Hitachi DH38MS Handbuch
PRODUCT NAME
Hitachi Rotary Hammer
Model DH 38MS
The new Model DH 38MS is capable of drilling holes of up to 38 mm in diameter into concrete and is compatible
with SDS max shank tools.
LIST No.
DH 38MS: H402
May 2009
xDrilling holes in concrete and drilling anchor holes.
xDemolishing and chiseling concrete. Edging, gravel road digging, compacting and tamping, grooving, cutting,
stripping and roughing, etc.
MARKETING OBJECTIVE
APPLICATIONS
SELLING POINTS
International Sales Division
D
<New features>
Fastest drilling speed and best chiseling
performance in its class
Functional and robust design
<Same features as the conventional models>
Easy-to-operate with a double-molded side handle
Variable lock mechanism for easy working-angle
adjustment of chisels, etc.
Needle-pin type of slip clutch
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
REMARKS:
For more information about HANDLING INSTRUCTIONS, visit our website at:
http://www.hitachi-koki.com/manual_view_export/
This TECHNICAL DATA AND SERVICE MANUAL utilizes a symbol to denote the company name and
model name of our competitor. The symbol utilized herein is as follows:
Competitors
Symbol utilized Company name Model name
B BOSCH GBH5-38D
CONTENTS
Page
SELLING POINTS ------------------------------------------------------------------------------------------------------------- 1
SPECIFICATIONS ------------------------------------------------------------------------------------------------------------- 3
1. Specifications----------------------------------------------------------------------------------------------------- 3
2. Optional Accessories ------------------------------------------------------------------------------------------- 4
COMPARISON WITH SIMILAR PRODUCTS--------------------------------------------------------------------------- 8
1. Comparison of Specifications------------------------------------------------------------------------------------------------------- 8
PRECAUTIONS ON SALES PROMOTION ----------------------------------------------------------------------------- 9
1. Safety Instructions ---------------------------------------------------------------------------------------------- 9
REFERENCE MATERIALS-------------------------------------------------------------------------------------------------10
REPAIR GUIDE---------------------------------------------------------------------------------------------------------------- 11
1. Precautions on Disassembly and Reassembly --------------------------------------------------------- 11
STANDARD REPAIR TIME (UNIT) SCHEDULES--------------------------------------------------------------------17
Assembly Diagram for DH 38MS
-1-
Comparison of chiseling performance
Chiseling amount (kg/30 min.)
0
50
100
150
200
250
300
16 18 20 22 24 26 28 30 32 34 36 38
Drill Bit Dia. (mm)
Drilling Speed (mm/min)
HITACHI DH38MS
B
HITACHI DH40MR
62
44
46
0 20406080100
Fastest drilling speed and best chiseling performance in its class*
We conducted digital engineering to determine the optimal impact specifications. As a result, the Models
DH 38MS offers the fastest drilling speed and best chiseling performance in its class.
*Based on our own research
Comparison of drilling speed
Chiseling performance varies considerably depending on the work conditions.
Use the factory test results for comparison purposes only.
HITACHI
DH 38MS
HITACHI
DH 40MR
B
<Test conditions>
Direction: Downward drilling
Pushing force: 98 N (10 kgf)
Test material: Concrete panel with a compression strength of 2,352 N/cm2(240 kgf/cm2)
SELLING POINTS
-2-
Refer to the Technical Data and Service Manual of the current Model DH 40MR for the following.
Easy-to-operate and double-molded side handle
The base material of the side handle is plastic resin. The plastic resin base is integrally molded with soft
resin to realize a double-layer structure. As a result, the grip of the soft side handle affords easier operation.
Change lever for switching between “Rotation + Hammering,”
“Neutral” and “Hammering only”
The Models DH 38MS provides three functions; the
“rotation + hammering” function (for drilling), “neutral”
function (for positioning the tool tip) and “hammering
only” function (for chiseling and chipping).
These function modes can be easily switched by
using the change lever. The tool angle can be easily
changed in 12 steps by turning the grip with the
change lever positioned at “Neutral.”
Needle-pin type of slip clutch
The Model DH 38MS is equipped with a needle-pin type of slip clutch for higher slip torque accuracy and
enhanced safety (same as the Model DH 40MR).
DH 40MR / List No. E467
-3-
1. Specifications
Model
-
DH 38MS
Drill bit (max. dia.): 38 (1-31/64”)
Capacity mm Core bit (max. dia.): 105 (4-9/64”)
Voltage V 110 120 220 230 240
Current A 9.1 8.4 4.6 4.4 4.2
Power input W 950
Enclosure
-
Materials : Aluminum alloy die casting
(Cylinder case, crank case, gear cover)
Nylonresin
(Handle, handle cover, tail cover, crank cover)
Polycarbonateresin
(Housing)
Paint : Green, black, silver metallic green
Switch
-
Trigger switch
Type of handles
-
D-shaped handle and side handle
No load rotation rate min-1 620
Full load impact rate min-1 2,800
Packaging
-
Plastic case
Product*6.4 (14.1)
Weight Packed kg (lbs.) 9.5 (20.9)
Standard accessories
-
·
Plastic case ------------------------------------------------------ 1
·
Side handle ------------------------------------------------------ 1
*:Excluding cord and side handle
SPECIFICATIONS
-4-
2. Optional Accessories
(1) Drilling work for through-hole drilling (rotation + impact)
D mm L mm Code No. D mm L mm Code No.
16 (5/8”) 340 (13-3/8”) 313448 16 (5/8”) 540 (21-1/4”) 313456
19 (3/4”) 340 (13-3/8”) 313449 19 (3/4”) 540 (21-1/4”) 313457
22 (7/8”) 320 (12-5/8”) 313450 22 (7/8”) 520 (20-15/32”) 313458
25 (1”) 320 (12-5/8”) 313451 25 (1”) 520 (20-15/32”) 313459
28 (1-1/8”) 370 (14-9/16”) 313452 28 (1-1/8”) 570 (22-7/16”) 313460
32 (1-1/4”) 370 (14-9/16”) 313453 32 (1-1/4”) 570 (22-7/16”) 313461
38 (1-1/2”) 370 (14-9/16”) 313454 38 (1-1/2”) 570 (22-7/16”) 313462
(2) Drilling work for anchor holes (rotation + hammering)
Drill bit (taper shank)
(1) Drill bit (taper shank) (2) Taper shank adapter (3) Cotter
D mm L mm Code No. Taper dimension Code No. Code No.
11.0 (7/16”) 100 (4”) 944460
12.3 (15/32”) 110 (4-5/16”) 944461
14.3 (9/16”) 110 (4-5/16”) 944462 Morse taper No. 1 313464 944477
14.5 (9/16”) 110 (4-5/16”) 944500
17.5 (11/16”) 120 (4-3/4”) 944463
SDS-plus shank bit adapter
Code No.
313465
Drill bit (SDS max shank)
D
L
(1) Drill bit (taper shank) (2) Taper shank adapter
(SDSmaxshank)
(3) Cotter
D
L
+
+
Drill bit (SDS-plus shank) SDS-plus shank
bit adapter
(SDS max shank)
-5-
(3) Boring work for large-diameter holes (rotation + hammering)
(2) Core bit (1) Center pin (3) Core bit shank (SDS max)
D mm Code No. Guide plate l mm Code No. L mm Code No.
25 (1”) 955994
-
29 (1-1/8”) 955995
---
32 (1-1/4”) 955996
35 (1-3/8”) 955998
300 (11-13/16”) 313466
38 (1-1/2”) 956000
147 (5-25/32”) 956009
45 (1-3/4”) 955154
54 (2-1/8”) 955155
64 (2-1/2”) 956002
79 (3-1/8”) 955157
94 (3-11/16”) 956004
105 (4-1/8”) 955159
133 (5-1/4”) 955165 300 (11-13/16”) 313467
(4) Hole drilling
13-mm drill chuck (13VLD-D) with chuck wrench Chuck adapter
Code No. Code No.
321813 313468
(5) Chemical anchor holes drilling work (rotation + hammering)
Socket square size mm Code No.
12.7 (1/2”) 313469
19.0 (3/4”) 313470
lL
Chuck adapter
(SDS max shank)
(1) Center pin (2) Core bit
+++
(Guide plate)
+
+
D
13mm drill chuck
(13VLD-D)
(3) Core bit shank
(SDS max shank)
Chuck wrench
(Socket) Chemical anchor adapter
(SDS max shank)
-6-
(6) Demolishing work (hammering)
Bull point (SDS max shank)
L mm Code No.
280 (11”) 313471
450 (15-3/4”) 313472
(7) Groove digging and edging (hammering)
Cold chisel (SDS max shank)
L mm Code No.
280 (11”) 313473
450 (15-3/4”) 313474
(8) Cutting and stripping (cutting asphalt etc.) (hammering)
Cutter (SDS max shank)
L mm Width mm Code No.
400 (15-3/4”) 50 (2”) 313475
(9) Scooping work (hammering)
Scoop (SDS max shank)
L mm Code No.
400 (15-3/4”) 313476
(10) Surface roughing work (hammering)
Code No. L mm Code No.
313477 220 (8-21/32”) 313479
L
L
L
L
L
+
Bushing tool Shank (SDS max shank)
-7-
(11) Tamping work (hammering)
L mm Code No. l mm Code No.
150 (5-29/32”) 313478 220 (8-21/32”) 313479
(12) Syringe (for chip removal)
Syringe Code No.
Bellows 318085
Blow-out bulb 320859
(13) Grease
Code No. Code No.
980927 981840
NOTE:
The code numbers listed above are subject to change without notice.
Please refer to periodic Technical News Bulletins for updates
l
L
500
g(
1.1 lbs.
)
can 30 g (1 oz) tube
+
Rammer Shank (SDS max shank)
Bellows Blow-out bulb
Andere Handbücher für DH38MS
7
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