Panasonic EY7201-X8 User manual

1 SCHEMATIC DIAGRAM 2
2 WIRING CONNECTION DIAGRAM 2
3 DISASSEMBLY/ASSEMBLY INSTRUCTIONS 3
©2004 Matsushita Electric Works Ltd. All rights
reserved. Unauthorized copying and distribution is a
violation of law.
EY7201-X8
4 TROUBLESHOOTING GUIDE 5
5 EXPLODED VIEW 7
6 REPLACEMENT PARTS LIST 8
Cordless Impact Driver
SPECIFICATIONS
CONTENTS
Page Page
ORDER NO. PTD0405X31C8

1 SCHEMATIC DIAGRAM
2 WIRING CONNECTION DIAGRAM
2
EY7201-X8

3 DISASSEMBLY/ASSEMBLY INSTRUCTIONS
Ref. No. 1A Procedure 1A Removal of the Housing and the Fixation cover
assembly.
1. Loosen the screw 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.
5. Take out the fixation cover, protectors and anvil block.
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.
NOTE :
Make sure that the motor stator has their own direction for proper
assembly. If it is assembled wrongly, the rotation may be the
opposite way.
3
EY7201-X8

Ref. No. 1C Procedure 1A →
→→
→1B →
→→
→1C Removal of the Driving Block.
1. Remove the thrust plate.
2. Take out the planet gears and pins slightly tapping the driving block
on the table.
Ref. No. 1D Procedure 1A →
→→
→1B →
→→
→1C→
→→
→1D Assembly of the Switch.
1. Press fit the lead wires firmly.
2. Assembly the lever switch with a projection on top.
3. Connect the motor lead wires without touching (+) terminal and (-)
terminal.
4. Press fit the lead wires of LED light in a groove of F/R selector
handle.
4
EY7201-X8

(Refer to WIRING CONNECTION DIAGRAM)
4 TROUBLESHOOTING GUIDE
< TROUBLE > < CHECK > < REMEDY >
Does not operate. <CHECK BATTERY PACK.> NO Replace battery pack.
→If no less than 12V DC is available across the (+) and (-) terminals, →
the battery pack is OK.
NOTE: The battery pack is sold separately as an optional accessory.
See the nearest sales dealer for details. The battery pack has a
limited life.
The pack should be replaced if;
-after being charged for the rated charging time the battery voltage
is less than 12V 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 NO Repair contacts.
AND BATTERY PACK.> →
Check for proper terminal contacts.
↓OK
<CHECK SWITCH BLOCK.> NO Contacts in switch block
(See WIRING CONNECTION DIAGRAM.) →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 0Ωbetween (B) - (D) ,
when switch lever is set to forward side.
-There should be 0Ωbetween (A) - (D) ,
when switch lever is set to reverse side.
↓OK
<CHECK MOTOR BRUSH.> NO Replace motor
A. Check the condition of carbon brush. →brush assembly.
(Do not touch between brush holder and holding spring.)
B. There should be 0Ωbetween motor lead wire and
terminal of brush holder.
↓OK
<CHECK MOTOR ROTOR.> NO Replace motor
Check the condition of rotor if there is any wear, crack and deformation. →rotor assembly.
↓OK
<CHECK MOTOR STATOR.> NO Replace motor
Check the condition of motor case if there is any crack and deformation. →stator.
5
EY7201-X8

< TROUBLE > < CHECK > < REMEDY >
Does not speed- <CHECK FET.> NO Repair the contact
control. →Even if FET block is defective, it can not be replaced individually. →or replace switch
Replace whole switch block. & FET block.
Remove the FET circuit block and check the lead wire terminals.
These terminals are open normally when there is an open circuit ( Ω)
between the green and red lead wires, and between the black and
red lead wires.
NOTE:
*FET is weak against static electricity.
** The resistance value may be some differences depends on the
measurement range.
Does not vibrate <CHECK ANVIL.> NO Replace anvil.
or weakness of →Check wear condition of anvil. If no less than 1mm from →
vibration. the corner at (A) side or 0.5mm from the corner at (B) side,
anvil is OK.
↓OK
<CHECK HAMMER.> NO Replace hammer.
Check wear condition of hammer. If no less than 2mm from the corner →
at (C) side or 1mm from the corner at (D) side, hammer is OK.
6
EY7201-X8

5 EXPLODED VIEW
7
EY7201-X8

6 REPLACEMENT PARTS LIST
NOTE:
*B=only available as set
*C=available individually
Ref.No. Part No. Part Name & Description Remarks Per Unit
1WEY7201K3079 HOUSING AB SET for EUROPE 1
1WEY7201K3070 HOUSING AB SET for OCEANIA 1
2WEY6481L0177 CLICK SPRING *C 2
3WEY7201L0317 CUSHION *B (2PCS/PK) 4*10*2 2
4WEY7201L0327 CUSHION 4.0*23*33 1
5WEY7201H4057 FIXATION COVER ASSEMBLY 1
6WEY7201K3107 NOSE PROTECTOR 1
7WEY7201H3207 PROTECTOR 1
8WEY6507K1167 C-TYPE RING 1
9WEY6507L0857 THRUST PLATE 1
10 WEY6507L0197 BIT HOLDER SPRING 1
11 WEY6507K3717 BIT HOLDER 1
12 WEY7201S3307 FIXATION COVER 1
13 WEY6505L0867 SLIDER 1
14 WEY7201L1127 ANVIL 1
15 WEY6507L6977 STEEL BALL *B (2PCS/PK) 5/32 2
16 WEY7201L1067 DRIVING SHAFT ASSEMBLY 1
17 WEY7201L6967 STEEL BALL *B (2PCS/PK) 7/32 2
18 WEY7201L1377 HAMMER 1
19 WEY7300L6957 STEEL BALL *B (27PCS/PK) 27
20 WEY6505L0897 THRUST PLATE 1
21 WEY7201L0157 HAMMER SPRING 1
22 WEY6508L1147 SPRING FIXING PLATE 1
23 WEY7201L1137 DRIVING SHAFT 1
24 WEY6506L1357 PLANET GEAR *B (2PCS/PK) 2
25 WEY6506L1347 PIN *B (2PCS/PK) 2
26 WEY7201L0027 MOTOR MOUNTING PLATE ASSEMBLY 1
27 WEY7201L4957 BEARING 1
28 WEY7201L0987 O-RING 41 1
29 WEY7201L3747 MOTOR MOUNTING PLATE 1
30 WEY7201L1467 MOTOR ROTOR ASSEMBLY 1
31 WEY7201L1187 STATOR 1
32 WEY7201L2307 BRUSH ASSEMBLY 1
33 WEY7201K2007 SWITCH 1
34 WEY6261B6027 SEMS SCREW *C K3-6 2
35 WEY7201Y3247 F/R SELECTOR HANDLE 1
36 WEY7201Y3257 IMPACT MODE SELECTOR SWITCH 1
37 WEY7201Y3267 BELT HOOK LOCK LEVER 1
38 WEY7201L0167 SPRING 1
39 WEY6470K3187 BELT HOOK BOLT 1
40 WEY7201Y3317 BELT HOOK 1
41 WEY6230L0207 DUST PREVENTIVE PLATE 1
42 WEY6230K9218 TORX TAPPING SCREW *C K3*20 9
-WEY9597K7018 TOOL CASE 1
-WEY7201K8109 OPERATING INSTRUCTIONS 1
**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.
8
EY7201-X8