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Panasonic EY6931 Service Manual

Cordless hammer drill & driver
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See also: Operating Manual

SPECIFICATIONS

Capability
Motor
No load speed
Blows rate per minute
Chuck capacity
Maximum torque
Blow strength
Overall length
Weight (with battery pack)
CONTENTS
EY6931
Screw driving
Machine screw
Wood screw
Drilling
Mortal Brick
Wood
Metal
LOW
HIGH
LOW
HIGH
LOW
HIGH
Page
2
2
3
5
Cordless Hammer Drill & Driver
Ø2.1 - Ø5.8mm (5/64"~ 15/64")
Ø3 - Ø36mm (1/8" - 1-27/64")
Ø1.5 - Ø13mm (1/16" - 1/2")
Ø1.5 - Ø13mm (1/16" - 1/2")
25.5Nm (260kgf-cm, 255in-lbs.)
5.9Nm (60kgf-cm, 52in-lbs.)
© 2000 Matsushita Electric Works Ltd. All rights
reserved. Unauthorized copying and distribution is a
violation of law.
ORDER NO. PTD0009U37C1
M3.5 - M6
Ø3 - Ø13mm (1/8" - 1/2")
DC Motor 15.6V
80 - 550/min (rpm)
300 - 2,000/min (rpm)
1,200 - 8,250/min (bpm)
4,500 - 30,000/min (bpm)
1.7kN (170kgf, 370lbs.f)
236mm (10-23/32")
2.3kg (5.1lbs.)
Page
8
10
11
12

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Summary of Contents for Panasonic EY6931

  • Page 1: Table Of Contents

    ORDER NO. PTD0009U37C1 Cordless Hammer Drill & Driver EY6931 SPECIFICATIONS Capability Screw driving Machine screw M3.5 - M6 Wood screw Ø2.1 - Ø5.8mm (5/64"~ 15/64") Drilling Mortal Brick Ø3 - Ø13mm (1/8" - 1/2") Wood Ø3 - Ø36mm (1/8" - 1-27/64") Metal Ø1.5 - Ø13mm (1/16"...

  • Page 2: Schematic Diagram

    EY6931 1 SCHEMATIC DIAGRAM 2 WIRING CONNECTION DIAGRAM...

  • Page 3: Disassembly Instructions

    EY6931 3 DISASSEMBLY INSTRUCTIONS 3.1. HOW TO REMOVE KEYLESS DRILL CHUCK. Ref. No. 1A Procedure 1A Removal of keyless drill chuck. 1. Set clutch handle to position 2. Turn lock handle counterclockwise direction to open chuck jaws. 3. Use a screwdriver to turn chuck fastening screw inside chuck clockwise direction of arrow, and remove the screw.

  • Page 4: Clutch Handle A

    EY6931 Procedure 2A → → → → 2B Ref. No. 2B Removal or attachment of motor. (Removal of motor.) 1. Remove motor with gear block from housing. 2. Separate motor from gear box block by twisting motor to unlock tabs.

  • Page 5: Assembly Instructions

    EY6931 4 ASSEMBLY INSTRUCTIONS...

  • Page 6: Clutch Case

    EY6931 4.1. HOW TO ASSEMBLE DRIVING BLOCK AND GEAR CASE. Ref. No. 3A Procedure 3A Assembly of driving block. 1. Assemble clutch plate, clutch spring and adjust ring to outside of clutch case. 2. The click plate has its own correct direction for proper assembly.

  • Page 7: Carrier

    EY6931 Procedure 3A → → → → 3B → → → → 3C Ref. No. 3C Assembly of gear case 1. Reinstalling place 2pcs of steel balls into each of 6 holes. 2. Insert 6 pins into clutch case. 3. Assemble carrier, ring gear, 3 pieces of planet gear and thrust plate.

  • Page 8: Troubleshooting Guide

    EY6931 5 TROUBLESHOOTING GUIDE (Refer to WIRING CONNECTION DIAGRAM.) 5.1. CHECK POINTS FOR ELECTRICAL PARTS. < TROUBLE > < CHECK > < REMEDY > → Does not operate. — <CHECK BATTERY PACK.> Replace battery pack. If no less than 15.6 V DC is available across the (+) and (-) terminals, the battery pack is OK.
  • Page 9 EY6931 5.2. CHECK POINTS FOR DRIVING BLOCK. < TROUBLE > < CHECK > < REMEDY > → Does not vibrate — <CHECK DRIVING SHAFT (CAM B) AND CAM A.> Replace driving or weakness of shaft or cam A. vibration. Check wear condition of driving shaft (cam B) and cam A (When setting inside of clutch case.

  • Page 10: Trial Operation

    EY6931 6 TRIAL OPERATION (after checking TROUBLESHOOTING GUIDE.) 1. Check vibrating operation by setting clutch handle to , then touching bit on a board. Impact rate per minutes : (HIGH) 4,500 - 30,000 b.p.m. (LOW) 1,200 - 8,250 b.p.m. Impact strength : 1.7kN (170kgf)

  • Page 11: Exploded View

    7 EXPLODED VIEW...

  • Page 12: Replacement Parts List

    EY6931 8 REPLACEMENT PARTS LIST NOTE: *A --- available as an optional accessory *B --- only available as set *C --- available individually Ref. No. Part No. Part Name & Description Remarks Per Unit WEY6931K3078 HOUSING AB SET EYT103L6807 CHUCK FASTENING SCREW...

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