ORDER NO. PTD0609U42CE
F16
Cordless Impact Driver
EY7540-U1
SPECIFICATIONS
CONTENTS
Page
Page
1 SCHEMATIC DIAGRAM
2
2
3
7
5 CHECK PARTS IDENTIFY PROCEDURE
6 EXPLODED VIEW
9
11
12
2 WIRING CONNECTION DIAGRAM
3 DISASSEMBLY/ASSEMBLY INSTRUCTIONS
4 TROUBLESHOOTING GUIDE
7 REPLACEMENT PARTS LIST
© 2006 Matsushita Electric Works Ltd. All rights
reserved. Unauthorized copying and distribution is a
violation of law.
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EY7540-U1 /
3 DISASSEMBLY/ASSEMBLY INSTRUCTIONS
Ref. No. 1A
Procedure 1A
Removal and attachment of the Housings.
1. Loosen the belt hook bolt turning it counterclockwise, using a
coin or a flat blade screwdriver.
2. Take out the belt hook.
3. Remove nine housing screws.
4. Open the housing B.
NOTE :
The housing A and B is tightened as the motor mounting base
is joint fitting.
Hold the housing B and take it out vertically.
5. Take out the fixation cover, protectors and anvil block.
(Removal)
NOTE :
When opening the housings, make sure that the main PCB is
on the housing A.
If the main PCB sticks in the housing B and pull it out from the
housing A, the ribbon cable may be defected.
3
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EY7540-U1 /
Ref. No. 1B
Procedure 1A → 1B
Removal and attachment of the Motor.
(Removal)
1. Take out the motor with the driving block from housing.
2. Separate the motor assembly from the driving block.
3. Take out the motor rotor assembly from the motor stator.
NOTE :
Make sure not to damage the magnet by motor rotor.
(Attachment)
1. Insert the motor rotor assembly into the stator with care of hitching
FET.
NOTE :
Make sure that there is no metal powder around the motor rotor.
Ref. No. 1C
Procedure 1A → 1B → 1C
Removal of the Driving Block.
1. Take out the planet gears and pins slightly tapping the driving
block on the table.
4
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EY7540-U1 /
Ref. No. 1D
Procedure 1A → 1B → 1C→1D
Removal and attachment of the Switch.
1. Take out the switch assembly from the housing.
(Attachment)
1. Connect the motor lead wires.
2. Insert the connectors into the FET, the main PCB and the motor
stator.
NOTE :
Make sure to handle the ribbon cable gently in order to avoid the
breakage.
Apply the grease (FLOIL) on the places where insert into the
connectors.
5
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EY7540-U1 /
Ref. No. 1E
Procedure 1A → 1B → 1C→ 1D→ 1E
Assembly of the Driving Block.
1. Press fit the lead wires firmly.
2. Place the ribbon cable properly without getting caught in the lead
wires.
6
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EY7540-U1 /
4 TROUBLESHOOTING GUIDE
(Refer to WIRING CONNECTION DIAGRAM)
7
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EY7540-U1 /
8
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EY7540-U1 /
5 CHECK PARTS IDENTIFY PROCEDURE
9
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EY7540-U1 /
10
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EY7540-U1 /
6 EXPLODED VIEW
11
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EY7540-U1 /
7 REPLACEMENT PARTS LIST
NOTE:
*B=only available as set
*C=available individually
Ref.No.
1
Part No.
WEY7540K3078
WEY7540K4058
WEY6507K1166
WEY6507L0856
WEY6507L0196
WEY7540K3717
WEY7540K3107
WEY7540L3137
WEY6505L0866
WEY6507L6976
WEY7540L1128
WEY7540L1067
WEY7201L6966
WEY7540L1377
WEY7300L6956
WEY6505L0896
WEY7540L0217
WEY6508L1146
WEY7540L1137
WEY6504L1357
WEY6506L1346
WEY7540L0028
WEY7201L4956
WEY7201L0986
WEY7201L3746
WEY7540L1467
WEY7540L1187
WEY7540L2108
WEY7540L2128
WEY7540L2067
WEY7540K2007
WEY7540L2157
WEY7540K3217
WEY6470K3186
WEY7540H0407
WEY7540L0167
WEY7540K3338
WEY7540H3247
WEY6230K9216
WEY9633K7018
WEY7540K8108
Part Name & Description
HOUSING AB SET
Remarks
Per Unit
1
1
1
1
1
1
1
1
1
2
1
1
2
1
27
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
9
1
1
2
FIXATION COVER ASSEMBLY
C-TYPE RING
3
4
THRUST PLATE
5
BIT HOLDER SPRING
BIT HOLDER
6
7
NOSE PROTECTOR
FIXATION COVER
SLIDER
8
9
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
-
STEEL BALL
*B
5/32 (2PCS/PK)
7/32 (2PCS/PK)
ANVIL
DRIVING SHAFT ASSEMBLY
STEEL BALL
*B
*B
HAMMER
STEEL BALL
(27PCS/PK)
THRUST PLATE
HAMMER SPRING
SPRING FIXING PLATE
DRIVING SHAFT
PLANET GEAR
*B
*B
(2PCS/PK)
(2PCS/PK)
PIN
MOTOR MOUNTING PLATE ASSEMBLY
BEARING
O-RING
MOTOR MOUNTING PLATE
MOTOR ROTOR ASSEMBLY
STATOR
MODULE ASSEMBLY
CONTROL PCB
RIBBON CABLE
SWITCH ASSEMBLY
BATTERY TERMINAL BLOCK
BELT HOOK SET
BELT HOOK BOLT
HOOK RELEASE LEVER
SPRING FOR RELEASE LEVER
OPERATION PANEL
F/R SELECTOR HANDLE
TORX TAPPING SCREW
TOOL CASE
(SH)
*C
K3-20
(SH)
(SH)
-
OPERATING INSTRUCTIONS
**Battery Pack is 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.
12
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