Hitachi RB 40SA User manual

TECHNICAL DATA
AND
SERVICE MANUAL
BLOWER
RB 40SA
RB 40VA
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
LIST Nos. RB 40SA: E703
RB 40VA: E704
Dec. 2004
R
MODELS
RB 40SA
RB 40VA
Hitachi 
Power Tools

REMARK:
Throughout this TECHNICAL DATA AND SERVICE MANUAL, a symbol is used
in the place of company name and model name of our competitor.
The symbol utilized here is as follows:
Symbol Utilized
Competitor
Company Name Model Name
CMAKITA UB1101

CONTENTS
Page
1. PRODUCT NAME ........................................................................................................................... 1
2. APPLICATIONS .............................................................................................................................. 1
3. SELLING POINTS .......................................................................................................................... 1
3-1. Selling Points Descriptions ............................................................................................................. 2
4. SPECIFICATIONS .......................................................................................................................... 3
5. COMPARISONS WITH SIMILAR PRODUCTS .............................................................................. 4
6. PRECAUTIONS IN SALES PROMOTION ..................................................................................... 5
6-1. Handling Instructions ...................................................................................................................... 5
6-2. Caution on Name Plate ................................................................................................................... 5
7. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY ............................................................ 6
7-1. Disassembly ................................................................................................................................... 6
7-2. Reassembly .................................................................................................................................... 7
7-3. Tightening Torque ........................................................................................................................... 8
7-4. Wiring Diagram ............................................................................................................................... 8
7-5. Connection to the Switch ................................................................................................................ 9
7-6. Insulation Tests ............................................................................................................................. 10
7-7. No-load Current Value .................................................................................................................. 10
8. STANDARD REPAIR TIME (UNIT) SCHEDULES ........................................................................ 11
Assembly Diagram for RB 40SA
Assembly Diagram for RB 40VA

--- 1 ---
1. PRODUCT NAME
Hitachi Blower, Model RB 40SA
Model RB 40VA
2. APPLICATIONS
Blowing wood particles from wood working machines.
Cleaning shavings from sashes or the like.
Cleaning distribution boards and associated machine in power plants, factories, buildings and so on.
Cleaning various types of facilities in lumber mills, tobacco plants, cement plants and spinning mills.
Drying paint and mortar
3. SELLING POINTS
Innovated design
Variable speed control
trigger switch: only
Model RB 40VA
Fig. 1
Fig. 2
Soft grip handle:
avoiding slippage
and easier handling
Dust can be collected.
Dust bag is a standard
accessory.
Stable floorstanding
operation is possible.
Max. air volume: 3.8 m3/min:
No. 1 in this class

--- 2 ---
3-1. Selling Points Descriptions
(1) Maximum air volume: 3.8 m3/min
The fan shape and the air ducts are optimized to realize the greatest air volume 3.8 m3/min in the class.
Table 1 Comparison of max. air volume
(2) Soft grip handle
The grip of the Models RB 40SA and RB 40VA are soft and slip-resistant for comfortable operation.
(3) Dust bag is a standard accessory
The Models RB 40SA and RB 40VA can also collect dust because they are equipped with a dust bag as a
standard accessory.
(5) Stable floorstanding operation is possible
The Models RB 40SA and RB 40VA can stand straight on the floor thanks to the uniquely shaped handle,
casing and casing cover. The Models RB 40SA and RB 40VA are convenient for continuous operation such as
drying works because they can also be placed upside down on the floor stably.
3.8
2.3
2.8
HITATCHI
RB 40SA/RB 40VA
HITACHI PB 20
C
02
0.5 34
1 1.5 2.5 3.5
(m
3
/min)
Fig. 3
(4) Variable speed control trigger switch: only Model RB 40VA
The Model RB 40VA is equipped with the variable speed
control trigger switch. The triggering amount is adjustable
by the dial. The Model RB 40VA blows necessary volume
of air at a fixed rate.
Switch
Air volume is
decreased.
Air volume is
increased.
Dial

--- 3 ---
2.6 kg
Voltage, current and power input
1.7 kg
Standard accessories
Insulation structure
Net (without cord)
Weight
Packing
Nozzle ................................................................................................. 1 pc.
Dust bag ............................................................................................. 1 pc.
4. SPECIFICATIONS
3.8 m3/min.
Item
Air volume
RB 40SA
Air pressure 5.5 kPa
Model RB 40VA
0 to 3.8 m3/min.
0 to 5.5 kPa
Type of switch
Glass fiber reinforced polyamide resin (green) and elastomer (black)
Trigger switch with stopper
Enclosure
Housing handle
cover
Type of motor AC single phase commutator motor
Full load speed
Casing
Casing cover Glass fiber reinforced polyamide resin (black)
Variable speed control trigger switch
with stopper
Double insulation
16,000 min-1 0 to 16,000 min-1
Gross
Corrugated cardboard box
Power source AC single phase 50/60 Hz
110 V
220 V
230 V
240 V
Voltage (V) Current (A) Power input (W)
5.2
2.6
2.5
2.4
550

--- 4 ---
Full load speed
Standard accessories
Length (with nozzle)
5. COMPARISONS WITH SIMILAR PRODUCTS
Item
Air pressure
RB 40VA
Noise level (with nozzle)
Maker•Model
PB 20
Trigger switch
with stopper
Cord length
Net weight (without cord)
Power output
Soft grip
RB 40SA
C
HITACHI
Unit
Air volume
(without nozzle) m3/min
kPa
dB
min-1
Type of switch
Variable speed
control trigger
switch with
stopper
W
kg
mm
m
3.8
5.5
16,000
1.7
Dust bag
Nozzle
447
5
Provided
550
84
0 to 3.8
0 to 5.5
0 to 16,000
1.7
Dust bag
Nozzle
447
5
Provided
550
84
2.3
3.9
13,000
1.8
Dust bag
Nozzle
428
5
Not provided
335
Trigger switch
with stopper
Variable speed
control trigger
switch with
stopper
0 to 2.8
0 to 5.5
0 to 16,000
1.7
Dust bag
Nozzle
480
5
Not provided
600
85

--- 5 ---
6. PRECAUTIONS IN SALES PROMOTION
In the interest of promoting the safest and most efficient use of the Models RB 40SA and RB 40VA Blowers by all
of our customers, it is very important that at the time of sale the salesperson carefully ensures that the buyer
seriously recognizes the importance of the contents of the Handling Instructions, and fully understands the
meaning of the precautions listed on the Name Plate and Caution Plate attached to each tool.
6-1. Handling Instructions
Although every effort is made in each step of design, manufacture and inspection to provide protection against
safety hazards, the dangers inherent in the use of any electric power tool cannot be completely eliminated.
Accordingly, general precautions and suggestions for the use of electric power tools, and specific precautions and
suggestions for the use of the disc grinders are listed in the Handling Instructions to enhance the safe and efficient
use of the tool by the customer. Salespersons must be thoroughly familiar with the contents of the Handling
Instructions to be able to offer appropriate guidance to the customers during sales promotion.
6-2. Caution on Name Plate
Each tool is provided with a Name Plate which contains the following basic safety precautions in the use of the
tool.
CAUTION
Read thoroughly HANDLING INSTRUCTIONS before use.

--- 6 ---
7. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY
The [Bold] numbers in the descriptions below correspond to the item numbers in the parts list and exploded
assembly diagram.
7-1. Disassembly
(1) Disassembly of the fan
Be sure to draw on work gloves before holding the Fan [7] to prevent injury to fingers. Remove Nozzle Ass'y
(A) [1] from the main body. Remove the Tapping Screws (W/Flange) D4 x 20 (Black) [9] and the Tapping
Screws (W/Flange) D4 x 25 [35] that secure the Casing Cover [5] to the casing. Remove the U-Nut M6 [6]
and pull out the Fan [7] from the armature shaft.
(2) Disassembly of the armature
After removal of the Fan [7], remove the Carbon Brushes (1 Pair) [28] from the Housing Ass'y [20]. Remove
the Tapping Screws (W/Flange) D5 x 30 [10] that secures the casing to the housing ass'y. After removal of the
Casing [8] from the Housing Ass'y [20], the Armature [15] can be removed together with the Casing [8] or the
Armature [15] is remained in the Housing Ass'y [20]. In either case, the Armature [15] can be removed by
lightly tapping the end of the Casing [8] or the Housing Ass'y [20] with a wooden hammer.
(3) Disassembly of the armature
Remove the Tapping Screws (W/Flange) D4 x 20 (Black) [9] that secures the Handle Cover [23] to the
Housing Ass'y [20]. Loosen the screw securing the cord of the Switch (1P Pillar Type) [24] and remove the
cord.
Fig. 5
Screw securing the cord
Cord
Fig. 4
Remove the internal wire or the choke coil of the Stator Ass'y [18] and the internal wire of the Noise
Suppressor [30] by inserting a small-diameter screwdriver or a pin into the indentations adjacent to each
terminal and pulling the internal wires lightly.
Indentations
Indentations

--- 7 ---
Fig. 6
7-2. Reassembly
Reassembly can be accomplished by following the disassembly procedures in reverse. However, special
attention should be given to the following items.
[13]
[14]
Fig. 8
Fig. 7
[19]
[15]
[14]
(1) Mount Washer (A) [14] to the Armature [15] so that the convex side of Washer (A) [14] faces the ball bearing.
Press-fit the Ball Bearing 608DDW [13] as far as it will go.
(2) Check that the Bearing Lock [12] is mounted to the ball bearing chamber of the Housing Ass'y [20]. Then put
the Armature [15] in the Stator Ass'y [18].
(3) Check that the Bearing Lock [12] is mounted to the Casing [8]. Secure the Casing [8] to the Housing Ass'y
[20] with the Tapping Screws (W/Flange) D5 x 30 [10].
(4) Mount the Washer [11] to the armature shaft. Insert the Fan [7] aligning with the width across flat of the
armature shaft and secure it with the U-Nut M6 [6]. The tightening torque of the U-Nut M6 [6] is 2.9 0.5 N•m
(30 5 kgf•cm). Be careful not to overtighten the U-Nut M6 [6].
(5) Secure the Casing Cover [5] to the Casing [8] with two Tapping Screws (W/Flange) D4 x 20 (Black) [9] and
four Tapping Screws (W/Flange) D4 x 25 [35]. Be careful not to mistake the screw positions.
Tapping Screws
(W/Flange) D4 x 20 (Black) [9]
Tapping Screws
(W/Flange) D4 x 25 [35]
(6) Mount the Carbon Brushes (1 Pair) [28] to the Housing Ass'y [20].
Ball bearing side
Washer (A) [14]

--- 8 ---
7-3. Tightening Torque
(1) Tapping Screw D4 [9] [25] 2.0 0.5 N•m (20 5 kgf•cm)
(2) Tapping Screw D5 [10] 2.9 0.5 N•m (30 5 kgf•cm)
(3) U-Nut M6 [6] 2.9 0.5 N•m (30 5 kgf•cm)
7-4. Wiring Diagram
(1) RB 40SA
(a) Products with noise suppressor and choke coil:
(b) Products without noise suppressor and choke coil:

--- 9 ---
(2) RB 40VA
(a) Products with noise suppressor and choke coil:
(b) Products without noise suppressor and choke coil:
7-5. Connection to the Switch
Solder the tips of the internal wires of the Stator Ass'y [18], Noise Suppressor [30] and Choke Coil [31].
Then insert them into the terminals of the Switch (1P Pillar Type) [24].
Solder
Internal wire

--- 10 ---
7-6. Insulation Tests
On completion of disassembly and repair, measure the insulation resistance and conduct dielectric strength test.
Insulation resistance: 7 M Ωor more with DC 500 V megohm tester
Dielectric strength: AC 4,000 V/1 minute, with no abnormalities ••••••• 220 V --- 240 V
(and 110 V for U. K. products)
AC 2,500 V/1 minute, with no abnormalities ••••••• 110 V
(except for U. K. products)
7-7. No-load Current Value
After no-load operation for 30 minutes, the current value in the case of operation with the nozzle should be as
follows.
Voltage 110 V 220 V 230 V 240 V
Current 5.2 A 2.6 A 2.5 A 2.4 A

--- 11 ---
8. STANDARD REPAIR TIME (UNIT) SCHEDULES
MODEL 10 20 30 40
Fixed
Variable
Work Flow
Switch
Cord
Cord Armor
60 min.
50
Housing Ass'y
Stator Ass'y
Armature
Ball Bearing
608DDW x 2
General Assembly
Casing Cover
Casing
Fan
RB 40SA
RB 40VA

ELECTRIC TOOL PARTS LIST
LIST NO. E703
BLOWER
Model RB 40SA
2004
•
12
•
15
(E1)
Hitachi Power Tools
31
32
5
6
7
10
11 12 13 14 15
16
17 18 14
20
21
27 28 29
23
24
25 26
30
33
34
501
2
8
22
3
1
12
3
1
12 19
9
4
35
9

*ALTERNATIVE PARTS--- 2 ---
ITEM
NO. CODE NO. DESCRIPTION REMARKS
NO.
USED
PARTS
12 -- 04
RB 40SA
1323-582 NOZZLE ASS’Y (A) 1 INCLUD. 2, 3
2NOZZLE 1
3323-583 HOLDER (A) 1
4HITACHI LABEL 1
5323-573 CASING COVER 1
6323-572 U-NUT M6 1
7323-571 FAN 1
8323-570 CASING 1
9301-653 TAPPING SCREW (W/FLANGE) D4X20 (BLACK) 6
10 305-507 TAPPING SCREW (W/FLANGE) D5X30 3
11 930-079 WASHER 1
12 931-701 BEARING LOCK 2
13 608-DDW BALL BEARING 608DDW 1
14 982-631 WASHER (A) 2
*15360-683C ARMATURE 110V 1
*15360-683E ARMATURE 220V-230V 1
*15360-683F ARMATURE 240V 1
16 980-864 HEX. HD. TAPPING SCREW D5X40 2
17 930-630 BRUSH TERMINAL 2
*18340-602L STATOR ASS’Y 110V 1 INCLUD. 17
*18340-602H STATOR ASS’Y 220V-230V 1 INCLUD. 17
*18340-602E STATOR ASS’Y 220V-230V 1 INCLUD. 17 FOR ITA, AUT, CHN
*18340-602F STATOR ASS’Y 240V 1 INCLUD. 17
19 608-DDW BALL BEARING 608DDW 1
20 323-576 HOUSING ASS’Y 1 INCLUD. 22, 27
21 NAME PLATE 1
22 938-477 HEX. SOCKET SET SCREW M5X8 2
23 340-054 HANDLE COVER 1
24 323-575 SWITCH (1P PILLAR TYPE) 1
25 984-750 TAPPING SCREW (W/FLANGE) D4X16 2
26 960-266 CORD CLIP 1
27 957-571 BRUSH HOLDER 2
28 999-021 CARBON BRUSH (1 PAIR) 2
29 931-266 BRUSH CAP 2
*30930-039 NOISE SUPPRESSOR 1 FOR ITA, AUT, CHN
31 303-837 CHOKE COIL 2
32 959-141 CONNECTOR 50092 (10 PCS.) 2
33 307-217 CORD ARMOR D7.2 1
*34500-409Z CORD 1 (CORD ARMOR D7.2)
*34500-447Z CORD 1 (CORD ARMOR D7.2) FOR SYR
*34930-049 CORD 1 (CORD ARMOR D7.2) FOR VEN
*34500-468Z CORD 1 (CORD ARMOR D7.2) FOR INA, CHN
*34500-423Z CORD 1 (CORD ARMOR D7.2) FOR KUW, SIN
*34500-435Z CORD 1 (CORD ARMOR D7.2) FOR HKG
35 306-999 TAPPING SCREW (W/FLANGE) D4X25 4

*ALTERNATIVE PARTS --- 3 ---12 -- 04
STANDARD ACCESSORIES
OPTIONAL ACCESSORIES
ITEM
NO. CODE NO. DESCRIPTION REMARKS
NO.
USED
ITEM
NO. CODE NO. DESCRIPTION REMARKS
NO.
USED
RB 40SA
501 323-587 DUST BAG 1
601 323-588 HOSE SET 1 INCLUD. 602-604
602 323-584 HOSE 1
603 323-585 HOSE JOINT 1
604 323-586 NOZZLE 1
605 317-124 LONG NOZZLE ASS’Y 1 INCLUD. 606
606 317-123 HOLDER 1
607 990-046 NOZZLE (B) 1

--- 4 ---
ITEM
NO. CODE NO. DESCRIPTION REMARKS
NO.
USED
12 -- 04
RB 40SA
Printed in Japan
(041215N)

ELECTRIC TOOL PARTS LIST
LIST NO. E704
BLOWER
Model RB 40VA
2004
•
12
•
15
(E1)
Hitachi Power Tools
31
32
5
6
7
35
10
11 12 13 14 15
16
17 18 14
20
21
27 28 29
23
24
25 26
30
33
34
501
2
8
22
3
1
12
3
1
12 19
9
9
4

*ALTERNATIVE PARTS--- 2 ---
ITEM
NO. CODE NO. DESCRIPTION REMARKS
NO.
USED
PARTS
12 -- 04
RB 40VA
1323-582 NOZZLE ASS’Y (A) 1 INCLUD. 2, 3
2NOZZLE 1
3323-583 HOLDER (A) 1
4HITACHI LABEL 1
5323-573 CASING COVER 1
6323-572 U-NUT M6 1
7323-571 FAN 1
8323-570 CASING 1
9301-653 TAPPING SCREW (W/FLANGE) D4X20 (BLACK) 6
10 305-507 TAPPING SCREW (W/FLANGE) D5X30 3
11 930-079 WASHER 1
12 931-701 BEARING LOCK 2
13 608-DDW BALL BEARING 608DDW 1
14 982-631 WASHER (A) 2
*15 360-683C ARMATURE 110V 1
*15 360-683E ARMATURE 220V-230V 1
*15 360-683F ARMATURE 240V 1
16 980-864 HEX. HD. TAPPING SCREW D5X40 2
17 930-630 BRUSH TERMINAL 2
*18 340-602K STATOR ASS’Y 110V 1 INCLUD. 17
*18 340-602E STATOR ASS’Y 220V-230V 1 INCLUD. 17
*18 340-602H STATOR ASS’Y 220V-230V 1
INCLUD. 17 FOR GBR, SAF, EUROPE, AUT, SUI
*18 340-602J STATOR ASS’Y 240V 1 INCLUD. 17
19 608-DDW BALL BEARING 608DDW 1
20 323-576 HOUSING ASS’Y 1 INCLUD. 22, 27
21 NAME PLATE 1
22 938-477 HEX. SOCKET SET SCREW M5X8 2
23 324-054 HANDLE COVER 1
24 323-086 SWITCH (1P PILLAR TYPE) 1
25 984-750 TAPPING SCREW (W/FLANGE) D4X16 2
26 960-266 CORD CLIP 1
27 957-571 BRUSH HOLDER 2
28 999-021 CARBON BRUSH (1 PAIR) 2
29 931-266 BRUSH CAP 2
*30 930-039 NOISE SUPPRESSOR 1 EXCEPT FOR SYR, SIN
*31 303-837 CHOKE COIL 2 EXCEPT FOR SYR, SIN
*32 959-141 CONNECTOR 50092 (10 PCS.) 2 EXCEPT FOR SYR, SIN
33 307-217 CORD ARMOR D7.2 1
*34 500-409Z CORD 1 (CORD ARMOR D7.2)
*34 500-447Z CORD 1 (CORD ARMOR D7.2) FOR SYR
*34 500-423Z CORD 1 (CORD ARMOR D7.2) FOR SIN
*34 500-439Z CORD 1 (CORD ARMOR D7.2) FOR NZL, AUS
*34 500-435Z CORD 1 (CORD ARMOR D7.2) FOR GBR (110V)
*34 500-237Z CORD 1 (CORD ARMOR D7.2) FOR GBR (230V)
35 304-035 TAPPING SCREW (W/FLANGE) D4X25 (BLACK) 4