Makita 4326 Manual

Model No.
Description
PRODUCT
CONCEPT AND MAIN APPLICATIONS
P 1/ 7
Specification
Standard equipment
Note: The standard equipment for the tool shown above may differ by country.
4326, 4326M, 4327, 4327M, 4328, 4329, M438, M439
Jig Saw
These models have been developed as the successor models of 4322 series.
In addition to the advantages of the predecessor models, 4326 series models feature
the following benefits:
4326M, 4327M, M438
Jig saw blade No.10 ........ 1 pc
Hex wrench 3 .................. 1 pc
4326, 4327, 4328, 4329, M439
Jig saw blade No. B-10 ... 1 pc
Hex wrench 3 .................. 1 pc
Optional accessories
Guide rule set
Kerf board Hose 28-1.5 Hose 28-3.0 Jig saw blades Plastic carrying case
120
110
220
230
240
4.3 450
--- 270 42050/60
2.2 450 270 42050/60
2.1 450 270 42050/60
2.0 450 270 42050/60
3.9 270 42050/60
Continuous Rating (W)
Voltage (V) Cycle (Hz) Input Output Max. Output (W)
Current (A)
Model 4329
Dimensions: mm (")
Width (W)
Height (H)
Length (L) with steel plate base 217 (8-1/2)
with aluminum base 223 (8-3/4)
77 (3)
197 (7-3/4)
L
H
W
450W continuous rating input
New exterior design and ergonomic handle with rubberized soft grip
Change lever for 3 orbital settings and straight cutting (4328, 4329 and M439 only)
TECHNICAL INFORMATION
Specification
Net weight: kg (lbs)
*1: Model M438 is also available with Makita-type shank.
*2: Models 4326, 4327 and M438 are also available with aluminum base.
with steel plate base: 1.8 (4.0)
with aluminum base: 1.9 (4.2)
Model M438
No load speed:
strokes per min.
Steel
Capacities:
mm (") Wood 6 (1/4)
500 - 3,100
Length of stroke: mm (") 18 (11/16)
Shank type B-type*1
Double insulation
Power supply cord: m (ft) 2.0 (6.6)
Yes
Variable speed control
by dial Yes
Housing color Natural green
M439
Natural green
Cut settings 3 Orbital settings + Straight cuttingStraight cutting
No
Connectable to vacuum
Material of base
Toolless blade change Yes
4326
3,100
B-type
with B-type blade: 65 (2-9/16), with Makita type blade: 40 (1-1/2)
Steel plate*2
4326M
Makita-type
Steel plate
4327M
Makita-type
Steel plate
No
Makita-blue Makita-blue
4327
B-type
Steel plate*2
4328
Steel plate
4329
B-type
AluminumSteel plate*2

P 2 / 7
Repair
[2] LUBRICATION
Apply 7g in total of Makita grease N. No.1 to the portions designated with gray arrows and a little amount of that to
the portions designated with the white arrows to protect parts and product from unusual abrasion.
Fig. 2 (4328, 4329, M439)
[1] NECESSARY REPAIRING TOOLS
Fig. 1 (4326, 4326M, 4327, 4327M, M438)
CAUTION: Unplug the machine and remove the jig saw blade from the machine for safety
before repair/ maintenance in accordance with the instruction manual!
Code No. Description Removing Bearing case complete fromArmature ass'y
Removing Ball bearings 627LLB and 608DDW
1R269 Bearing extractor
Contact surface of Collar sleeve
and Slider
Contact surface of Push plate
and Balance plate
Contact surface of Pin 3 and Balance plate
Contact surface of Pin 3 and Balance plate
Contact surface of Balance plate
and Gear complete
Large oval hole of
Balance plate where
the cylinder of Gear
complete contacts
Large oval hole of Balance plate where
the cylinder of Gear complete contacts
Contact surface of
Push plate and
Bearing case complete
Removing retaining rings1R291 Retaining ring S and R pliers
Use for
Contact surface of Collar sleeve
and Slider
Contact surface of Pin 3
and Balance plate
Contact surface of
Thrust plate and Bearing case
complete
Contact surface of
Thrust plate and Balance plate

P 3 / 7
Repair
1) Remove Base and M4x16 Hex. socket head bolt using Hex. wrench 3 (Standard accessory).
2) Slide the the protrusions of Dust cover and remove Dust cover from Housing set. (Fig. 3)
3) Remove nine 4x18 Tapping screws and one 4x35 Tapping screw. Housing R can be removed. (Fig. 3)
Refer to Figs. 4 (4326, 4326M, 4327, 4327M, M438) and 4a (4328, 4329, M439).
1) Remove Slider section from Collar sleeve.
2) Remove Collar sleeve from Gear complete.As for 4326, 4326M, 4327, 4327M and M438, Bearing case complete,
Thrust plate and Gear complete can be removed in this step.
3) As for 4328, 4329 and M439, remove Retaining ring S-6 from the pin of Bearing case complete using 1R291.
Bearing case complete, Push plate, Balance plate and Gear complete can be removed.
[3] Disassembling of Housing R
[4] Disassembling Gear Section
Fig. 3
Tapping screw 4x35
Tapping screw 4x18: 9 pcs.
Protrusions of Dust cover
Depressions in the grooves of Housing set
Note: Be sure to slide the protrusions out of
the depressions.
Collar sleeve
[Slider section]
Fig. 4
Gear complete
Pin 3
Balance plate
Bearing case complete
Dust seal
Retaining ring S-6 Slider support
Push plate
Collar sleeve
Pin 3
Bearing case complete
Gear complete
Thrust plate
Balance plate
[Slider section]
Slider
Slider guide
Slider guide
Polyurethane sponge seal
Polyurethane
sponge seal
Seal plate
Slider
Fig. 4a

P 4 / 7
Repair
Refer to Figs. 4 and 4a.
1) Assemble Armature ass'y to Bearing case complete.
2) As for 4326, 4326M, 4327, 4327M and M438, mount Thrust plate on Bearing case complete. (Fig. 4)
As for 4328, 4329 and M439, after inserting Thrust plate to Dust seal, mount them on Bearing case complete. (Fig. 4a)
3) Connect Armature shaft gear and the pin of Bearing case complete to Gear complete through the holes of Balance plate.
As for 4328, 4329 and M439, fit Retaining ring S-6 into the groove of the pin of Bearing case complete using 1R291.
4) Face the collar side of Collar sleeve to Gear complete, and mount Collar sleeve on Gear complete.
5) Put Collar sleeve into the hole of Slider section after assembling the components.
Remove Armature ass'y from Bearing case complete using 1R269 as illustrated in Fig. 5.
Bearing case complete
Lever 18
III mark
Armature ass'y
[5] Assembling Gear Section
[5] Removing Armature ass'y
Refer to Fig. 6.
1) Remove Stop ring E-4 behind Lever 18 using a slotted screwdriver.
2) Align Lever 18 with III mark on Housing set and pull out Lever 18.
Steel ball 4 and Compression spring 4 can be removed.
[6] Removing Lever 18 (only for 4328, 4329 and M439)
Fig. 5
Fig. 6
1R269

P 5 / 7
Repair
Referring to Fig. 7, Assemble Fig.R to Housing L.
Note: 1) Firmly insert O rings into the bottom of holes in Housing R so as not to fall off. (The bottom positions have
ribs for prevention of falling them off.)
2) Be sure to set each component in place of Housings R and L. Do not pinch Polyurethane sponge seal.
3) Do not put Leaf spring under Slider. Insert Leaf spring to the holder of Housing R so that the Leaf spring
is parallel to Slider section and vertical to Housing L.
4326, 4326M, 4327, 4327M, M438
Slider section
Slider section
Housing L
4328, 4329, M439
[7] Assembling Housings R and L
Fig. 5
O ring
Parallel
Vertical
Holder for
Leaf spring
Housing L
Slider guide Slider support
Polyurethane
sponge seal Polyurethane sponge seal
with Seal
plate

Circuit diagram
P 6 / 7
Black
White
Orange
Blue
Noise
suppressor (It is not used for some countries.)
Brown
Purple
Color index of lead wires' sheath
4326, 4326M
4327, 4327M, 4328, 4329, M438, M439
Noise
suppressor (It is not used for some countries.)
Field
Field
Brush holder
Brush holder
Controller
Connector 2-SD
Brush holder
Switch
Switch
Brush holder
Power supply cord
Fig. D-1
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, black colored lead
wire is used instead of brown.
For some countries, white
colored lead wire is used
instead of blue.
Power supply cord

Wiring diagram
P 7 / 7
Noise suppressor
(It is not used for some countries.)
For some countries, white colored lead wire
is used instead of blue.
As for 4327, 4327M, 4328, 4329, M438 and M439, Controller is installed
here.
Do not slack the lead wires. Be sure to route them as illustrated.
Put the white lead wire under the purple lead wire and
the orange lead wire.
For some countries,
black colored lead wire
is used instead of brown.
Put Field lead wires under Brush holder.
Fix all lead wires with
Lead wire holders.
Fix a white colored
lead wire of Controller
with Lead wire holders
(4327, 4327M, 4328, 4329,
M438 and M439 only)
Fig. D-1
Black
White
Orange
Blue
Brown
Purple
Color index of lead wires' sheath