Panasonic Cordless Saw EY3544 U1 User Manual

ORDER NO.PTD0310U42C1  
F16  
Reciprocating Saw  
EY3544-U1  
SPECIFICATIONS  
CONTENTS  
Page  
Page  
1 SCHEMATIC DIAGRAM  
2
3
6
4 TROUBLESHOOTING GUIDE  
5 EXPLODED VIEW  
7
8
9
2 DISASSEMBLY INSTRUCTIONS  
3 ASSEMBLY INSTRUCTIONS  
6 REPLACEMENT PARTS LIST  
© 2003 Matsushita Electric Works Ltd. All rights  
reserved. Unauthorized copying and distribution is a  
violation of law.  
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EY3544-U1  
2 DISASSEMBLY INSTRUCTIONS  
IHOW TO DISASSEMBLE BLADE CLAMP ASSEMBLY.  
Ref. No. 1A  
Procedure 1A  
Removal of the shoe.  
1. Loosen a screw (M4X10) with washer tightened on the rear side  
of shoe lock lever.  
2. Remove the shoe lock lever and loosen the hexagonal head bolt.  
NOTE :  
Make sure not to lose a hexagonal nut (M4) where located  
inside of the shoe lock lever.  
Ref. No. 1B  
Procedure 1A 1B  
Removal of the insulated rubber boot.  
1. Wind the insulated rubber boot down started from the motor  
side.  
NOTE :  
The insulated rubber boot may not pull off due to scratched  
badly inside of the hook.  
3
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EY3544-U1  
Ref. No. 1C  
Procedure 1A 1B 1C  
Removal of the blade clamp block.  
1. Loosen four screws (M5X18) where tightening on the gear  
housing.  
IHOW TO DISASSEMBLE GEAR CASE or MOTOR  
Ref. No. 1D Procedure 1A 1B 1D  
ASSEMBLY.  
Removal of the housing.  
1. Loose seven housing screws (4X18).  
2. Open the housing B.  
3. Take out the motor with gear case assembly from the housing A.  
4
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EY3544-U1  
Ref. No. 1E  
Procedure 1A 1B 1D 1E  
Removal of the motor housing.  
1. Remove the holder cap and take out the carbon brush on right and  
left side.  
2. Loosen four tapping screws (5X35) tighten the gear case.  
3. Pull out the gear case assembly from the motor housing.  
Ref. No. 1F  
Procedure 1A 1B 1D 1E 1F →  
1C  
Removal of the gear case block.  
1. Loosen two screws (M4X12) and pull out the rotor assembly.  
2. Follow the procedure 1C.  
NOTE:  
Greasing No. 1 grease about 10g into the gear for reassembly.  
5
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EY3544-U1  
3 ASSEMBLY INSTRUCTIONS  
I HOW TO ASSEMBLE SWITCH.  
Ref. No. 1A  
Procedure 1A  
Attachment of the brush holder.  
1. Insert the brush holders on both right and left side.  
2. Press fit the lead wires into the lead guide A.  
3. Press fit the lead wires into the lead guide B.  
4. Insert the carbon brushes.  
5. Tighten the holder caps.  
Ref. No. 1B  
Procedure 1A 1B  
Attachment of the switch.  
1. Check the lead wires whether they are mounted in the proper  
position.  
NOTE:  
Make sure they are not set on the screw bosses or over the  
housing ribs.  
6
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EY3544-U1  
4 TROUBLESHOOTING GUIDE  
< TROUBLE >  
< CHECK >  
< REMEDY >  
NO Replace battery pack.  
Does not operate.  
<CHECK BATTERY PACK.>  
If no less than 18V DC is available across the (+) and (-) terminals  
after charging for the rated charging time  
(approx. 65 minutes for EY9250), 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.  
1) Inspection of the switch operated contact.  
When switch handle is depressed all the way:  
-
There should be 0between (A) - (D) , and between (B) - (C) ;  
when switch lever is set to forward side.  
2) Inspection of the brake.  
When switch handle is not depressed:  
-
There should be 0between (A) - (B)  
OK  
<CHECK CARBON BRUSH.>  
1) The condition of carbon brush.  
NO Replace carbon  
brushes.  
-
There should be more than 1mm from the line of the carbon brush.  
2) The continuity of carbon brush.  
-
There should be 0between the motor lead wire and the  
metal fitting of carbon brush.  
OK  
<CHECK MOTOR ROTOR.>  
NO Replace motor  
rotor assembly.  
Check the condition of rotor if there is any wear, crack and deformation.  
OK  
<CHECK MOTOR STATOR.>  
Check the condition of motor case if there is any crack and deformation.  
NO Replace motor  
stator.  
Does not speed-  
control.  
<CHECK SWITCH.>  
Follow the procedure above “CHECK SWITCH”.  
Attach the battery pack and confirm the switch operation  
when depressing the switch handle little by little.  
NO Repair the contact  
or replace switch  
& FET block.  
7
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EY3544-U1  
5 EXPLODED VIEW  
8
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EY3544-U1  
6 REPLACEMENT PARTS LIST  
NOTE:  
*B=only available as set  
*C=available individually  
Ref.No.  
1
Part No.  
WEY3544K6708  
Part Name  
&
Description  
Remarks  
Per Unit  
SCREW  
*C  
M5*18  
M4*10  
4
1
1
1
1
1
1
1
1
1
1
1
4
1
2
1
2
1
1
2
2
1ST  
1
1
1
1
1
7
1
1
1
1
2
WEY3544S1168  
WEY3544K0228  
WEY3544H3648  
WEY3544K6278  
WEY3544K0478  
WEY3544K1168  
WEY3544K1178  
WEY3544K1558  
WEY3544K6398  
WEY3544K6428  
WEY3544S1768  
WEY3544L9388  
WEY3544L4628  
WEY3544L6218  
WEY3544L0478  
WEY3544L9668  
WEY3544L1188  
WEY3544K0538  
WEY3544K0558  
WEY3544L4638  
WEY3544L4368  
WEY3544K3078  
WEY3544L0178  
WEY3544Y3568  
WEY3544L6208  
WEY3544L0088  
WEY3544K9218  
WEY3544L2568  
WEY3544L0208  
WEY3544Y2008  
WEY3544K8108  
BLADE CLAMP BLOCK  
SHOE  
3
4
INSULATED RUBBER BOOT  
SCREW  
5
6
SLEEVE  
7
INNER PLATE  
LOCK PLATE  
8
9
SHOE LOCK LEVER  
HEXAGONAL HEAD BOLT  
HEXAGONAL NUT  
GEAR CASE BLOCK  
TAPPING SCREW  
MOTOR ROTOR ASSEMBLY  
SCREW  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
-
M8*25  
M4  
*C  
*C  
*C  
5*35  
M4*12  
4*60  
BAFFLE PLATE  
TAPPING SCREW  
STATOR  
MOTOR HOUSING  
HOLDER CAP  
*B  
*B  
(2PCS/PK)  
(2PCS/PK)  
CARBON BRUSH  
BRUSH HOLDER  
HOUSING AB SET  
SPRING  
RELEASE LEVER  
SCREW  
M3*8  
4*18  
SWITCH FRAME  
TAPPING SCREW  
HEAT SINK  
*C  
HOLDER PLATE  
SWITCH  
OPERATING INSTRUCTIONS  
**Battery Pack, 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.  
9
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