Table of Contents
Advertisement
Quick Links
PRODUCT NAME
Hitachi Wall Chaser
Models
180 mm (7")
MARKETING OBJECTIVE
The Models CM 7MR, CM 7MRU and CM 7MC are new wall chasers developed based on disc grinder
Models G 23SR, G 23SRU and G 23SC3, respectively, and have main bodies common to those base models.
Consequently, these new wall chasers also have main features common to the base models. Moreover, the
Models CM 7MR, CM 7MRU and CM 7MC are each equipped with a dust collection cover (for the diamond
wheels).
APPLICATIONS
Cutting slits in concrete, cement, bricks or tiles. Slits can then be chipped with a separate tool to form grooves
•
for laying plumbing piping or trunking cable.
SELLING POINTS
[ NEW FEATURES ]
Sturdy and highly-attractive aluminum die-cast
dust cover.
Largest cutting width in the class.
* In addition to the features above, the Models CM
7MR, CM 7MRU and CM 7MC have features (selling
points) common to base Models G 23SR, G 23SRU
and G 23SC3, respectively.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR
IMPROVEMENT.
CM 7MR
CM 7MRU
CM 7MC
LIST Nos.
CM 7MR
CM 7MRU : E722
CM 7MC
Jun. 2009
International Sales Division
: E721
: E723
C
Advertisement
Table of Contents
Related Manuals for Hitachi CM 7MR
Summary of Contents for Hitachi CM 7MR
- Page 1 Models G 23SR, G 23SRU and G 23SC3, respectively, and have main bodies common to those base models. Consequently, these new wall chasers also have main features common to the base models. Moreover, the Models CM 7MR, CM 7MRU and CM 7MC are each equipped with a dust collection cover (for the diamond wheels).
- Page 2 REMARK: For more information about HANDLING INSTRUCTIONS, visit our website at: http://www.hitachi-koki.com/manual_view_export/ Throughout this TECHNICAL DATA AND SERVICE MANUAL, a symbol(s) is(are) used in the place of company name(s) and model name(s) of our competitor(s). The symbol(s) utilized here is(are) as follows:...
-
Page 3: Table Of Contents
PRECAUTIONS ON SALES PROMOTION ------------------------------------------------------------------------------ 4 1. Safety Instructions ------------------------------------------------------------------------------------------------------------------------ REPAIR GUIDE------------------------------------------------------------------------------------------------------------------ 5 1. Precautions on Disassembly and Reassembly ----------------------------------------------------------- 5 STANDARD REPAIR TIME (UNIT) SCHEDULES---------------------------------------------------------------------- 7 Assembly Diagrams for CM 7MR Assembly Diagrams for CM 7MRU Assembly Diagrams for CM 7MC... -
Page 4: Selling Point Descriptions
SELLING POINT DESCRIPTIONS In addition to the following features, the Models CM 7MR, CM 7MRU and CM 7MC have features (selling points) common to base Models G 23SR, G 23SRU and G 23SC3, respectively. Refer to the TECHNICAL DATA AND SERVICE MANUAL of each base model for details of the selling points. -
Page 5: Specifications
SPECIFICATIONS 1. Specifications Model CM 7MR CM 7MRU CM 7MU Base Model G 23SR G 23MRU G 23MC Max. cutting depth 35 mm (1-3/8”) Max. cutting width 45 mm (1-49/64”) External 180 mm (7”) Diamond dia. wheel Thickness 1.5 to 2.0 mm (1/16” to 5/64”) (Thickness of installation part) size Internal dia. -
Page 6: Comparison With Similar Product
COMPARISON WITH SIMILAR PRODUCT 1. Comparison of Specifications (Superior specifications: Maker HITACHI Model name CM 7MR CM 7MRU CM 7MU Cutter dia. 180 mm (7”) 230 mm (9”) Power input 2,000 W 2,300 W 2,400 W No-load rotation speed 6,600/min. -
Page 7: Precautions On Sales Promotion
1. Safety Instructions In the interest of promoting the safest and most efficient use of the Models CM 7MR, CM 7MRU and CM 7MC Wall Chasers by all of our customers, it is very important when concluding a sale that the salesperson carefully ensure that the buyer seriously recognizes the importance of the Handling Instructions, and fully understands the precautions listed on the Nameplate. -
Page 8: Repair Guide
Models CM 7MR, CM 7MRU and CM 7MC. The main bodies of the Models CM 7MR, CM 7MRU and CM 7MC are common to those of base Models G 23SR, G 23SRU and G 23SC3, respectively. Therefore, only the disassembly and reassembly procedures of the newly designed dust collection cover unit are described below. - Page 9 (11) Loosen the four Hex. Socket HD. Bolts M4 x 20 [86] and then remove Dust Cover (B) [87] from Dust Cover (A) [77]. (12) Loosen the four Hex. Socket HD. Bolts M5 x 12 [58]. Remove the Gear Box Bracket [57] from Dust Cover (B) [87] and then remove the Gear Box Cramp [83].
-
Page 10: Standard Repair Time (Unit) Schedules
STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL Fixed Work Flow CM 7MR CM 7MRU CM 7MC Dust Cover Ass’y Housing Ass’y Stator Ass’y General assembly Gear Cover Pinion Ass’y Seal Washer Felt Packing Ball Bearing (6301VV) Rubber Ring (B) Bearing... - Page 11 LIST NO. E721 WALL CHASER 2009 6 22 Model CM 7MR (E1) CM7MR TU01684...
- Page 12 PARTS CM 7MR ITEM CODE NO. DESCRIPTION REMARKS USED 994-192 HEX. SOCKET HD. BOLT (W/FLANGE) M5 X 16 320-227 PACKING GLAND 320-228 SEAL PLATE 320-234 SPINDLE 990-852 FELT PACKING (B) 630-2VV BALL BEARING 6302VVCMPS2L 320-229 BEARING COVER (B) GEAR 939-542 RETAINING RING FOR D12 SHAFT (10 PCS.)
- Page 13 PARTS CM 7MR ITEM CODE NO. DESCRIPTION REMARKS USED 960-266 CORD CLIP 331-336 CORD CLIP FOR GBR (110V) 325-642 HANDLE (A) 305-812 TAPPING SCREW (W/FLANGE) D4 X 16 (BLACK) 981-373 TUBE (D) FOR CORD 940-778 CORD ARMOR D10.7 331-335 CORD ARMOR D11.2...
- Page 14 STANDARD ACCESSORIES CM 7MR ITEM CODE NO. DESCRIPTION REMARKS USED 331-036 WRENCH 22MM - 4 - Printed in Japan 06 - 09 *ALTERNATIVE PARTS (090622N)
- Page 15 LIST NO. E722 WALL CHASER 2009 6 22 Model CM 7MRU (E1) CM7MRU TU01686...
- Page 16 321-536 BEARING BUSHING 325-640 HOUSING ASS'Y INCLUD. 42 NAME PLATE 938-477 HEX. SOCKET SET SCREW M5 X 8 HITACHI LABEL (A) 940-540 BRUSH CAP 999-044 CARBON BRUSH (1 PAIR) 999-074 CARBON BRUSH (AUTO STOP TYPE) (1 PAIR) 980-487 BRUSH HOLDER...
- Page 17 HANDLE PLUG 331-026 GEAR BOX BRACKET 331-048 HEX. SOCKET HD. BOLT M5 X 12 331-059 HANDLE RATCHET 331-043 BOLT WASHER D12 331-044 BOLT M12 HITACHI LABEL 331-028 ROLLER 331-031 ROLLER SPACER (30) 331-029 ROLLER SHAFT 331-052 KNOB BOLT 331-062 LOCK WASHER...
- Page 18 STANDARD ACCESSORIES CM 7MRU ITEM CODE NO. DESCRIPTION REMARKS USED 331-036 WRENCH 22MM - 4 - Printed in Japan 06 - 09 *ALTERNATIVE PARTS (090622N)
- Page 19 LIST NO. E723 WALL CHASER 2009 8 5 Model CM 7MC (E1) CM7MC TU01685...
- Page 20 FOR GBR 320-230 HANDLE (A) 320-216 DUST SEAL 600-0VV BALL BEARING 6000VVCMPS2L 321-536 BEARING BUSHING HITACHI LABEL (A) 322-323 BRUSH HOLDER SET 320-231 HANDLE (B) 320-238 SWITCH (2P PILLAR TYPE) W/SAFETY LOCK 984-750 TAPPING SCREW (W/FLANGE) D4 X 16 984-750...
- Page 21 HANDLE PLUG 331-026 GEAR BOX BRACKET 331-048 HEX. SOCKET HD. BOLT M5 X 12 331-059 HANDLE RATCHET 331-043 BOLT WASHER D12 331-044 BOLT M12 HITACHI LABEL 331-028 ROLLER 331-031 ROLLER SPACER (30) 331-029 ROLLER SHAFT 331-052 KNOB BOLT 331-062 LOCK WASHER...
- Page 22 STANDARD ACCESSORIES CM 7MC ITEM CODE NO. DESCRIPTION REMARKS USED 331-036 WRENCH 22MM - 4 - Printed in Japan 08 - 09 *ALTERNATIVE PARTS (090805N)