Makita 4350T Manual

Model No.
Description
PRODUCT
CONCEPT AND MAIN APPLICATIONS
P 1 / 14
Specification
Standard equipment
Note: The standard equipment for the tool shown above may differ from country to country.
4350T, 4350CT, 4350FCT
Jig Saw
Models 4350T, 4350CT and 4350FCT have been developed
as the successor models of 4340T series models.
In addition to the advantages of the predecessor models,
feature new exterior design with ergonomic rubberized handle.
Barrel handle type models are also available as 4351T series models.
Jig saw blade B-10 ........ 2
Jig saw blade BR-13 ...... 2
Jig saw blade B-22 ........ 2
Cover plate ....................... 1
Anti-splintering device ..... 1
Hex wrench 4 ................... 1
Plastic carrying case ...... 1
Dust nozzle*3................ 1
*3 for European countries only
Dimensions: mm (")
Width (W)
Height (H)
Length (L) 236 (9-1/4)
73 (2-7/8)
207 (8-1/8)
L
H
Optional accessories
Jig saw blades No.51, 58, 59, B-8, B-10 to B-19, B-21 to B-27, B-16L, BR-13
Guide rule, Guide rail, Guide rail adaptor, Anti-splintering device
Hose complete 28-5, Dust nozzle
W
Specification
Net weight: kg (lbs) 2.5 (5.5)
Model 4350CT 4350FCT
No load speed: strokes per min.
SteelCapacities: mm (") Wood*1 10 (3/8)
Aluminum 20 (25/32)
135 (5-5/16)
800 - 2,800
Length of stroke: mm (") 26 (1)
Shank type B-type
Protection against electric shock
Power supply cord: m (ft) 2.5 (8.2)*2
Double insulation
*1 when cutting with optional blade No.B-16L *2 Australia, New Zealand: 2.0m (6.6ft)
Cut settings 3 Orbital settings + Straight cutting
Yes (Push-in-lock system)
LED Job light
Variable speed control by dial
Soft start
Constant speed control
Toolless blade change
Yes
Yes
Yes
No
4350T
2,800
No
No
No
No Yes
Electronic control
4350CT/ 4350FCT
120
110
220
230
240
6.9 720
--- 320 70050/60
3.4 720 320 70050/60
3.3 720 320 70050/60
3.2 720 320 70050/60
6.3 320 70050/60
4350T
Continuous Rating (W)
Voltage (V) Cycle (Hz) Input Output Max. Output (W)
220
230
240
Current (A)
2.8 580 300 55050/60
2.7 580 300 55050/60
110
120 5.6 580 300 55050/60
5.1 --- 300 55050/60
2.5 580 300 55050/60
TECHNICAL INFORMATION

Repair P 2 / 14
Apply Makita grease FA. No.2 to the portions marked with black triangle, and machine oil No.120 to the portions marked
with gray triangle to protect parts and product from unusual abrasion.
Linear guide
Linear guides
Balance plate
Balance plate
Gear complete
Push plate
Retainer
Push plate
Retainer
Slider
Crank complete
Pins of Gear housing cover
for supporting Balance plate
Push pin
Push pin
Blade holder
Gear housing
Needle bearing 407
M4x12 Hex. socket head bolt
(two pcs in total): See Note below.
Note: When removing two M4x12 Hex. socket head bolts illustrated above, put the appropriate amount of Loctite
241/242 or ThreeBond 1321/1342 on the thread of the screws and then fasten them.
Gear housing
DescriptionItem (Code No.) Portion to lubricate
Makita grease FA. No.2
(042025-8A: 2.5kg)
Inside of Gear room
The pins which supports Balance plate.
The portion where contacts Gear complete.
The portion where contacts Retainer.
The portion where contacts Push plate.
The portion where contacts Slider.
The portion where contacts Dust seal.
Slider The portion where contacts Needle bearing 407.
The hole where Rod reciprocates.
Gear housing cover
Gear housing cover Its whole part
Machine oil No.120
Rod
Rod
Ratchet head 9.5 (for 1R219)
Round bar for arbor 6-100
Retaining ring pliers with long bent nails
1/4" Hex. shank bit M4 for Hex. socket head bolt
1/4" Hex.shank bit for M4
Bearing setting pipe 16-8.2
DescriptionCode No. Use for
1R026
1R235 Inserting Self lock 6
Removing/ Installing Retaining ring S-8 in Crank housing
Replacing Ball bearings
Securing Crank
134873-0
Removing/ Installing Retaining ring R-18
Fastening M4x12 Hex. socket head bolts
Socket adapter (for 1R219)
Retaining ring S and R pliers
Torque wrench shaft 2-6N.m
Bit adapter ass'y
1R291
1R311
1R014
1R220
1R222
1R228
1R254
134873-0
1R269 Bearing extractor
CAUTION: Unplug the tool and remove the jig saw blade for the safety before maintenance !
[1] Lubrication

Repair
P 3 / 14
M5x18 Hex
socket head bolt Base
Torsion spring 6
Tool opener
M4 + Pan head screw
M4 + Pan head screw
[2] Disassembling Tool opener
[3] Assembling tool opener
Fig. 1 Fig. 2
The tail of
torsion spring 6
Blade holder
Tool opener
Gear housing cover
Gear housing
Viewed from Blade holder side
[4] Disassembling Handle section
Tool opener
Safety wire
Slotted screwdriver
Fig. 3
Fig. 4
Tool opener hinge portion
Fig. 5
4x18 Tapping screw Hook of Handle L
Hook of
Handle R
Notch of Motor housing
4x50 Tapping screw
(Refer to Fig. 5.)
4x50 Tapping screw
installation hole
4350T, 4350CT: 4x18 Tapping screw
4350FCT: 4x40 Tapping screw
1. Separate Handle R from Housing L by the following steps.
(1) Remove Tapping screws as illustrated in Fig. 4.
(2) Gently lift up the 4x50 Tapping screw installation side of Handle R with slotted screwdriver to remove the hooks of
Handles L and R from the notch of Motor housing. (Fig. 5)
Note: Take care not to break the hooks, the protrusion and the depressions when disassembling.
2. LED circuit (only for 4350FCT) and Safety wire can be removed together.As for removal of Safety wire, open Tool
opener and remove both tails of Safety wire from the holes of Gear housing cover behind Handles L and R.
1. Install Torsion spring 6 into the depression on Gear housing cover around Tool opener hinge portion, and then fasten
Tool opener to Gear housing cover with M4 + Pan head screw.
2. Turn the tail of Torsion spring 6 clockwise using thin flat screwdriver to set it in place. (Fig. 3)
1. Remove M5x18 Hex socket head bolt. Base is separated from product. (Fig. 1)
2. Remove M4 + Pan head screw. Tool opener and Torsion spring 6 are separated. (Fig. 2)

Repair
P 4 / 14
1. After separating Safety wire from Gear housing cover, remove four CT 4x16 Tapping screws.
Gear housing cover and Packing are separated from Gear housing with Motor housing as illustrated in Fig. 6.
[5] Disassembling Gear housing cover section
Inside of Gear housing cover
Fig. 6
Fig. 7
2. Remove Stop ring E-3 with slotted screwdriver.
Push Slider to the lower dead point. (Fig. 7)
Stop ring E-3
Pin 4
Rod
Slider
Slider in the lower
dead point
Rod
3. Slide Pin 4 in order to disconnect Rod with Slider. And then, pull out Rod from Gear housing cover.
Separate Linear guides from Gear housing by removing four M4x10 Pan head screws.
Pin 4, Slider and Leaf spring are disassembled from Gear housing cover. (Fig. 8)
Note: Pay attention to the direction of Leaf spring illustrated above when reassembling.
Rod
Pin 4
Slider
Pin 4
Slider
Linear guides
Linear guides
M4x10 Pan head
screws
Leaf spring
Gear housing cover
Fig. 8
CT 4x16 Tapping screws
Gear housing cover
Packing
Gear housing

Repair
P 5 / 14
Face the roll portion
to the opposite side
of Gear housing cover
Gear housing cover
Leaf spring
3. After aligning the holes of Slider and Rod, insert Pin 4 into the aligned hole from left side as illustrated in Fig. 11.
4. Recline Slider fully and insert a pair of Linear guides as illustrated in Fig. 12.
5. While lifting up the flat side of Leaf spring, lay a pair of Linear guides to put the flat side of Leaf spring on Linear
guides as illustrated in Fig. 13.
6. Move Slider to the center of Linear guides. Fasten Linear guides with four M4x10 Pan head screws as illustrated in Fig. 14.
1. Assemble Tool opener to Gear housing cover with referring to Figs. 1, 2 and 3 in page 3.
2. Put Leaf spring in Gear housing cover. Pay attention to its assembling direction. (Fig. 9)
Insert Rod into Gear housing cover. Pay attention to the direction of the hook of Blade holder as illustrated in Fig. 10.
[6] Assembling Gear housing cover section
Tool opener
Rod
ass'y
Hook of Blade holder
Face the hook of Blade
holder to the hook of
Tool opener when installing
Rod ass'y. Refer to Fig. 10.
Hook of Blade holder
Tool opener viewed from the bottom side
Gear housing cover Hook of Tool opener
Lift up the flat side
of Leaf spring.
Lay Linear guides.
Cross section of Gear housing cover
Leaf spring
Linear guides
Gear housing cover
Note: Linear guides have to be
put between Gear housing
cover and the flat side of
Leaf spring.
Slider
Move Slider to the
center of Linear guides.
Note: Attach the ends of Linear guides to the two protrusions
in the Gear housing cover when fastening them.
M4x10 Pan head screws
Fig. 9
Fig. 11
Fig. 13
Fig. 14
Fig. 12
Fig. 10
Hole of Rod
Holes of Slider
Pin 4
(to the aligned hole)
Linear guides
Inside of Gear housing cover
Slider
The ends of Linear guides
The two protrusions in
the Gear housing cover

Repair P 6 / 14
Stop ring E-3
Pin 4
Rod
7. Install Stop ring E-3 to secure Pin 4 as illustrated in Fig. 15.
8. Check whether Slider can reciprocate on Linear guides smoothly.
Note: If Slider does not reciprocate smoothly, Linear guides may lean to the left or the right.
Try again to assemble Linear guides correctly.
9. Lubricate the parts assembled in Gear housing cover. Refer to [1] Lubrication in page 2.
10. Align Slider to Needle bearing 407 on crank complete, and then assemble Gear housing cover section to Gear housing
as illustrated in Figs. 6 and 16.
Note: 1) Do not forget to assemble packing between Gear housing cover and Gear housing.
2) Be sure to set Safety wire in place before fixing Handles L and R.
3) Be sure to tighten Strain relief firmly with 4x18 Tapping screws before fitting Handles L and R.
Otherwise, It may pull Power supply cord out of the body.
Slider
Linear guide
Crank complete
Balance plate
Needle bearing 407
Slider
Gear housing
Gear housing
cover
Fig. 15
Fig. 16

Repair
P 7 / 14
[7] Disassembling blade holder
[8] Assembling blade holder
1. Disassemble Rod with referring to [5] Disassembling Gear housing cover section in page 4.
2. Disassemble Dust cover, and then disassemble Retaining ring R-18 using 1R311. (Fig. 17)
Blade holder and Torsion spring 15 are separated from Rod as illustrated in Fig. 18.
1. Apply Makita grease FA No.2 to Push pin.
Insert Push pin to Rod.
Insert the short hook end of Torsion spring 15 to Rod. (Fig. 19)
2. Align the mark of Blade holder and the long hook end of Push pin, and then cover Blade holder on Rod with Torsion
spring 15. (Fig. 20)
3. Bring the long hook end to the space A of Blade holder by turning clockwise. (Fig. 21)
4. Push Rod into Blade holder, and then assemble Retaining ring R-18 to the groove in Blade holder using 1R311. (Fig. 22)
5. Install Dust cover as illustrated in Fig.23.
Dust cover
Retaining
ring R-18
Rod
Blade holder
Blade holder
Torsion spring 15
Note: Be careful not to lose Push pin when disassembling.
The short hook end
of Torsion spring 15
Fig. 19
Push pin
Push pin
Rod
Hole for
Push pin Hole for Torsion
spring 15
The mark of
Blade holder Blade
holder
Fig. 20 Fig. 21
The long hook end of Torsion
spring 15
Space A
Retaining ring R-18 Dust cover
Press dust cover
to Blade holder.
Fig. 17
Fig. 22 Fig. 23
Fig. 18
The long hook end
of Torsion spring 15

Repair
P 8 / 14
[9] Disassembling parts in Gear housing
3. Disassemble Retaining S-8 using 1R291. Then, the inner parts are disassembled from Gear housing as illustrated in Fig.25.
2 pcs. of M4x12
hex socket head bolts
Crank complete
Balance plate
1R235
Retaining ring S-8
Retaining
ring S-8
Push plate
Seal plate
Needle bearing 407
Note: Be careful not to lose Need bearing 407 when disassembling.
Flat washer 8
Gear housing
Balance plate
Gear complete
1. Do the disassembling steps of Gear housing cover as illustrated in Fig. 6.
2. While Locking Crank complete with 1R235, remove two M4x12 Hex socket head bolts. (Fig. 24)
Note: Two M4x12 Hex. socket head bolts are adhesive bolts. It is recommended to unscrew them with impact driver.
Fig. 24
Fig. 25

Repair
P 9 / 14
[10] Assembling parts in Gear housing
1. Pass the shaft of Gear housing through Flat washer 8. (Fig. 26)
2. After assembling Seal plate to Push plate, pass the shaft of Gear housing through Push plate with Seal plate. (Fig. 27)
3. Lubricate the parts with referring to [1] Lubrication in page 2.
4. Pass the shaft of Gear housing through Gear complete and Balance plate. (Fig. 28)
5. Assemble Crank complete to Gear housing. Push down Crank complete while turning it until the groove on
shaft of Gear housing can be seen. (Fig. 29)
6. While locking crank complete with 1R235, fasten Crank complete with two M4x12 Hex socket head bolts with
adhesive. (Fig. 30)
7. Install Retaining ring S-8 to the groove on the shaft of Gear housing using 1R291 to secure the components. (Fig. 31)
Note: Do not fasten Crank complete with the used M4x12 Hex socket head bolts. Use new M4x12 Hex socket head bolts
with adhesive. The fastening torque of these bolts has to be 2.4 - 3.5 N.m.
Flat
washer 8
Gear housing
Push plate
Seal plate Gear complete
Balance
plate
Fig. 29 Fig. 30
Press down Crank complete until the groove
on the shaft of Gear housing can be seen.
Crank complete
M4x12 Hex socket head bolts
Crank complete
Balance plate
Retaining ring S-8
1R235
Retaining ring S-8
Flat washer 8
Push plate
Seal plate
Balance plate
Gear complete
Crank complete
Shaft of Gear housing
Groove on the shaft of Gear housing
for Retaining ring S-8
Fig. 26
Fig. 31
Fig. 27 Fig. 28
Shaft of Gear housingShaft of Gear housing

Repair
P 10 / 14
[11] Disassembling Armature
1. With referring to the following section, disassemble Handle R and Gear housing cover.
[4] Disassembling Handle section in page 3
[5] Disassembling Gear housing cover section in page 4
2. Keep Brush holders away from the near side of Commutator. (Disconnecting the electrical parts is not required.)
3. Remove Retaining ring S-8, and separate Crank complete, Balance plate and Gear complete from the shaft of Gear
housing as illustrated in Fig. 32.
Note: It is not necessary to remove M4x12 Hex socket head bolt, Crank complete and Gear complete from Balance plate.
Be careful not to lose Needle bearing 407.
Retaining
ring S-8
Crank complete
Needle bearing 407
Balance plate
4. Remove four 4x30 Tapping screws, and then separate Gear housing from Motor housing. (Fig. 33)
Separate Armature from Gear housing by striking Gear housing with plastic hammer. (Fig. 34)
4x30 Tapping
screws
Gear housing Gear housing
Armature
Armature
Motor housing
Gear complete
Fig. 32
Fig. 33 Fig. 34
5. Remove Self lock 6 with slotted screwdriver. Magnet sleeve, Wave washer 6 and Rubber ring 19 are removed from
Armature shaft. (Fig. 35)
6. Remove Ball bearing 607LLB from Armature shaft. (Fig. 36)
*Self lock
*Magnet sleeve
*Wave washer 6
Rubber ring 19
Ball baring 607LLB
Insulation washer
Fig. 35
*It is not used for model 4350T.
Ball bearing
607 LLB
Insulation washer1R269
Fig. 36

Repair
P 11 / 14
[12] Assembling armature
Do not assemble the used self lock 6. Self lock 6 has to be replaced with the new one.
Pay attention to the assembling direction of Self lock 6 and Wave washer 6. (Fig. 37)
Magnet sleeve is installed to the armature shaft on commutator side for sensing the variation of rotating speed.
If it would be damaged, the electronic speed control does not work any more.
Press Magnet sleeve by hand carefully instead of arbor press while applying 1R026 to Self lock 6.
*Self lock
*Wave washer 6
*It is not used for model 4350T.
Insulation washer
Ball bearing 607LLB Rubber ring 19
*Magnet sleeve
[13] Disassembling Lever 17 (for orbital action mode change)
1. With referring to the following section, Handles L and R, and Gear housing cover.
[4] Disassembling Handle section section in page 3
[5] Disassembling Gear housing cover section in page 4
2. Remove Stop ring E-5 from the shaft of Lever 17 with slotted screwdriver. (Fig. 38)
3. While aligning Lever 17 with indication III, pull it out from Gear housing. (Fig. 39)
Then, Cap 5 and Compression spring 3 are removed. (Fig. 40)
Stop ring E-5 Align Lever 17 with indication III.
Compression
spring 3
Cap 5
Lever 17
Fig. 37
Fig. 38 Fig. 39 Fig. 40
Note:

P 12 / 14
Models with controller
Fig. D-1
Models without controller
LED (if used)
LED (if used)
Switch
Pick-up coilConnector
Connector Earth terminal
for Noise suppressor
Field
Field
Circuit diagram
Noise suppressor (if used)
Controller
Terminal block
Terminal block
Black
White Transparent
Blue
Brown Red
Color index of lead wires' sheath
Brush holder
Brush holder
Brush holder
Brush holder
For some countries,
black colored lead wire
is used instead of brown.
For some countries,
white colored lead
wire is used instead of blue.
For some countries,
white colored lead
wire is used instead
of blue.
Switch
For some countries,
black colored lead wire
is used instead of brown.
Noise suppressor (if used)
Note: Some noise suppressors have only two lead wires. Their lead wires' color is white.
Closed
end splice
2-SD
Power circuit
(if used)

P 13 / 14
Wiring
Route Field lead wires (black and white) and Earth lead wire (transparent)
for Noise suppressor as illustrated in Figs. D-2 and D-3.
Put each lead wire into Lead wire holders.
Do not slack the lead wire from rear side of Motor housing to inside of Handle.
Lead wire holders of Motor housing
Rear side of Motor housing
Lead wire holders of
Motor housing
Brush holder
Pins
Route Lead wires to the inside of Pins
Put LED lead wire into
lead wire holder.
Controller (if used)
Switch
Pick-up coil
Brush holder
Put Controller lead wire
(brief sized one) with tube
in this space. (if used)
Noise suppressor
(if used)
Closed end splice
2-SD
Put the slack of LED lead wire
in this space.
Earth lead wire
(transparent): if used
Installation hole
for Earth lead wire
Field lead wires (black)
Field lead wire
(white)
Fig. D-2 Fig. D-3
Inside of Handle for model with Controller
Route Lead wire
between boss and wall.
Terminal
black (if used) LED (if used)
Field lead wire (white)Field lead wire (black)Route Lead wires
between rib and wall

P 14 / 14
Wiring
Switch
Inside of Handle for model without Controller
Route Lead wire
between boss and wall.
Field lead wire (white)Field lead wire (black)
Brush holder
Terminal
black (if used) LED (if used)
Noise suppressor (if used)
Power circuit Connector
Route Lead wires
between rib and wall