Hitachi CB 18DBL Service Manual Download Page 1

Page: 1 / 19

Overseas Sales Division

PRODUCT NAME

Hitachi 18 V Cordless Band Saw

Model

CB 18DBL

LIST No.
CB 18DBL: K803
Jul. 2015

CONTENTS

REPAIR GUIDE ---------------------------------------------------------------------------------------------------------------- 1

1. Precautions on disassembly and reassembly ------------------------------------------------------------ 1

2. Precautions on disassembly and reassembly of the battery charger ----------------------------- 13

STANDARD REPAIR TIME (UNIT) SCHEDULES ------------------------------------------------------------------- 14

Page

Summary of Contents for CB 18DBL

Page 1: ... Cordless Band Saw Model CB 18DBL C LIST No CB 18DBL K803 Jul 2015 CONTENTS REPAIR GUIDE 1 1 Precautions on disassembly and reassembly 1 2 Precautions on disassembly and reassembly of the battery charger 13 STANDARD REPAIR TIME UNIT SCHEDULES 14 Page ...

Page 2: ...and saw blade NOTE Wear leather gloves before handling the band saw blade to protect your hands from injury caused by sharp cutting edges Carefully remove the band saw blade from the main body in a slow manner to avoid personal injury caused by suddenly ejected band saw blade 1 Gently turn the Tension Lever 33 to loosen as shown in the figure below 2 Loosen the two Bolts M5 x 16 80 with the Hex Ba...

Page 3: ...y B and blade pulley rubber 1 Loosen the Bolt M6 x 16 65 and remove the Spring Washer M6 31 Washer A 64 and Blade Pulley B 71 from the Slide Plate 45 NOTE Be careful not to lose the Flat Washer 63 that might be attached to the side of the Blade Pulley B 71 when removing Blade Pulley B 71 2 Remove the Blade Pulley Rubber 70 from Blade Pulley B 71 NOTE The Needle Bearing 69 is press fitted in Blade ...

Page 4: ... 62 3 Remove the Bearing Pin 56 two Bolt Washers M4 57 and Roller 604VV 58 from Bearing Holder A 62 5 Disassembly of bearing holder B ass y 1 Loosen the Screw D4 x 16 8 and Screw D4 x 20 76 Remove Cover Holder B 75 and Bearing Holder B Ass y 49 from the Frame 40 2 Loosen two Bearing Pins B 55 with a flat blade screwdriver and remove the two Spring Washers M6 54 two Bolt Washers M6 53 four Ball Bea...

Page 5: ...ews D4 x 16 8 at the front of the main body 2 Turn the main body upside down Loosen and remove the eight Screws D4 x 16 8 and remove the Handle Set 2 from the Frame 40 Then disassemble the Handle Set 2 NOTE Be careful not to lose the internal parts especially the Spring 5 attached to the Knob 6 when disassembling the Handle Set 2 8 Disassembly of the housing set 1 After removal of Blade Pulley A 7...

Page 6: ...nside the Gear Box Ass y 28 and remove the Gear Case Cover 18 4 Remove the Lock Washer 19 three gears of Planet Gear A Set 20 Pinion B 21 three gears of Planet Gear A 20 and Ring Gear 22 from the Gear Case 25 5 Remove the Retaining Ring for D15 Shaft 27 from Pulley Shaft A 23 by using a retaining ring puller 6 Push Pulley Shaft A 23 on the retaining ring side to remove it together with the Ball Be...

Page 7: ...ss y 28 and then pull out the Rotor Pinion Set 14 from the stator of the Stator FET PCB 13 3 Peel silicon rubber off the heads of the two Screws M3 5 x 6 9 and then loosen and remove them Remove the connector between the Stator FET PCB 13 and the Switch 4 to remove the Switch 4 4 Pull out the Dial 10 from the volume PCB ass y of the Stator FET PCB 13 NOTE Be careful not to lose the O ring 11 attac...

Page 8: ...8 may be attached to the Lever Shaft 37 with grease 12 Removal of the slide plate 1 After removal of Blade Pulley B 71 remove the Flat Washer 63 from pulley shaft B in the Slide Plate 45 NOTE The Flat Washer 63 may be attached to Blade Pulley B 71 with grease 2 Loosen and remove the four Screws D4 x 16 8 together with four Washers B 41 from the Frame 40 3 Remove the Slide Plate 45 from the Frame 4...

Page 9: ...le Set 2 and Housing Set 12 be careful not to catch the internal wires of the stator ass y controller ass y LED ass y volume ass y indicator ass y capacitor ass y and battery terminal in the Stator FET PCB 13 between handles A and B of the Handle Set 2 between housings A and B of the Housing Set 12 and the Frame 40 NOTE Refer to 5 Reassembly of the power supply unit and stator FET PCB on the next ...

Page 10: ... d Fully turn the Dial 10 clockwise Check that the mark A on the Dial 10 aligns with the protrusion on the cover e If not aligned repeat the above steps b to d 2 Fit the flange portion of the stator in the Stator FET PCB 13 in the concave portion of housing A of the Housing Set 12 when mounting the Stator FET PCB 13 to housing A Fit the two 16AWG internal wires red and black and sixteen 28AWG inte...

Page 11: ...rated plating on terminal support contacts to be connected to the battery will increase the temperature of the contacts and damage the battery or tool body Replace the Stator FET PCB 13 with a new one Code No 340922 5 Secure the two terminals of the Stator FET PCB 13 to the Switch 4 with the two Screws M3 5 x 6 9 Then apply silicone rubber Threebond TB1211 to the heads of the two Screws M3 5 x 6 9...

Page 12: ... 44 1 g Surface where the Protection Plate 43 contacts the Screw M5 x 10 47 0 2 g Outer circumference of the O ring S 10 11 0 5 g NOTE Do not apply lubricant to the Blade Pulley Rubber 70 Tapping Screw W Flange D4 x 16 Black 8 2 0 0 5 N m 20 5 kgf cm Tapping Screw W Flange D4 x 16 Black 8 for tightening the Handle Set 2 and the Frame 40 2 7 0 5 N m 28 5 kgf cm Machine Screw W Washer M3 5 x 6 9 0 6...

Page 13: ...witch 4 operation is smooth and the tool starts and stops normally 4 Mount the band saw blade and start the tool Check that the length of the band saw blade protruded from the Ball Bearings 606VV 52 in Bearing Holder A Ass y 61 and Bearing Holder B Ass y 49 is 3 mm or shorter See the next page for the adjustment procedure 5 Turn the Dial 10 to check that the Dial 10 operation is smooth and the saw...

Page 14: ...Nut M5 48 and turn the Screw M5 x 10 47 clockwise 90 degrees and then fix it with the Lock Nut M5 48 5 Run the tool by setting the dial to 1 for about three seconds to check the saw blade running position Check that the length of the band saw blade protruded from the Ball Bearings 606VV 52 in Bearing Holder A Ass y 61 and Bearing Holder B Ass y 49 is 3 mm or shorter 6 If the length is over 3 mm re...

Page 15: ...Ring for D15 Shaft Gear Case Cover Planet Gear A Pinion B Ring Gear Pulley Shaft A Ball Bearing 6902VV Gear Case Frame Work Flow Trigger Switch Knob Dial O ring Tension Lever Tension Lever Holder Ring Lever Shaft Sleeve Protection Plate Collar Bearing Holder B Ass y Bearing Holder A Ass y Ball Bearing 606VV Blade Pulley A Blade Pulley B Blade Pulley Rubber Needle Bearing Blade Pulley Cover A Blade...

Page 16: ...11 4 16 12 15 13 14 18 19 20 21 20 22 23 24 25 26 24 27 29 35 17 8 30 32 33 8 34 36 37 38 40 42 43 44 45 41 8 51 52 53 54 55 51 52 53 54 55 56 57 58 57 50 8 8 56 57 58 57 59 60 62 8 46 47 48 63 64 31 65 66 67 67 68 72 64 31 65 73 74 28 31 39 41 49 61 69 70 71 70 502 505 75 76 77 78 79 76 77 78 80 80 ...

Page 17: ...1 24 6902VV BALL BEARING 6902VV 2 25 339127 GEAR CASE 1 26 339130 RING 1 27 939544 RETAINING RING FOR D15 SHAFT 10 PCS 1 28 339126 GEAR BOX ASS Y 1 INCLUD 17 27 29 339250 TAPPING SCREW W FLANGE D4 X 20 4 30 949256 MACHINE SCREW M6 X 16 10 PCS 1 31 949455 SPRING WASHER M6 10 PCS 3 32 949432 BOLT WASHER M6 10 PCS 1 33 338965 TENSION LEVER 1 34 338961 TENSION LEVER HOLDER 1 35 332929 TAPPING SCREW W ...

Page 18: ...LAT WASHER 1 64 338960 WASHER A 2 65 949755 HEX SOCKET HD BOLT M6 X 16 10 PCS 2 66 338431 BAND SAW BLADE NO 1 18TPI 3 PCS 1 67 339134 PIN D4 2 68 872971 RETAINING RING E TYPE FOR D3 SHAFT 2 69 338957 NEEDLE BEARING 1 70 338959 BLADE PULLEY RUBBER 2 71 338956 BLADE PULLEY B 1 INCLUD 69 70 72 338955 BLADE PULLEY A 1 INCLUD 70 73 339370 BLADE PULLEY COVER B 1 74 339369 BLADE PULLEY COVER A 1 75 33937...

Page 19: ...VER 1 503 338954 CASE 1 504 CHARGER MODEL UC 18YFSL 1 505 981828 SIDE HANDLE 1 DESCRIPTION REMARKS 601 338430 BAND SAW BLADE NO 2 14TPI 3 PCS 1 4 Printed in Japan 7 15 150709N ALTERNATIVE PARTS STANDARD ACCESSORIES OPTIONAL ACCESSORIES NO USED CODE NO ITEM NO NO USED CODE NO ITEM NO ...

Search results

Summary of Contents for CB 18DBL

Reviews:

Related manuals for CB 18DBL

Brands by name

Popular brands

Hitachi CB 18DBL, Service Manual

Search results

Summary of Contents for CB 18DBL

Reviews:

Related manuals for CB 18DBL

Brands by name

Popular brands