>, mount the Rotor <66> on the Gear Cover [128]{118}. NOTE: Without the Gear Cover [128]{118}, the Rotor <66> will be strongly attracted and fixed to the Stator Sensor PCB Set <58>...
  • Page 14 (7) Mounting handles (A) and (B) (a) Insert the Handle Shaft <91> into handle (A) and fix it with the Screw D4 x 25 <85>. (b) Insert the Cord <90> and Cord Armor <87> and then fix the Cord Clip <88> with the Screw D4 x 16 <89>.
  • Page 15 • Reassembly of the power supply unit <58> <72> <84> Check the connector orientation. Connectable with either terminal. Check the connector orientation. Connectable with White either terminal. Black <90> Black <90> <67> <86> <87> Black Connectable with either terminal. <78> -14-...
  • Page 16 CAUTION: Both viscosity and consistency of the specified grease are optimized for the demolition hammer Models H 60ME and H 60MEY in order to prolong the service life. Therefore, applying other ordinary grease to the Models H 60ME and H 60MEY may dramatically shorten the product’s service life.
  • Page 17 Tightening torque CAUTION: Be sure to apply TB1401 screw locking agent to the threads of the following screws and bolts. Otherwise, the screws or bolts loosened by vibration may cause damage to the product body. • Hex. Socket Hd. Bolt (W/Flange) M8 x 35 <25> +1.96 for mounting the cylinder case ·······················································...
  • Page 18 Insulation test After completing disassembly and repair, measure the insulation resistance and dielectric strength. Insulation resistance: 7 MΩ or higher (as measured with a 500 VDC megohm tester) Dielectric strength: 4,000 VAC/1 minute, with no abnormalities --- 220 to 240 V (and 110 V for UK products) 2,500 VAC/1 minute, with no abnormalities --- 110 to 120 V (Except UK products) No-load current value After no-load operation for 30 minutes, the no-load current values should be as follows:...

  • Page 19: Standard Repair Time (Unit) Schedules

    STANDARD REPAIR TIME (UNIT) SCHEDULES *: Model H 60MEY only Variable MODEL Fixed Work Flow H 60MEY H 60ME Handle Transatory Controller Housing (A).(B) Ass'y Unit Ass'y Stator Back Cover Panel Ass'y Sensor Filter PCB Ass'y PCB Set Switch Cord Armor...
  • Page 20 LIST NO. F437 DEMOLITION HAMMER 2016 · 6 · 13 Model H 60MEY (E1)
  • Page 21 PARTS H 60MEY ITEM DESCRIPTION REMARKS CODE NO. USED 337562 FRONT CAP 318590 STOPPER RING 338155 RETAINER WASHER 339053 RETAINER DAMPER (A) 338154 GRIP 370669 BIT LOCK HOLDER 370668 THRUST PLATE 339052 RETAINER SPRING 337557 SPRING HOLDER (A) 949860 ROLL PIN D2 X 10 (10 PCS.)
  • Page 22 PARTS H 60MEY ITEM DESCRIPTION REMARKS CODE NO. USED 328880 O-RING 338228 PISTON PIN 328877 PISTON 328878 CONNECTING ROD 944954 BEARING WASHER 6201VV BALL BEARING 6201VV 961501 HEX. HD. TAPPING SCREW D5 X 60 340947 STATOR SENSOR PCB SET 100V-120V...
  • Page 23 PARTS H 60MEY ITEM DESCRIPTION REMARKS CODE NO. USED 500457Z CORD (CORD ARMOR D10.7) FOR CHN 338175 HANDLE SHAFT 338197 BACK COVER 994192 HEX. SOCKET HD. BOLT (W/FLANGE) M5 X 16 NAME PLATE 370390 CRANK COVER 338177 HEX. SOCKET HD. BOLT (W/FLANGE) M5 X 18...
  • Page 24 STANDARD ACCESSORIES H 60MEY ITEM DESCRIPTION REMARKS CODE NO. USED 313471 BULL POINT (SDS MAX) 280L 370395 CASE (PLASTIC) OPTIONAL ACCESSORIES ITEM DESCRIPTION REMARKS CODE NO. USED 981840 GREASE (A) FOR HAMMER. HAMMER DRILL (30G) 308471 GREASE FOR HAMMER. HAMMER DRILL (70G) 980927 GREASE FOR HAMMER.
  • Page 25 LIST NO. F436 DEMOLITION HAMMER 2016 · 6 · 13 Model H 60ME (E1)
  • Page 26 PARTS H 60ME ITEM DESCRIPTION REMARKS CODE NO. USED 337562 FRONT CAP 318590 STOPPER RING 338155 RETAINER WASHER 339053 RETAINER DAMPER (A) 338154 GRIP 370669 BIT LOCK HOLDER 370668 THRUST PLATE 339052 RETAINER SPRING 337557 SPRING HOLDER (A) 949860 ROLL PIN D2 X 10 (10 PCS.) 333228 BOLT M8 333202...
  • Page 27 PARTS H 60ME ITEM DESCRIPTION REMARKS CODE NO. USED 328880 O-RING 338228 PISTON PIN 328877 PISTON 328878 CONNECTING ROD 944954 BEARING WASHER 6201VV BALL BEARING 6201VV 961501 HEX. HD. TAPPING SCREW D5 X 60 340947 STATOR SENSOR PCB SET 100V-120V 340899 STATOR SENSOR PCB SET 220V-240V 338168...
  • Page 28 PARTS H 60ME ITEM DESCRIPTION REMARKS CODE NO. USED 338164 BACK COVER 994192 HEX. SOCKET HD. BOLT (W/FLANGE) M5 X 16 NAME PLATE 370390 CRANK COVER 338177 HEX. SOCKET HD. BOLT (W/FLANGE) M5 X 18 370383 CHANGE LEVER 337567 LEVER SPRING 959149 STEEL BALL D4.76 (10 PCS.) 878885...
  • Page 29 STANDARD ACCESSORIES H 60ME ITEM DESCRIPTION REMARKS CODE NO. USED 313471 BULL POINT (SDS MAX) 280L 313472 BULL POINT (SDS MAX) 400L FOR IND 370395 CASE (PLASTIC) OPTIONAL ACCESSORIES ITEM DESCRIPTION REMARKS CODE NO. USED 981840 GREASE (A) FOR HAMMER. HAMMER DRILL (30G) 308471 GREASE FOR HAMMER.

This manual is also suitable for:

H 60me