background image

 

-1- 

Fig. 1

 

 

 
 

WARNING: Be sure to remove the battery from the main body before starting repair or maintenance 

work. If the switch is activated inadvertently with the battery still mounted on the main 
body, the motor may turn unexpectedly and could cause serious injury. 

1. Precautions on disassembly and reassembly 

[Bold]

 numbers in the description below correspond to the item numbers in the parts list and exploded 

assembly diagram for the Model CJ 18DA.

 

 
 
 
 

1. Removal

 

of the base 

Loosen the Hex. Socket Hd. Bolt M5 x 18 

[53]

 and remove the Base 

[43]

 together with the Base Locker 

[52] 

from the Gear Holder Ass’y 

[47]

.

 

 
 
 
 
 
 
 
 
 
 
 
 

2. Removal

 

of the lever 

Loosen the Tapping Screw (W/Flange) D3 x 20 

[12]

 and remove the Lever 

[10]

, Lever Spring 

[9]

, and 

Washer 

[11]

.

 

 
 
 
 
 
 
 
 
 
 
 

3. Disassembly of housing (A).(B) set 

(1) Loosen two Tapping Screws (W/Flange) D4 x 20 (Black) 

[7]

 and remove the Grip Cover 

[5]

 from Housing 

(A).(B) Set 

[1]

.

 

(2) Loosen eight Tapping Screws (W/Flange) D4 x 20 (Black) 

[7]

 and remove housing (B) (name plate is 

affixed) of Housing (A).(B) Set 

[1]

.

 

(3) Remove the Switch Terminal Set 

[3]

, Pushing Button 

[2]

, and Guard Bar 

[8]

 from housing (A). 

Disassembly

 

REPAIR GUIDE

 

[52]

 

[53]

 

Fig. 2

 

[9]

 

[10]

 

[11]

 

[12]

 

Summary of Contents for 4966376333615

Page 1: ...REPAIR GUIDE 1 1 Precautions on disassembly and reassembly 1 Disassembly 1 Reassembly 4 Lubrication points and type of lubricant 5 Tightening torque 6 Checking after reassembly 6 Wiring diagram 7 CONTENTS C CONFIDENTIAL Sep 2020 Overseas Sales Management Dept Page ...

Page 2: ...oval of the base Loosen the Hex Socket Hd Bolt M5 x 18 53 and remove the Base 43 together with the Base Locker 52 from the Gear Holder Ass y 47 2 Removal of the lever Loosen the Tapping Screw W Flange D3 x 20 12 and remove the Lever 10 Lever Spring 9 and Washer 11 3 Disassembly of housing A B set 1 Loosen two Tapping Screws W Flange D4 x 20 Black 7 and remove the Grip Cover 5 from Housing A B Set ...

Page 3: ...er B 25 Remove Spring C 19 from Plunger Holder B 21 and turn the Spring Plate 20 by 90 to remove Plunger Holder B 21 4 Remove the Retaining Ring D15 24 from Plunger B 25 and pull out the Holder Cover 30 downward Remove the Holder Spring 29 holding the position where Plunger B 25 is inserted with pliers carefully not to damage the Holder Spring 29 NOTE Be careful not to let the Plunger Piece 28 and...

Page 4: ...and Washer A 23 in this order 4 Remove the Motor 13 press fitted in the Gear Holder Ass y 47 5 Remove the Retaining Ring E type for D5 Shaft 39 Change Knob 42 Spring C 27 and Steel Ball 5 32 41 NOTE Be careful not to lose Spring C 27 and Steel Ball 5 32 41 6 Pull out the Needle Roller D4 x 24 40 press fitted in the Gear Holder Ass y 47 Remove the Roller Holder 49 and Needle Roller 48 33 39 36 23 1...

Page 5: ...g the concave portion of Plunger B 25 against the portion under the slotted hole on Plunger A 32 fit the D3 pins on the Plunger Cover 17 in the holes on Plunger A 32 and fix it by tightening two Seal Lock Hex Socket Hd Bolts M3 x 6 18 4 Fit the tip of the Plunger Piece 28 in Spring C 27 and put Needle Roller C 26 in Spring C 27 Insert the Plunger Piece 28 into Plunger B 25 aligning the U shape pro...

Page 6: ...tion of the gear ass y grooves for grease and inner circumference of the needle bearing 0 5 g Inner circumferences of Connecting Piece A 33 and Needle Bearing 34 0 5 g Sliding portion of the gear ass y and the Balance Weight 37 Nippeco BC 4 grease Contact surfaces of the Spring Plate 20 and Plunger B 25 0 5 g Please purchase the following grease as necessary Item Registered part name Net weight Co...

Page 7: ...ck the following after reassembly 1 Check that the operation of the switch of the Switch Terminal Set 3 and the Pushing Button 2 is normal 2 Check that the LED light turns on when the switch trigger of the Switch Terminal Set 3 is pulled 3 Check that the number of strokes of the blade can be adjusted depending on the amount the switch trigger is pulled 4 Check that the saw blade is securely mounte...

Page 8: ...he internal wires are incorrectly connected the motor may not turn or other problems could occur A Europe Australia and New Zealand Wiring diagram Red internal wire soldering Black internal wire soldering A 1 turn Red internal wire soldering Black internal wire soldering Red mark terminal side 125 1 0 2 ...

Page 9: ...r Battery terminal DC speed control switch Control unit Reversing unit Indicator ass y LD S G T FET M2 M1 Black Red M Black Red Black Red White Red White Noise suppressor Battery terminal DC speed control switch Control unit Reversing unit Indicator ass y LD Ferrite core For Europe Australia and New Zealand ...

Page 10: ...J18DA A 501 502 503 505 506 1 2 3 14 13 8 5 6 9 10 11 12 18 19 20 21 22 23 24 25 27 28 29 30 17 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 4 15 16 507 509 510 508 504 511 512 7 23 27 26 ...

Page 11: ...76477 HOLDER COVER 1 31 376470 PLUNGER HOLDER A 1 32 376471 PLUNGER A 1 33 332829 CONNECTING PIECE A 1 34 325242 NEEDLE BEARING 1 35 994251 RETAINING RING FOR D7 SHAFT 1 36 376466 GEAR 1 37 376469 BALANCE WEIGHT 1 38 376468 ORBITAL CAM 1 39 673489 RETAINING RING E TYPE FOR D5 SHAFT 1 40 376683 NEEDLE ROLLER D4 X 24 1 41 335297 STEEL BALL 5 32 10 PCS 1 42 338992 CHANGE KNOB 1 43 375854 BASE 1 44 37...

Page 12: ...Y NO 777 1 75 G 1 607 879336 JIG SAW BLADES NO 11 5 PCS 1 608 879337 JIG SAW BLADES NO 12 5 PCS 1 609 879338 JIG SAW BLADES NO 15 5 PCS 1 610 879339 JIG SAW BLADES NO 16 5 PCS 1 611 879340 JIG SAW BLADES NO 21 5 PCS 1 612 879341 JIG SAW BLADES NO 22 5 PCS 1 613 963400 JIG SAW BLADES NO 97 FOR STAINLESS 5 PCS 1 ...

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