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Makita JR3050T Technical Information
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Makita JR3050T Technical Information

Makita JR3050T Technical Information

11-amp reciprocating saw
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Download this manual See also: Instruction Manual
T
ECHNICAL INFORMATION
Models No.
Description
C
ONCEPT AND MAIN APPLICATIONS
Model JR3050T has been developed as a successor model of
Model JR3000V/VT, featuring the following main advantages;
1. Cutting efficiency higher than competitions and the
predecessor models of Makita recipro saws.
2. Great convenience provided by;
*Tool-less blade change
*Tool-less adjustable heavy duty shoe
S
pecification
Voltage (V)
110
120
220
230
240
Stroke per minute: min-
Length of Stroke: mm (")
*Wood: mm (")
Capacity
Pipe: dia. mm (")
Variable speed control
Net weight: kg (lbs)
Power supply cord: m (ft)
*when cutting with the supplied 300mm (11-3/4") length recipro saw blade.
S
tandard equipment
For North America:
Recipro saw blade for steel ...................... 1
Recipro saw blade for composites.......... 1
Note: The standard equipment for the tool shown above may differ by country.
O
ptional accessories
Recipro saw blade No.21 for steel
Recipro saw blade No.22 for steel
Recipro saw blade No.24 for steel
JR3050T
Recipro Saw
Cycle (Hz)
Current (A)
9.0
50 / 60
9.0
50 / 60
4.8
50 / 60
4.6
50 / 60
4.4
50 / 60
1
H
Continuous Rating (W)
Input
940
1,010
1,010
1,010
1,010
0 - 2,800
28 (1-1/8)
255 (10)
130 (5-1/8)
Yes
3.2 (7.1)
Europe: 4.0 (13.1)
Australia: 2.0 (6.6)
Other countries: 2.5 (8.2)
For countries other than North America:
Recipro saw blade No.21 for steel ................................. 1
Recipro saw blade No.22 for steel ................................. 1
Recipro saw blade No.23 for wood and plywood .......... 1
Recipro saw blade No.23 for wood and plywood
Recipro saw blade No.23B for wood and plywood
PRODUCT
L
W
Dimensions: mm (")
Length (L)
452 (17-3/4)
Width (W)
97 (3-13/16)
Height (H)
170 (6-11/16)
Max. Output(W)
Output
390
950
460
950
550
950
550
950
550
950
P 1 / 12

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Summary of Contents for Makita JR3050T

  • Page 1 JR3050T Description Recipro Saw ONCEPT AND MAIN APPLICATIONS Model JR3050T has been developed as a successor model of Model JR3000V/VT, featuring the following main advantages; 1. Cutting efficiency higher than competitions and the predecessor models of Makita recipro saws. 2. Great convenience provided by;...
  • Page 2 Removing Ball bearing 6001DDW [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 Item No.
  • Page 3 P 3 / 12 epair [3] DISASSEMBLY/ASSEMBLY [3] -1. Disassembling/ Assembling Blade Clamp Section Fig. 2 DISASSEMBLING Blade clamp section 1) Remove shoe. If the blade clamp section is positioned inside gear housing, pull it out of gear housing. (Fig. 2) 2) After removing protector, remove retaining ring S-18 with Retaining Ring S and R Pliers (No.1R291).
  • Page 4 P 4 / 12 epair [3] -1. Disassembling/ Assembling Blade Clamp Section (cont.) ASSEMBLING 1) Assemble torsion spring 17 to slider as illustrated in Fig. 7. Important: Be sure that torsion spring 17 is not reversible when assemble to slider. Follow the instruction described in Fig.
  • Page 5 P 5 / 12 epair [3] -1. Disassembling/ Assembling Blade Clamp Section (cont.) 5) While fitting the two projections of driving sleeve in the concavities of sleeve, push driving sleeve into gear housing housing. At this time, turn driving sleeve clockwise so that the protruding portion of driving sleeve cannot be inter- fered by gear housing.
  • Page 6 Notes: 1) Apply Makita grease N No.1 to slider as illustrated in Fig. 15 in order to lubricate X ring 14 and plane bearings 14. 2) Plane bearings 14 are not reversible when assembled to slider. Be sure to install them as illustrated in Fig. 16.
  • Page 7 P 7 / 12 epair [3] -4. Replacing Oil Seal 14 and X Ring 14 DISASSEMBLING 1) Separate gear housing cover from gear housing as described in 1) to 3) of [3] -3. 2) Remove oil seal 14 by hitting from the motor housing side using slotted screwdriver and plastic hammer. Then remove X ring 14 by pushing with finger.
  • Page 8 Note: 1. Before assembling gear complete to gear housing, Gear complete apply about 1g of Makita grease N No.1 to flat washer 18 and pin 12 respectively. ( Refer to Fig. 20.) No.1R232 2. Apply adhesive to four M5x14 torx countersunk head screws.
  • Page 9 P 9 / 12 ircuit diagram Taiwan, and low voltage of Great Britain Color index of lead wires' sheath Black Clear Choke coil Orange Polyolefin heat-shrink tube Purple Field core Noise suppressor *Left Field *Right Choke coil Switch Purple lead wire *Right Orange lead wire...
  • Page 10 P 10/ 12 iring diagram [1] Protecting the Interconnecting Lead Wire with Heat-Shrink Tube In case that noise suppressor is used, protect the lead wire that interconnects between noise suppressor and field core using polyolefin heat-shrink tube. Be sure to cover the crimped portion as illustrated in Fig. 25. Fig.

  • Page 11: Wiring Diagram

    P 11/ 12 iring diagram [2] Wiring in Motor Housing (cont.) [2] -2. Rear side Note: Choke coils are not used except for the following countries: Taiwan, low voltage of Great Britain Fig. 27 Lead wire from choke coil Field lead wire (purple) to brush holder (purple) Lead wire holder Opening for lead wires...
  • Page 12 P 12/ 12 iring diagram [3] Wiring in Handle Note: Choke coils are not used except for the following countries: Taiwan, low voltage of Great Britain Fix lead wires with Put insulated connector here. lead wire holder. Route the lead wires of choke coils between ribs.