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HOW TO DISASSEMBLE KEYLESS CHUCK.

3 DISASSEMBLY/ASSEMBLY INSTRUCTIONS

Ref. No. 1A

Procedure 1A

Removal of the Keyless Drill Chuck.

Fig. 1

Fig. 2

Fig. 3

1. Set the clutch handle to position 1 and select "LOW" position.
2. Turn the lock collar counterclockwise direction to open the chuck
jaws.
3. Use a screwdriver to turn the chuck fastening screw inside the
chuck clockwise direction of the arrow, and remove the screw. (See
Fig. 1)

NOTE :

If the chuck fastening screw will not come loose, insert the
allen wrench into the chuck and lightly tap in the clockwise
direction with a hammer to tighten the chuck, and then loosen
the chuck fastening screw. (See Fig. 2)

4.Insert the allen wrench into the chuck, and turn counterclockwise
direction in the arrow with holding the unit by the vise to remove
the chuck. (See Fig. 3)

3

EY6950-U1

Summary of Contents for EY6950-U1

Page 1: ... 3 2003 Matsushita Electric Works Ltd All rights reserved Unauthorized copying and distribution is a violation of law EY6950 U1 4 TROUBLESHOOTING GUIDE 7 5 EXPLODED VIEW 9 6 REPLACEMENT PARTS LIST 10 Cordless Hammer Drill Driver SPECIFICATIONS CONTENTS Page Page ORDER NO PTD0310U37C1 F16 ...

Page 2: ...1 SCHEMATIC DIAGRAM 2 WIRING CONNECTION DIAGRAM 2 EY6950 U1 ...

Page 3: ...to turn the chuck fastening screw inside the chuck clockwise direction of the arrow and remove the screw See Fig 1 NOTE If the chuck fastening screw will not come loose insert the allen wrench into the chuck and lightly tap in the clockwise direction with a hammer to tighten the chuck and then loosen the chuck fastening screw See Fig 2 4 Insert the allen wrench into the chuck and turn counterclock...

Page 4: ...part of housing with Shell Alvania for assembly See Fig 6 Fig 6 Ref No 2B Procedure 2A 2B Removal or attachment of the Motor Fig 7 Removal 1 Take out the motor with the gear box block from housing 2 Separate the motor from the gear box block by twisting the motor to unlock tabs See Fig 7 Attachment 3 Motor mounting base and the positioning rib of gear case should be set 4 EY6950 U1 ...

Page 5: ...k can be removed one after another See Fig 8 Attachment 1 Start from inserting 6 pins into the driving block as shown in the Fig 9 2 Assemble the other parts in reverse order as shown in the Fig 8 3 Install steel balls pins and clutch springs into 6 holes See Fig 10 NOTE Carrier Ring gear and Clutch plate have their own correct directions for proper assembly 5 EY6950 U1 ...

Page 6: ...lutch handle does not rotate properly See Fig 11 2 Turn the adjusting screw into the driving block about 255 rotation at 2 o clock position for clockwise direction See Fig 12 3 Insert 2 pins and set each length on top and bottom should be same See Fig 13 4 Set the clutch handle with position 1 on top See Fig 14 Fig 13 Fig 14 Ref No 2E Procedure 2A 2B 2C 2D 2E Assembly of the Switch Fig 15 1 Press ...

Page 7: ... are defective Check continuity between following terminals Replace switch FET Inspection of the forward reverse selection switch block When switch handle is depressed all the way There should be 0Ω between A D and between B C when switch lever is set to forward side There should be 0Ω between A C and between B D when switch lever is set to reverse side OK CHECK MOTOR NO Replace motor The motor no...

Page 8: ...am block When setting clutch handle to Weakness of CHECK RING GEAR NO Replace ring gear clutch operation Check wear condition of protrusion parts of ring gears OK CHECK CLUTCH SPRING NO Replace clutch Check wear condition of 6 pieces of clutch springs springs connected to 18V DC OK CHECK ADJUSTING SCREW NO Replace adjusting Check wear condition of projection parts of adjusting screw screw OK CHECK...

Page 9: ...5 EXPLODED VIEW 9 EY6950 U1 ...

Page 10: ...pcs PK 3 21 WEY6200B1468 RING GEAR B 1 22 WEY6950L1118 CARRIER 1 23 WEY6950L1478 RING GEAR 1 24 EY6230L1367 PLANET GEAR B 4pcs PK 4 25 WEY6450L0868 THRUST PLATE 1 26 WEY6950L0358 PIN B 2pcs PK 2 27 WEY6450L0178 CLICK SPRING A 1 28 WEY6450Y3238 H L CHANGE HANDLE 1 29 WEY6405Y3248 F R SELECTOR HANDLE 1 30 EYT184L6077 SCREW C K4 6 2 31 WEY6450L0028 MOTOR MOUNTING PLATE 1 32 WEY6450L1008 DC MOTOR 1 33...

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