Panasonic Cordless Saw EY3551 U1 User Manual

ORDER NO.PTD0501U30C1  
F16  
Cordless Wood Saw / Cordless Metal Cutter  
EY3551-U1  
EY3552-U1  
SPECIFICATIONS  
CONTENTS  
Page  
Page  
1 SCHEMATIC DIAGRAM  
2
2
3
4 ASSEMBLY INSTRUCTIONS  
7
12  
14  
2 WIRING CONNECTION DIAGRAM  
3 DISASSEMBLY INSTRUCTIONS  
5 TROUBLESHOOTING GUIDE  
6 EXPLODED VIEW & REPLACEMENT PARTS LIST  
© 2005 Matsushita Electric Works Ltd. All rights  
reserved. Unauthorized copying and distribution is a  
violation of law.  
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EY3551-U1 / EY3552-U1  
3 DISASSEMBLY INSTRUCTIONS  
IBLADE REMOVAL.  
Ref. No. 1A  
Procedure 1A  
Blade removal.  
NOTE :  
Make sure that the battery pack is removed from the saw prior  
to servicing.  
The blade will be hot right after cutting. Be sure to let the blade  
cool down before removing it.  
1. Hold the spindle lock button down. This prevents the blade from  
rotating.  
2. Use the provided hex wrench to loosen the hex bolt.  
NOTE :  
Keep the hex wrench in the storage slot on the body when not  
using it.  
3. Remove the hex bolt and outer washer.  
4. Use the lower guard lift lever to open the lower guard.  
5. Carefully remove the blade.  
CAUTION:  
Be careful to avoid cutting your hands on the blade.  
<EY3551>  
<EY3552>  
3
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EY3551-U1 / EY3552-U1  
IMAIN UNIT DISASSEMBLY. (The main unit can be opened without removing the shoe.)  
Ref. No. 2A  
Procedure 2A  
Removal of the safety cover and lower guard.  
1. Loosen the base depth adjustment lever where located under the  
grip of main unit and push the shoe down.  
2. Remove the 3 screws securing the safety cover A. Take out the  
safety cover A.  
3. Remove the inner washer and the stop ring.  
4. Remove the lower guard with connecting the spring.  
5. Loosen the 3 screws and take out the safety cover B.  
NOTE :  
When removing the lower guard from the main unit, do not  
stretch the spring.  
4
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EY3551-U1 / EY3552-U1  
Ref. No. 2B  
Procedure 2A 2B  
Removal of the shoe.  
NOTE:  
It is possible to disassemble the main unit without removing the  
shoe.  
1. Take out the E-ring and the depth adjustment lever.  
2. Unscrew the hex nut.  
3. Take out the spring washer and piling catahats washer.  
4. Pull out the square screw and pipe.  
5. Take out the stopper washer and toothed lock washer.  
6. Push out the spring pin with a rod having a diameter of 5mm.  
NOTE:  
Do not tap the spring pin strongly. If to do so, the supporting  
metal plates on both side of housing may cause the deformation.  
Ref. No. 2C  
Procedure 2A 2C  
Removal of the Housing.  
1. Loosen 7 housing screws (frearson type) and 1 (+) head screw.  
It is then possible to disassembly the main unit or to check the  
switch block and motor.  
5
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EY3551-U1 / EY3552-U1  
Ref. No. 2D  
Procedure 2A 2C 2D  
Removal of the gear box block.  
1. Loosen the 4 screws where securing the driving block with the  
housing in order to take out the gear box block from the main unit.  
2. Remove the 4 screws and carefully open the gear box housing.  
NOTE:  
The internal parts of gear box block can be removed one after  
another.  
NOTE:  
The spring of spindle lock button may pop out.  
Ref. No. 2E  
Procedure 2A 2C 2D 2E  
Assembly of the motor assembly.  
1. Take out the motor rotor assembly from the motor stator.  
2. Take out the current case.  
3. Remove the 2 screws fastening the motor stator.  
4. Take out the stator.  
5. Take out the motor brush and switch assembly connected with  
lead wires.  
NOTE:  
Loosen the 2 housing screws and take the housing C out for re-  
assembling purpose.  
6
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EY3551-U1 / EY3552-U1  
4 ASSEMBLY INSTRUCTIONS  
CAUTION:  
The proper operation of the “off lock lever” is critical for the safe use and operation of the saw/cutter. Be extra careful in re-  
assembling the unit and ensure that the “off lock lever” is properly positioned. Verify the operation of the “off lock lever” upon  
completing the re-assembly procedure. Ensure that the power switch can only be activated after depressing the “off lock lever”.  
I MAIN UNIT ASSEMBLY.  
Ref. No. 3A  
Procedure 3A  
Assembly of the motor assembly.  
1. Hitch the brush spring to the frame by something like forceps.  
2. Set the motor brush assembly into the housing.  
NOTE:  
Make sure that the white and black lead wire are set on upper  
right position.  
3. Put the motor brush in the case by sliding the lead wires outside on  
both sides.  
4. Set the motor stator.  
NOTE:  
The motor stator has its own proper direction for assembly. Make  
sure to align the cut with the housing rib on both right and left  
side.  
5. Tighten the 2 screws.  
NOTE:  
Make sure that the both screws may bite the motor stator on both  
sides slightly.  
6. Set the current plate into the housing.  
NOTE:  
Make sure of the position of lead wires to prevent pinching.  
7. Insert the motor rotor and lightly tapping it to set firmly.  
7
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EY3551-U1 / EY3552-U1  
Ref. No. 3B  
Procedure 3A 3B  
Assembly of the spindle lock button and gear box.  
1. Push and hold the spindle lock button while inserting the gearbox  
block.  
NOTE:  
Confirm the direction of the spindle lock button. Place D-cut on  
top.  
In case of the spindle lock button hardly insert into the gearbox  
block, rotate the shaft of gearbox slowly by hand.  
Make sure that the spring is set in the circule properly.  
2. Tighten the 4 screws crossing.  
NOTE:  
Make sure to align the triangle mark of the gearbox with the  
housing.  
Ref. No. 3C  
Procedure 3A 3B 3C  
Assembly of the switch.  
1. Wiring the thin white lead wire and the black motor lead wire on  
the proper positions.  
2. Attach the battery terminals.  
3. Wiring the white motor lead wire together with the thin white lead  
wire.  
4. Place the white lead wires (for braking) passes through between  
the black and white motor lead wires.  
5. Press fit the thin white lead wire (for braking) between screw  
bosses firmly.  
NOTE:  
Be certain the lead wires are mounted in the proper position.  
Make sure that they are not set on the screw bosses or over the  
housing ribs.  
8
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EY3551-U1 / EY3552-U1  
Ref. No. 3D  
Procedure 3A 3B 3C 3D  
Assembly of the off lock lever.  
1. Put the off lock lever into the housing boss.  
2. Insert the one side of lever spring into the groove of the off lock  
lever. And Hitch the other side of lever spring on the housing rib.  
3. Greasing (Shell Alvania) on top of pin and insert it into housing  
boss.  
Ref. No. 3E  
Procedure 3A 3B 3C 3D 3E  
Assembly of the housing.  
1. Tighten the 7 frearson housing screws and 1 (+) head screw.  
NOTE:  
Before closing the housing A and B, make sure that the O-ring is  
set properly.  
Make sure if battery terminals are set on housings.  
9
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EY3551-U1 / EY3552-U1  
Ref. No. 3F  
Procedure 3A 3B 3C 3D 3E 3F Assembly of the shoe.  
1. Insert the spring pin with a rod having a diameter of 5mm.  
NOTE:  
Make sure that the slit part of spring is placed downward. And  
protrusion of spring pin should be uniform on both side.  
2. Place the toothed lock washer inside and the stopper washer to  
the housing B.  
3. Sliding the depth adjustment plate up with placing the stopper  
washer into the ditch of the depth adjustment plate.  
4. Pass the square screw through.  
5. Insert the pipe and place the spring wahser and piling catahats  
washer from housing A side with holding the square screw by hand.  
6. Insert the hex nut and the shoe up (parallel to the main body).  
7. Tighten the hex nut with the depth adjustment lever at 30kgfcm.  
8. Set the depth adjustment lever.  
NOTE:  
Make sure that the depth adjustment lever is set about 14mm  
away from housing. If the gap between housing and lever is less  
than 14mm, take the lever out and turn 30degree toward your  
side and try to set again.  
9. Attach the NEW E-ring with pliers.  
NOTE:  
Please use the new E-ring every time disassembling the depth  
adjustment lever assembly.  
10  
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EY3551-U1 / EY3552-U1  
Ref. No. 3G  
Procedure 3A 3B 3C 3D 3E 3F Assembly of the blade guard assembly.  
3G  
1. Set the safty cover B with connecting the transparent guard and  
tighten the 3 screws. (EY3552)  
2. Hang the one side of spring (without marking side) on the safety  
cover B.  
3. Lightly greasing (ALVANIA) around the internal diameter and the  
external diameter on the rear side of the lower guard.  
4. Hang the other side of spring on the lower guard and set it to the  
main unit.  
5. Set the stop ring.  
NOTE:  
The stop ring has its own direction for assembly. Make sure that  
the rounded side faces housing.  
And make sure that 2 holes of stop ring should be placed upper  
right.  
6. Set the safety cover A and tighten the 3 screws with 25kgfcm.  
7. Set the inner washer and carefully set the blade.  
8. Set the outer washer and tighten the hex bolt using the provided  
hex wrench with holding the spindle lock button.  
Ref. No. 3H  
Procedure 3A 3B 3C 3D 3E 3F Assembly of the motor housing.  
3G 3H  
1. Return the brush spring into the groove of the motor brush on  
both sides.  
2. Attach the housing C and tighten the 2 screws with 15kgfcm.  
11  
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EY3551-U1 / EY3552-U1  
5 TROUBLESHOOTING GUIDE  
(Refer to WIRING CONNECTION DIAGRAM)  
12  
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EY3551-U1 / EY3552-U1  
13  
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EY3551-U1 / EY3552-U1  
6 EXPLODED VIEW & REPLACEMENT PARTS LIST  
6.1. EXPLODED VIEW for EY3551  
14  
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EY3551-U1 / EY3552-U1  
6.2. REPLACEMENT PARTS LIST for EY3551  
NOTE:  
*B=only available as set  
*C=available individually  
Ref.No.  
1
Part No.  
EY3500K0357  
Part Name  
SPRING PIN  
&
Description  
Remarks  
Per Unit  
6-45  
M5*10  
1
1
2
1
2
1
2
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
20  
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
2
1
1
1
1
1
1
1
1
1
1
2
WEY3551S3428  
EY3503K6487  
EY3503K0197  
WEY3552S6388  
WEY3551S6398  
WEY3552K6648  
WEY3552S6258  
WEY3552K1178  
WEY3552K6208  
WEY3551S3108  
WEY3552L1168  
EY3503L0427  
WEY3551Y1198  
WEY3552L0928  
WEY3552K0398  
WEY3551S3118  
WEY3503L6537  
WEY3552S6688  
WEY3552L0078  
WEY3552K6698  
WEY3552S6348  
WEY3552Y0897  
WEY3552S0168  
EY3503K6208  
WEY3552K9078  
EY3530L0977  
WEY3551K3078  
WEY3551K3088  
WEY3552Y0368  
WEY3552L0168  
WEYT502Y1587  
WEYT502L0917  
WEY3552L0508  
WEY3552L1458  
WEY3552L1768  
EY3503L0847  
WEY3552L1438  
WEY3552L1468  
WEY3552L0448  
WEY3552S9038  
WEY3552L1188  
WEY3552L2308  
WEY3551Y2008  
WEY3551S0068  
EY6230L0207  
WEY3552K7868  
WEY3551S6298  
WEY3552K7018  
WEY3551K8008  
WEY3551K8108  
BASE  
3
ADJUSTING BOLT  
SPRING  
*C  
*C  
*C  
4
7.6*15  
5
SPRING WASHER  
PLAIN WASHER  
5
5
6
7
TOOTHED LOCK WASHER  
FLANGE SOCKET  
8
M5*12  
4*16  
9
OUTER WASHER  
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  
40  
41  
42  
43  
44  
45  
46  
47  
48  
-
ALUMINUM TIGHT SCREW  
*C  
SAFETY COVER  
INNER WASHER  
STOP RING  
A
LOWER GUARD  
SPRING  
5.9*49  
LOWER GUARD STOPPER  
SAFETY COVER  
SQUARE SCREW  
B
STOPPER WASHER  
PIPE  
8
PILING CATAHATS WASHER  
DEPTH ADJUSTING NUT  
DEPTH ADJUSTMENT LEVER  
E
RING  
FREARSON SCREW  
TAPPING SCREW  
*C  
K4*20  
K4*25  
O
RING  
HOUSING AB SET  
HOUSING  
C
SPINDLE LOCK BUTTON  
LOCK BUTTON SPRING  
OFF LOCK LEVER  
OFF LOCK SPRING  
PIN  
16.6*19.8  
1.5  
GEAR BOX ASSEMBLY  
GEAR BOX  
THRUST PLATE  
*C  
*B  
MID GEAR  
MOTOR ROTOR ASSEMBLY  
CURRENT PLATE  
P
TIGHT SCREW  
K3*20(2PCS/PK)  
STATOR  
BRUSH ASSEMBLY  
SWITCH  
BATTERY CONTACTS  
DUST PREVENTIVE PLATE  
HEX WRENCH  
SET SCREW  
TOOL CASE  
-
INDIVIDUAL BOX  
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.  
15  
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EY3551-U1 / EY3552-U1  
6.3. EXPLODED VIEW for EY3552  
16  
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EY3551-U1 / EY3552-U1  
6.4. REPLACEMENT PARTS LIST for EY3552  
NOTE:  
*B=only available as set  
*C=available individually  
Ref.No.  
1
Part No.  
EY3500K0357  
Part Name  
SPRING PIN  
BASE  
&
Description  
Remarks  
Per Unit  
6-45  
1
1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
20  
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
2
1
1
1
1
1
1
1
1
1
2
WEY3552S3428  
EY3503K6487  
EY3503K0197  
WEY3552S6258  
WEY3552K1178  
WEY3552K6208  
WEY3552S3108  
WEY3552L1168  
EY3503L0427  
WEY3552Y1198  
WEY3552L0928  
WEY3552X3118  
WEY3552K0398  
WEY3552S3118  
WEY3503L6537  
WEY3552S6688  
WEY3552K6648  
WEY3552L0078  
WEY3552S6388  
WEY3552K6698  
WEY3552S6348  
WEY3552Y0897  
WEY3552S0168  
EY3503K6208  
WEY3552K9078  
EY3530L0977  
WEY3552K3078  
WEY3552K3088  
WEY3552Y0368  
WEY3552L0168  
WEYT502Y1587  
WEYT502L0917  
WEY3552L0508  
WEY3552L1458  
WEY3552L1768  
EY3503L0847  
WEY3552L1438  
WEY3552L1468  
WEY3552L0448  
WEY3552S9038  
WEY3552L1188  
WEY3552L2308  
WEY3552Y2008  
WEY3552S0068  
EY6230L0207  
WEY3552K7868  
WEY3552K7018  
WEY3552K8008  
WEY3552K8108  
3
ADJUSTING BOLT  
SPRING  
M5*10  
7.6*15  
M5*12  
4
5
FLANGE SOCKET  
OUTER WASHER  
6
7
ALUMINUM TIGHT SCREW  
*C  
4*16  
8
SAFETY COVER  
INNER WASHER  
STOP RING  
A
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  
40  
41  
42  
43  
44  
45  
46  
47  
-
LOWER GUARD  
SPRING  
5.9*49  
TRANSPARENT COVER  
LOWER GUARD STOPPER  
SAFETY COVER  
SQUARE SCREW  
B
STOPPER WASHER  
TOOTHED LOCK WASHER  
PIPE  
5
8
5
SPRING WASHER  
PILING CATAHATS WASHER  
DEPTH ADJUSTING NUT  
DEPTH ADJUSTMENT LEVER  
E
RING  
FREARSON SCREW  
TAPPING SCREW  
*C  
K4*20  
K4*25  
O
RING  
HOUSING AB SET  
HOUSING  
C
SPINDLE LOCK BUTTON  
LOCK BUTTON SPRING  
OFF LOCK LEVER  
OFF LOCK SPRING  
PIN  
16.6*19.8  
1.5  
GEAR BOX ASSEMBLY  
GEAR BOX  
THRUST PLATE  
*C  
*B  
MID GEAR  
MOTOR ROTOR ASSEMBLY  
CURRENT PLATE  
P
TIGHT SCREW  
K3*20(2PCS/PK)  
STATOR  
BRUSH ASSEMBLY  
SWITCH  
BATTERY CONTACTS  
DUST PREVENTIVE PLATE  
HEX WRENCH  
TOOL CASE  
-
INDIVIDUAL BOX  
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.  
17  
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