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R

epair

[1] NECESSARY REPAIRING TOOLS

CAUTION: Remove the saw blade from the machine for safety before repair/ maintenance ! 

Code No.

1R250

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Round bar for arbor 26-100

Recipro saw blade

1R327

Torx screwdriver T25H120

1R314

Torx bit VT-25

1R232

Pipe 30

1R245

Round bar for arbor 16-100

1R269

Bearing extractor (small)

Press-fitting Oil seal 14

Setting Pin 3 (of the blade clamp section) in place

Installing/removing Torx countersunk head screw

Installing/removing Torx countersunk head screw

Installing/removing Needle bearing 1216

Installing/removing Needle bearing 1216

Removing Ball bearing 6001DDW

Descriptions

Purpose

1R291

Retaining ring S and R Pliers

Installing/removing Retaining rings S-18 and S-12

Item No.

Part description

18

Gear housing cover

6

Shoulder pin 5

The portion where Slider reciprocates

The surface which contacts the hole on Guide sleeve

47

28, 32

Gear housing

46

Three M5x10 Pan head screws

Four M5x16 Pan head screws

The portion where Gear complete and Armature gear rotate

Threaded portion (in order to prevent Plates from loosening)

33, 35

Four M5x14 Torx countersunk
head screws

Threaded portion (in order to prevent Gear plates from loosening)

Threaded portion (in order to prevent Bearing retainer from loosening) 

29

Slider

The portion where Plane bearings contact when Slider reciprocates

39

Flat washer 18

The portion where Gear complete contacts

Where to lubricate or apply adhesive

Pin 12 to which Needle bearing 1216 is assembled

Fig. 1

Guide sleeve

Plane bearing

Plane bearing

Gear plate

Gear complete

Needle bearing 1216

Pin 12

Bearing
retainer

[2] LUBRICATION AND ADHESIVE

See Fig. 1 below.
Lubrication: Apply Makita Grease N. No.1 to the portions designated with the mark of      . 
Adhesive: Apply Threebond 1321B/1342 or Loctite 242 to the portions designated with the mark of      .

[Lubrication]

[Adhesive]

Summary of Contents for JR3050T

Page 1: ...els No Description PRODUCT Current A TECHNICAL INFORMATION CONCEPT AND MAIN APPLICATIONS Specification Standard equipment Optional accessories Note The standard equipment for the tool shown above may...

Page 2: ...he surface which contacts the hole on Guide sleeve 47 28 32 Gear housing 46 Three M5x10 Pan head screws Four M5x16 Pan head screws The portion where Gear complete and Armature gear rotate Threaded por...

Page 3: ...lder pin 5 Compression spring 6 Driving sleeve guide Pin 3 of 6mm length Guide sleeve Sleeve Protector Retaining ring S 18 4 While putting your finger on the top of slider to close the slit of slider...

Page 4: ...ure that push plate is not reversible when installed While pushing push plate straight into slider with recipro saw blade insert pin 3 of 19 8mm length through the hole of push plate as illustrated to...

Page 5: ...sing 1R291 Then cover driving sleeve with protector When installing driving sleeve fit its projections in the concavities of sleeve and driving sleeve guide Projections Concavities Driving sleeve Driv...

Page 6: ...ng in the direction designated by the gray arrow Fig 14 DISASSEMBLING ASSEMBLING Do the reverse of the disassembling steps 1 Apply Makita grease N No 1 to slider as illustrated in Fig 15 in order to l...

Page 7: ...ated in Fig 18 Important 1 Oil seal 14 is not reversible when assembled to gear housing cover Be sure to set it so that the rubber lip faces the blade side as illustrated in Fig 19 2 Install oil seal...

Page 8: ...mature Note Apply adhesive to three M5x10 pan head screws when assembling DISASSEMBLING ASSEMBLING 3 Put gear complete on Pipe 30 No 1R232 and place Round bar for arbor 16 100 No 1R245 on needle beari...

Page 9: ...d low voltage of Great Britain All other countries and areas Field Noise suppressor Field Field core Choke coil Choke coil Left Right Left Left Right Right Purple lead wire Orange lead wire Black Colo...

Page 10: ...ed portion Lead wire clear that interconnects between noise suppressor and field core Non insulated terminal Fig 25 Polyolefin heat shrink tube after shrinkage Before shrinkage After shrinkage 2 1 Fro...

Page 11: ...ween the opening and the lead wire holder Route the following lead wires through this opening Field lead wire orange Lead wire from choke coil to brush holder orange Two field lead wires black Opening...

Page 12: ...holder Be sure that lead wires are tight between the opening and the lead wire holder Route the lead wires of choke coils between ribs rib Put insulated connector here Put insulated connector here Fix...

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