Parts Breakdown

990

Products with multiple versions are listed in subsiding order with the newest version on top not indented

Fig #

Part ID

Part Name

Quantity

1

651284-9

SWITCH, 2107F

1

2

151743-8

MOTOR HOUSING CPL., 9903

1

4

417049-7

FRONT GRIP, 9903

1

5

266173-1

T. SCREW FLANGE PT5X3,9015B

1

7

682503-2

CORD GUARD 8-90, 9005B

1

8

687063-9

STRAIN RELIEF, 4323K

1

9

265995-6

TAPPING SCREW 4X18, 4323K

2

10

211088-7

BALL BEARING 6000DDW, 9005B

1

11

681649-1

INSULATION WASHER, 9921

1

12

523401-0

FIELD ASS'Y, 9903

1

13

266056-5

T. SCREW FLANGE PT5X45,9046

2

14

643750-0

BRUSH HOLDER CAP, HM1100C

2

15

191963-2

CARBON BRUSH CB-303 SET, 9227C

1

16

513336-3

ARMATURE ASS'Y 115V, 9903

1

17

417050-2

BAFFLE PLATE, 9903

1

18

240026-2

FAN 75, 9903

1

19

210023-2

BALL BEARING 627DDW, 9910

1

20

417047-1

MOTOR COVER, 9903

1

21

819001-5

MAKITA LABEL, 9015A

1

22

265995-6

TAPPING SCREW 4X18, 4323K

4

23

417051-0

HANDLE COVER, 9903

1

24

417052-8

BELT COVER, 9903

1

25

252153-3

HEX NUT M6-10, 9910

1

26

225084-9

SYNCHRO BELT 6-330, 9903

1

27

241663-5

FAN 76, 9903

1

28

251815-0

SCREW M6X25, 9900B

1

29

253707-9

F. WASHER 16, 6802BV

1

30

231225-7

COMP. SPRING 16, 9900B

1

31

266050-7

P.T. SCREW 4X30, 4304

5

32

931402-8

HEX NUT M8, 5037NB

1

33

222156-1

PULLEY 9.5-46.0, 9903

1

34

317273-1

GEAR COVER, 9903

1

35

211092-6

B. BEARING 629DDW, BO4530

1

36

226520-8

HELICAL GEAR 10, 9903

1

37

151755-1

HELICAL GEAR 39 CPL., 9903

1

38

852044-4

NAME PLATE, 9903

1

39

151746-2

FRAME COMPLETE, 9903

1

40

211088-7

BALL BEARING 6000DDW, 9005B

1

41

162217-4

DRIVING ROLLER, 9903

1

42

252154-1

HEX NUT M8-13, 9910

1

43

961052-5

RETAINING RING S-12, 9218PBL

1

44

323931-9

TENSION ROLLER SHAFT, 9903

1

45

253922-5

CUP WASHER 12, 9900B

2

46

151753-5

TENSION ROLLER CPL., 9903

1

47

344823-9

LEVER, 9903

1

48

267731-6

CUP WASHER, 9910

1

49

265059-6

SHOULDER SCREW M4, 9910

1

50

416417-1

ROLLER, 9910

1

51

233249-9

COMPRESSION SPRING 7, 9903

1

52

151744-6

TENSION ROLLER ARM CPL., 9903

1

53

267746-3

CUP WASHER 17, 9903

1

54

233250-4

COMPRESSION SPRING 12, 9903

1

55

266034-5

TAPPING SCREW 4X16, 9524NB

2

56

344821-3

SAFETY COVER, 9903

1

57

911117-3

P.H. SCREW M4X12, 4014NV

2

57

911116-5

P.H. SCREW M4X12, 4301BV

2

60

631379-4

CONTROLLER, 9903

1

61

151749-6

STEEL PLATE CPL,9903

1

63

344829-7

GUARD, 9903

1

64

265995-6

TAPPING SCREW 4X18, 4323K

3

65

266034-5

TAPPING SCREW 4X16, 9524NB

1

66

266034-5

TAPPING SCREW 4X16, 9524NB

1

67

266034-5

TAPPING SCREW 4X16, 9524NB

4

1001

122591-2

DUST BAG ASS'Y, 9903

1

 

 

Page 2 of 3

12/8/200

Page 2
Image 2
Makita manual Parts Breakdown 990

990 specifications

The Makita 990 is a powerful and versatile tool that has gained widespread popularity among both professionals and DIY enthusiasts. This rotary hammer is designed to tackle a variety of tasks, including drilling, chiseling, and demolition, making it an excellent addition to any tool collection.

One of the main features of the Makita 990 is its robust motor. With a high-performance motor delivering exceptional power and efficiency, the tool can easily penetrate tough materials like concrete and masonry. The motor produces an impressive impact energy, which translates into faster drilling speeds and reduced user fatigue. This makes the 990 ideal for heavy-duty applications where speed and power are paramount.

The tool's dual-mode selector is another standout feature. It allows users to switch between rotary hammer mode and hammer-only mode effortlessly. This flexibility enables the Makita 990 to perform various jobs, from drilling holes to breaking up concrete. This adaptability is crucial for contractors and handymen who require a tool that can handle multiple tasks without the need for several different machines.

In terms of ergonomics, the Makita 990 is designed with user comfort in mind. It features a rubberized grip that provides excellent control and reduces vibrations, allowing for prolonged use without discomfort. The lightweight construction further enhances maneuverability, making it easier to handle during extended work periods.

Moreover, the Makita 990 is equipped with advanced technologies that improve its overall performance and longevity. The tool incorporates a counterbalance mechanism to minimize vibrations, which contributes to better precision when drilling or chiseling. Additionally, the sturdy housing and durable materials used in its construction ensure that the 990 can withstand the rigors of job sites.

Another key characteristic of the Makita 990 is its quick-change chuck system. This feature allows for fast and easy bit replacements without the need for additional tools. Users can switch between different bit sizes and types, enhancing productivity and versatility on the job.

In summary, the Makita 990 is a reliable rotary hammer with a powerful motor, dual-mode operation, ergonomic design, and advanced technologies. Its versatility and performance make it an essential tool for anyone looking to tackle demanding construction or renovation projects. With its combination of power and ease of use, the Makita 990 stands out as a top choice in its category.