POWER TOOLS
TECHNICAL DATA
AND
SERVICE MANUAL
ROTARY HAMMER
DH 40SR
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
LIST No. E471 Apr. 2003
D
MODEL
DH 40SR
ELECTRIC TOOL PARTS LIST
LIST NO. E471
ROTARY HAMMER
Model DH 40SR
2003 • 4 •25
(E1)
501
502
503
504
505
1
2
3
4
5
6
7
13
14
24
25
26
27
28
29
30
35
36
37
38
37
39
41
42
78
79
80
81
82
83
84
96
97
99
100
103
104
105
106
107
108
101
109
110
111
112
113
102
85
86
87
88
89
98
92
91
93
94
95
90
77
76
75
40
34
31
32
33
15
16
17
18
19
20
21
22
23
8
9
10
11
44
45
46
47
48
57
58
59
60
61
62
63
64
65
66
67
68
69
70
72
73
74
71
49
50
51
52
53
54
55
56
43
12
*
ALTERNATIVE PARTS
--- 2 ---
ITEM
NO.
CODE NO.
DESCRIPTION REMARKS
NO.
USED
PARTS
4 -- 03
DH 40SR
1 990-131 RETAINER 1
2 322-078 DUST COVER 1
3 981-942
SEAL LOCK HEX. SOCKET HD. BOLT M6X25 4
4 991-697 ROLL PIN D4X20 2
5 990-135 RETAINER PIN 2
6 990-134 DAMPER (B) 2
7 990-133 PUSHING BUTTON 1
8 990-132 SET SPRING 1
9 321-844 FRONT COVER (A) 1
10 956-996 O-RING (1AS-60) 1
11 321-843 DAMPER (B) 1
12 321-842 DRIVER HOLDER 1
13 321-841 DRIVER 1
14 321-840 OIL SEAL (B) 1
15 321-839 RETAINING RING FOR D62 HOLE 1
16 948-131 RETAINING RING FOR D35 SHAFT 1
17 600-7DD BALL BEARING 6007DDUAV2S 1
18 321-297 BEARING WASHER 1
19 981-859 URETHANE RING 1
20 321-838 RING HOLDER 1
21 321-837 HAMMER SLEEVE 1
22 313-396 O-RING (C) 1
23 321-833 SECOND HAMMER 1
24 321-836 DAMPER WASHER 1
25 321-835 DAMPER 1
26 321-834 DAMPER HOLDER 1
27 321-856 DAMPER HOLDER (B) 1
28 321-832 DAMPER (C) 1
29 321-831 SLIDE RING 1
30 313-057 NEEDLE PIN D6X6 4
31 321-827 CYLINDER 1
32 321-830 SLIDE SLEEVE (B) 1
33 321-829 SLIDE SLEEVE (A) 1
34 321-828 SPRING (A) 1
35 321-977 SLEEVE (A) 1
36 321-976 STRIKER 1
37 986-104 O-RING 2
38 321-975 CLUTCH 1
39 321-284 PISTON 1
40 980-708 PISTON PIN 1
41 321-285 CONNECTING ROD 1
42 321-296 BEVEL GEAR 1
43 986-940
SEAL LOCK HEX. SOCKET HD. BOLT M6X45
4
44 983-162
SEAL LOCK HEX. SOCKET HD. BOLT M4X12
4
45 HITACHI LABEL 1
46 321-315 CRANK COVER 1
47 HITACHI LABEL 1
48 321-314 RUBBER SEAL 1
49 939-540
RETAINING RING FOR D10 SHAFT (10 PCS.) 1
50 321-275 CRANK SHAFT 1
51 944-109
FEATHER KEY 3X3X8
1
*
ALTERNATIVE PARTS --- 3 ---
ITEM
NO.
CODE NO.
DESCRIPTION REMARKS
NO.
USED
PARTS
4 -- 03
DH 40SR
52 948-391 RETAINING RING FOR D40 HOLE 1
53 620-3DD BALL BEARING 6203DDCMPS2L 1
54 996-363 O-RING (S-40) 1
55 321-274 OIL SEAL (B) 1
56 321-826 CYLINDER CRANK CASE 1
57 321-278 BEVEL PINION 1
58 944-109
FEATHER KEY 3X3X8
1
59 321-279 COLLAR 1
60 313-050 OIL SEAL (A) 1
61 600-2DD BALL BEARING 6002DDCMPS2L 1
62 313-058 WASHER 1
63 313-053 WASHER (A) 1
64 321-281 GEAR HOLDER 1
65 321-282 SPRING (C) 10
66 320-343 NEEDLE 10
67 321-280 SECOND GEAR 1
68 321-283 SPACER 1
69 629-VVM BALL BEARING 629VVC2PS2L 1
70 944-525 BEARING WASHER (C) 1
71 321-277 SLIP CLUTCH ASS’Y 1 INCLUD. 57-59, 61-69
72 321-276 FIRST GEAR 1
73 939-299 NEEDLE BEARING (M661) 1
74 321-319 GEAR COVER 1
75 313-078 SIDE HANDLE 1
76 313-079 HANDLE HOLDER 1
77 313-080 HANDLE BOLT 1
78 971-786 STOPPER ROD 1
79 620-1DD BALL BEARING 6201DDCMPS2L 1
80 302-429 DUST WASHER (B) 1
81 321-640 FAN 1
* 82 360-591U ARMATURE ASS’Y 110V-120V 1 INCLUD. 79-81, 86, 87
* 82 360-591E ARMA TURE ASS’Y 220V-230V 1 INCLUD. 81
83 321-320 FAN GUIDE 1
84 953-174 HEX. HD. TAPPING SCREW D5X55 2
* 85 340-542C STA T OR ASS’Y 110V 1 INCLUD. 96
* 85 340-542E ST A T OR ASS’Y 220V-230V 1 INCLUD. 96
86 982-631 WASHER (A) 1
87 608-VVM BALL BEARING 608VVC2PS2L 1
88 318-721 MAGNET 1
89 321-313
SEAL LOCK HEX. SOCKET HD. BOLT M6X22 2
90 935-829 BRUSH CAP 2
91 999-073 CARBON BRUSH (AUTO STOP TYPE) (1 PAIR) 2
92 971-001 BRUSH HOLDER 2
93 938-477 HEX. SOCKET SET SCREW M5X8 2
94 321-321 TAIL COVER 1
95 877-839
SEAL LOCK HEX. SOCKET HD. BOLT M5X10
2
96 930-703 BRUSH TERMINAL 2
97 321-322 VINYL TUBE 1
98 321-318 HOUSING ASS’Y 1 INCLUD. 92, 93
99 321-858 CASE (B) 1
* 100 321-861 CONTROLLER CIRCUIT 110V 1
*
ALTERNATIVE PARTS
--- 4 --- 4 -- 03
PARTS
ITEM
NO.
CODE NO.
DESCRIPTION REMARKS
NO.
USED
DH 40SR
OPTIONAL ACCESSORIES
ITEM
NO.
CODE NO.
DESCRIPTION REMARKS
NO.
USED
STANDARD ACCESSORIES
ITEM
NO.
CODE NO.
DESCRIPTION REMARKS
NO.
USED
* 100 321-862 CONTROLLER CIRCUIT 230V 1 FOR EUROPE
101 317-113 INTERNAL WIRE 1
102 321-859 HANDLE 1
103 998-485
HEX. SOCKET HD. BOLT (W/FLANGE) M5X14 6
104 313-093 SWITCH (C) (2P SCREW TYPE W/O LOCK) 1
105 321-324 HANDLE COVER 1
106 301-653
TAPPING SCREW (W/FLANGE) D4X20 (BLACK)
2
107 NAME PLATE 1
* 108 980-063 TERMINAL 1 FOR CORD
109 940-778 CORD ARMOR D10.7 1
110 938-307 PILLAR TERMINAL 1
111 960-266 CORD CLIP 1
112 984-750 TAPPING SCREW (W/FLANGE) D4X16 2
* 113 500-239Z CORD 1 (CORD ARMOR D10.7)
* 113 500-390Z CORD 1 (CORD ARMOR D10.7) FOR EUROPE
501 321-325 CASE 1
502 981-840
GREASE (A) FOR HAMMER.HAMMER DRILL (30G)
1
503 943-277 HEX. BAR WRENCH 3MM 1
504 944-458 HEX. BAR WRENCH 4MM 1
505 944-459 HEX. BAR WRENCH 5MM 1
601 985-721
DRILL BIT D16.0 X 280 (HEX. SHANK TYPE)
1
602 985-720
DRILL BIT D16.0 X 400 (HEX. SHANK TYPE)
1
603 985-722
DRILL BIT D16.0 X 505 (HEX. SHANK TYPE)
1
604 991-330
DRILL BIT D16.0 X 550 (HEX. SHANK TYPE)
1
605 991-331
DRILL BIT D18.0 X 550 (HEX. SHANK TYPE)
1
606 985-724
DRILL BIT D19.0 X 280 (HEX. SHANK TYPE)
1
607 985-723
DRILL BIT D19.0 X 400 (HEX. SHANK TYPE)
1
608 985-725
DRILL BIT D19.0 X 505 (HEX. SHANK TYPE)
1
609 991-332
DRILL BIT D19.0 X 550 (HEX. SHANK TYPE)
1
610 991-334
DRILL BIT D20.0 X 505 (HEX. SHANK TYPE)
1
611 991-333
DRILL BIT D20.0 X 550 (HEX. SHANK TYPE)
1
612 985-727
DRILL BIT D22.0 X 280 (HEX. SHANK TYPE)
1
613 985-726
DRILL BIT D22.0 X 400 (HEX. SHANK TYPE)
1
614 985-728
DRILL BIT D22.0 X 505 (HEX. SHANK TYPE)
1
615 991-335
DRILL BIT D22.0 X 550 (HEX. SHANK TYPE)
1
*
ALTERNATIVE PARTS --- 5 ---
ITEM
NO.
CODE NO.
DESCRIPTION REMARKS
NO.
USED
OPTIONAL ACCESSORIES
4 -- 03
DH 40SR
616 985-730
DRILL BIT D25.0 X 280 (HEX. SHANK TYPE)
1
617 985-729
DRILL BIT D25.0 X 400 (HEX. SHANK TYPE)
1
618 985-731
DRILL BIT D25.0 X 505 (HEX. SHANK TYPE)
1
619 991-336
DRILL BIT D25.0 X 550 (HEX. SHANK TYPE)
1
620 985-733
DRILL BIT D28.0 X 280 (HEX. SHANK TYPE)
1
621 985-732
DRILL BIT D28.0 X 400 (HEX. SHANK TYPE)
1
622 985-734
DRILL BIT D28.0 X 505 (HEX. SHANK TYPE)
1
623 991-337
DRILL BIT D28.0 X 550 (HEX. SHANK TYPE)
1
624 991-338
DRILL BIT D30.0 X 550 (HEX. SHANK TYPE)
1
625 985-736
DRILL BIT D32.0 X 280 (HEX. SHANK TYPE)
1
626 985-735
DRILL BIT D32.0 X 400 (HEX. SHANK TYPE)
1
627 985-737
DRILL BIT D32.0 X505 (HEX. SHANK TYPE)
1
628 991-339
DRILL BIT D32.0 X 550 (HEX. SHANK TYPE)
1
629 991-340
DRILL BIT D35.0 X 550 (HEX. SHANK TYPE)
1
630 985-739
DRILL BIT D38.0 X 280 (HEX. SHANK TYPE) 1
631 985-738
DRILL BIT D38.0 X 400 (HEX. SHANK TYPE) 1
632 985-740
DRILL BIT D38.0 X 505 (HEX. SHANK TYPE) 1
633 991-341
DRILL BIT D38.0 X 550 (HEX. SHANK TYPE) 1
634 944-460 TAPER SHANK DRILL BIT D11 X 100 1
635 944-461 TAPER SHANK DRILL BIT D12.3 X 110 1
636 993-038 TAPER SHANK DRILL BIT D12.7 X 110 1
637 944-462 TAPER SHANK DRILL BIT D14.3 X 110 1
638 944-500 TAPER SHANK DRILL BIT D14.5 X 110 1
639 944-463 TAPER SHANK DRILL BIT D17.5 X 120 1
640 944-464 TAPER SHANK DRILL BIT D21.5 X 140 1
641 985-752 TAPER SHANK ADAPTER NO. 1 1 INCLUD. 643
642 985-753 TAPER SHANK ADAPTER NO. 2 1 INCLUD. 643
643 944-477 COTTER 1
644 985-754 A-TAPER SHANK ADAPTER (D11.0-17.5) 1
645 985-755 B-TAPER SHANK ADAPTER (D21.5) 1
646 992-813 K-TAPER SHANK ADAPTER 1
647 985-750 DRILL ADAPTER NO. 1 (D11.0-17.5) 1
648 985-751 DRILL ADAPTER NO. 2 (D21.5) 1
649 955-994 CORE BIT 25MM 1
650 955-995 CORE BIT 29MM 1
651 955-996 CORE BIT 32MM 1 INCLUD. 652
652 955-997 GUIDE PLATE (FOR CORE BIT 32MM) 1
653 955-998 CORE BIT 35MM 1 INCLUD. 654
654 955-999 GUIDE PLATE (FOR CORE BIT 35MM) 1
655 956-000 CORE BIT 38MM 1 INCLUD. 656
656 956-001 GUIDE PLATE (FOR CORE BIT 38MM) 1
657 955-154 CORE BIT 45MM 1 INCLUD. 658
658 955-166 GUIDE PLATE (FOR CORE BIT 45MM) 1
659 955-155 CORE BIT 54MM 1 INCLUD. 660
660 955-167 GUIDE PLATE (FOR CORE BIT 54MM) 1
661 956-002 CORE BIT 64MM 1 INCLUD. 662
662 956-003 GUIDE PLATE (FOR CORE BIT 64MM) 1
663 955-157 CORE BIT 79MM 1 INCLUD. 664
664 955-168 GUIDE PLATE (FOR CORE BIT 79MM) 1
665 956-004 CORE BIT 94MM 1 INCLUD. 666
666 956-005 GUIDE PLATE (FOR CORE BIT 94MM) 1
*
ALTERNATIVE PARTS
--- 6 ---
ITEM
NO.
CODE NO.
DESCRIPTION REMARKS
NO.
USED
4 -- 03
DH 40SR
OPTIONAL ACCESSORIES
667 955-159 CORE BIT 105MM 1 INCLUD. 668
668 955-169 GUIDE PLATE (FOR CORE BIT 105MM) 1
669 956-008 CORE BIT SHANK (B) 300L (FOR D25-35) 1
670 955-163
CORE BIT SHANK (A) 300L (FOR D38-120)
1
671 956-009
CENTER PIN (B) 147L FOR CORE BIT D32-35
1
672 955-165
CENTER PIN (A) 133L FOR CORE BIT D38-150
1
673 992-814 CORE BIT 65MM 1
674 992-815 CORE BIT 80MM 1
675 992-816 CORE BIT 90MM 1
676 992-817 CORE BIT 100MM 1
677 992-818 CORE BIT 105MM 1
678 992-819 CORE BIT SHANK (C) 1
679 903-901 CENTER PIN (C) 1
680 985-756
ANCHOR ADAPTER NO. 20 W1/4” (FOR ROTATION)
1
681 985-757
ANCHOR ADAPTER NO. 25 W5/16” (FOR ROTATION)
1
682 985-758
ANCHOR ADAPTER NO. 30 W3/8” (FOR ROTATION)
1
683 985-759
ANCHOR ADAPTER NO. 40 W1/2” (FOR ROTATION)
1
684 985-760
ANCHOR ADAPTER NO. 50 W5/8” (FOR ROTATION)
1
685 981-929 ANCHOR ADAPTER NO. 30 1
686 981-930 ANCHOR ADAPTER NO. 40 1
687 981-931 ANCHOR ADAPTER NO. 50 1
688 985-761 RATIO SHANK ADAPTER 1
689 944-574 DRIFT KEY 1
690 944-573 TURNING HANDLE 1
691 981-922
BULL POINT 280MM (ROUND SHANK TYPE) 1
692 981-923
BULL POINT 450MM (ROUND SHANK TYPE) 1
693 981-925
COLD CHISEL 280MM (ROUND SHANK TYPE) 1
694 981-926
COLD CHISEL 450MM (ROUND SHANK TYPE) 1
695 981-924
CUTTER W45 X 280L (ROUND SHANK TYPE)
1
696 956-126 SCOOP 405L (ROUND SHANK TYPE) 1
697 955-181 RAMMER 140MM 1
698 955-183 BUSHING TOOL 1
699 955-186
SHANK 250L (FOR RAMMER AND BUSHING TOOL)
1
700 320-859 SYRINGE (BLOW-OUT BULB TYPE) 1
701 318-085 SYRINGE (BELLOWS TYPE) 1
702 308-471
GREASE FOR HAMMER.HAMMER DRILL (70G) 1
703 980-927
GREASE FOR HAMMER.HAMMER DRILL (500G)
1
Printed in Japan
(030425N)
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