Makita 4390D, 4390DW User Manual

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05 - 2010

4390D / 4390DW

CORDLESS RECIPRO SAW

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4
5

6
8

7

13

A01

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17
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Item No. Type Sub Part No. Description (*see Service changes on the bottom) Qty Unit

1 629581-1 * DC MOTOR 9.6V 1 PC.

1 INC. 221882-9 * SPUR GEAR 15 1 PC.

2 152272-4 SUPPORTER COMPLETE 1 PC.
3 153202-8 * GEAR COMPLETE 1 PC.
4 253307-5 THIN WASHER 4 3 PC.
5 253874-0 FLAT WASHER 4 1 PC.
6 212014-9 NEEDLE BEARING 407 1 PC.
7 154401-5 * SLIDER 1 PC.

7 INC. 256672-1 * PIN 2 1 PC.
7 INC. 313057-5 * BLADE CLAMP 1 PC.
7 INC. 258017-9 * SPRING PIN 1.5-10 1 PC.
7 INC. * Item No. 9

8 214020-0 PLANE BEARING 3 1 PC.
9 443063-7 * FELT 1 PC.
10 344979-8 * BASE HOLDER (OLD# 334032-8 - N/L/A) (OLD) 1 PC.
11 214020-0 PLANE BEARING 3 1 PC.
12 214020-0 PLANE BEARING 3 1 PC.
13 922107-1 HEX. SOCKET HEAD BOLT M4X8 1 PC.
14 1 163157-9 SET PLATE

14 2 342833-0 SET PLATE 1 PC.

15 182406-5 * HOUSING SET 1 SET
17 231390-2 COMPRESSION SPRING 3 1 PC.
18 414169-8 LOCK-OFF LEVER 1 PC.
19 643909-9 BATTERY HOLDER 1 PC.
20 410972-5 TRIGGER 1 PC.
21 1 651899-2

21 2 651866-7

22 322099-8 ROLLER 1 PC.
23 256654-3 PIN 4 1 PC.
24 343875-7 * SHOE 1 PC.
26 961017-7 STOP RING E-3 1 PC.
27 911143-2 PAN HEAD SCREW M4X22 8 PC.
100 655000-B PLUG (FOR CAR LIGHTER) 1 PC.

SWITCH (USE 651866-7 WHEN STOCK RUNS OUT)
SWITCH (UL Approved - OLD# 651866-7, USE OLD# FIRST)

1 PC.
1 PC.

ACCESSORIES - See catalogue or visit www.makita.ca for other optional accessories -

A01 632007-4 9.6V NI-CAD BATTERY 9000 1 PC.
A02 783201-2 HEX WRENCH 3 1 PC.
A03 414938-7 BATTERY COVER 1 PC.
A04 DC1414 CHARGER DC1414 1 PC.
A05 792541-7

A05 792542-5 RECIPRO SAW BLADE #71, 5PC/SET 1 PC.

RECIPRO SAW BLADE #78, 5PC/SET

(OLD# 792543-3)

1 PC.

2 MODEL 4390D, 4390DW

SERVICE CHANGES

1. Changes on Motor Housing, Gear, Slider, Shoe etc.
Item No. Description Type 1 Type 2 Type 3 Type 4

Motor D.C 9V

1

Spur Gear

(Component of Item 1)

629544-7 (N/LA) 629578-0 (N/L/A)

221920-7 (N/L/A) 221882-9

629581-1

410995-3 (R) (N/L/A)

414344-6 (R) (N/L/A)

15 Housing Set 182406-5

410996-1 (L) (N/L/A)

3 Gear Com.

153157-7 (N/L/A) 153202-8
24 Shoe 343875-7
7 Slider Com. 154401-5

164774-8 (Slider)
9 Felt
10 Base Holder -----

344979-8 (or 334032-8)

414345-4 (L) (N/L/A)

343456-7

443063-7

Above parts are completely interchangeable as a set.

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Service Notes

1. Type 2 Motor will fit into Type 1 Housing if the following parts are added.

2. New method of installing Blades (For Type 4 Slider Com.)

Loosen the blade se cur ing bolt fully
with the hex wrench. Keep the back
edge of the blade fit ting into the roller
and in sert the blade be tween the blade
clamp and the slider as far as it will go.
Make sure that you are in serting the
blade into the proper position.

Fit the pin on the slider in the hole in the
blade shank.
Note:
The hole in the blade shank will be aligned
with the pin on the slider when the blade
shank hits against the spring pin on the
slider.

Tighten the bolt se curely while
mak ing sure that the blade will not
be extracted even though you try to
pull it out.
CAUTION:
If you tighten the bolt with out the pin
on the slider fit ting prop erly in the
hole in the blade shank, the pin or
the blade shank will be damaged.
This may cause the blade to be
extracted un expectedly during operatio.