ORDER NO.PTD0310U37C1
F16
Cordless Hammer Drill Driver
EY6950-U1
SPECIFICATIONS
CONTENTS
Page
Page
1 SCHEMATIC DIAGRAM
2
2
3
4 TROUBLESHOOTING GUIDE
5 EXPLODED VIEW
7
9
2 WIRING CONNECTION DIAGRAM
3 DISASSEMBLY/ASSEMBLY INSTRUCTIONS
6 REPLACEMENT PARTS LIST
10
© 2003 Matsushita Electric Works Ltd. All rights
reserved. Unauthorized copying and distribution is a
violation of law.
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EY6950-U1
3 DISASSEMBLY/ASSEMBLY INSTRUCTIONS
IHOW TO DISASSEMBLE KEYLESS CHUCK.
Ref. No. 1A
Procedure 1A
Removal of the Keyless Drill Chuck.
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)
Fig. 1
Fig. 2
Fig. 3
3
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EY6950-U1
IHOW TO DISASSEMBLE MAIN UNIT.
Ref. No. 2A Procedure 2A
Removal of the Housing.
1. Remove the side handle. (See Fig. 4)
2. Remove nine housing screws. (See Fig. 5)
NOTE :
Grease rubbing part of housing with Shell Alvania for assembly.
(See Fig. 6)
Fig. 4
Fig. 6
Fig. 5
Ref. No. 2B
Procedure 2A → 2B
Removal or attachment of the Motor.
(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.
Fig. 7
4
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EY6950-U1
Ref. No. 2C
Procedure 2A → 2B → 2C
Removal or attachment of the Gear Box Block.
(Removal)
1. Turn the thrust plate to remove.
2. The internal parts of gear box block 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.
Fig. 8
Fig. 9
Fig. 10
5
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EY6950-U1
Ref. No. 2D
Procedure 2D
Assembly of the Adjusting Screw and the Clutch Handle.
1. Hold the driving block with the click spring on top, and align the
smallest projection of adjusting screw with the clutch case at 5 o´clock
position.
NOTE:
Make sure that the adjusting screw has its own correct direction
for proper assembly.
Failure to do so, the clutch 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. 11
Fig. 13
Fig. 12
Fig. 14
Ref. No. 2E
Procedure 2A → 2B → 2C→ 2D → 2E
Assembly of the Switch.
1. Press fit the lead wires firmly and set the black lead wire on top.
2. Connect the switch with the white and black lead wire at 55°
position. (See Fig .15)
Fig. 15
6
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EY6950-U1
4 TROUBLESHOOTING GUIDE
(Refer to WIRING CONNECTION DIAGRAM)
< TROUBLE >
Does not operate.
< CHECK >
<CHECK BATTERY PACK.>
< REMEDY >
NO Replace battery pack.
→
→
If no less than 18V DC is available across the (+) and (-) terminals,
the battery pack is OK.
The battery pack is sold separately as an optional accessory.
See the nearest sales dealer for details. The battery pack has a
limited life.
NOTE:
The pack should be replaced if
-
after being charged for the rated charging time the battery voltage
is less than 18V DC or the usable time is extremely short.
the battery leaks. Check battery for leaks and terminals for
corrosion.
-
↓OK
<CHECK TERMINAL CONNECTIONS BETWEEN MAIN UNIT
AND BATTERY PACK.>
NO Repair contacts.
→
Check for proper terminal contacts.
↓OK
<CHECK SWITCH BLOCK.>
NO Contacts in switch block
(See WIRING CONNECTION DIAGRAM.)
→
are defective.
Replace switch & FET
block.
Check continuity between following terminals.
*
Inspection of the forward / reverse selection switch.
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 normally operates with its white (+) and black (-) lead wires
connected to 18V DC.
→
Does not speed-
control.
<CHECK FET.>
NO Repair the contact
Even if FET block is defective, it can not be replaced individually.
Replace whole switch block.
→
or replace switch
& FET block.
Remove the FET circuit block and check the lead wire terminals.
These terminals are open normally when there is an open circuit (
between the green and yellow lead wires, and between the blue and
yellow lead wires.
Ω)
NOTE:
*
FET is weak against static electricity.
** The resistance value may be some differences depends on the
measurement range.
7
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EY6950-U1
< TROUBLE >
Does not vibrate.
(When setting clutch
< CHECK >
<CHECK CLUTCH HANDLE.>
Check the condition of inside of clutch handle if two projections were
broken or not.
< REMEDY >
NO Replace clutch
handle.
→
→
handle to
.)
Weakness of
vibration.
(When setting
clutch handle
<CHECK DRIVING BLOCK.>
NO Replace driving
block.
→
→
Check wear condition of driving shaft and cam.
→
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.>
Check wear condition of 6 pieces of clutch springs.
connected to 18V DC.
NO Replace clutch
→
springs.
↓OK
<CHECK ADJUSTING SCREW.>
NO Replace adjusting
screw.
Check wear condition of projection parts of adjusting screw.
→
↓OK
<CHECK GEAR CASE.>
NO Replace gear
case.
Check wear condition of gear case if it is cracked or broken.
→
8
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EY6950-U1
5 EXPLODED VIEW
9
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EY6950-U1
6 REPLACEMENT PARTS LIST
NOTE:
*B=only available as set
*C=available individually
Ref.No.
1
Part No.
WEY6950K3078
EY6481L0177
WEY6450L6808
WEY6950Y3228
WEY6450L0638
WEY6450L0578
WEY6450L0168
WEY6813L1927
WEY6450L0388
WEY6950L1078
EY6283L0377
EY6901L1107
WEY6450L1488
WEY6450L1348
WEY6450L0858
WEY6450L1768
EY6406K9038
WEY6450L1128
WEY6450L1358
WEY6200B1468
WEY6950L1118
WEY6950L1478
EY6230L1367
WEY6450L0868
WEY6950L0358
WEY6450L0178
WEY6450Y3238
WEY6405Y3248
EYT184L6077
WEY6450L0028
WEY6450L1008
WEY6450S6028
WEY6950Y2008
EY6406L2568
EY6230L0207
EY6230K9218
WEY6950L1458
WEY6450K4628
WEY6950K8108
Part Name
HOUSING AB SET
CLICK SPRING
&
Description
Remarks
Per Unit
1
1
1
1
1
1
6
6
6
1
6
1
1
3
1
1
4
1
3
1
1
1
4
1
2
1
1
1
2
1
1
2
1
1
1
9
1
1
1
2
3
CHUCK FASTENING SCREW
CLUTCH HANDLE
ADJUSTING SCREW
CLUTCH PLATE
CLUTCH SPRING
STEEL BALL
5
6
7
8
*B
*B
*B
(6pcs/PK)
(6pcs/PK)
(6pcs/PK)
9
5
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
-
PIN
5.3*20.3
DRIVING BLOCK
PIN
*B
*B
(6pcs/PK)
(3pcs/PK)
3.175*7.2
CARRIER
RING GEAR
PLANET GEAR
THRUST PLATE
GEAR CASE
TORX TAPPING SCREW
*C
*B
K3-12
CARRIER
A
PLANET GEAR
A
(3pcs/PK)
RING GEAR
CARRIER
B
RING GEAR
PLANET GEAR
THRUST PLATE
PIN
*B
*B
(4pcs/PK)
(2pcs/PK)
CLICK SPRING
A
H/L CHANGE HANDLE
F/R SELECTOR HANDLE
SCREW
*C
*C
K4-6
K3-5
MOTOR MOUNTING PLATE
DC MOTOR
SEMS SCREW
SWITCH
HEAT SINK
with
a
screw
DUST PREVENTIVE PLATE
TORX TAPPING SCREW
GEAR BOX BLOCK
SIDE HANDLE
*C
K3-20
OPERATING INSTRUCTIONS
**Battery Pack, Keyless Chuck, and Tool Case are available as an optional accessory.
See the nearest sales dealer for details.
***For replacement parts of charger, see the charger service manual.
Charger complete set is available as an optional accessory. See the nearest sales dealer for details.
10
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