NAKAYA NK-125MAl User manual

Model Code NK-125MA
Suitable Blade 115-125mm T1.5-2.2mm Diamond Blades.
Cut Depth 5-25mm (125mm Blade) 5-20mm (115mm Blade)
Weight 680g (Main Unit with adaptor system)
Work material Concrete, Block, and Tile.
Suitable Makita / BOSCH / Dewalt / Milwaukee / Metabo / HiKOKI / FLEX 115-125mm class small angle grinder.
Angle Grinders
Dust Extractor for 115-125mm Diamond Blade
INSTRUCTION MANUAL
WARNING
SPECIFICATIONS
N300289
INSTALLATION
-1-
・DO NOT use NK-125MA with the angle grinder which can NOT be fitted correctly as instructed in this manual.
・NK-125MA is only for cutting concrete, block, and tile. DO NOT use for cutting steel or other materials.
・NK-125MA must be used with the Vacuum suitable for the concrete dust.
・NK-125MA is only for 115-125mm Diamond cutting blades. DO NOT use with abrasive wheels or tipped saw blades.
・Always check NK-125MA for damage, cracks, or deformation before use.
・DO NOT use NK-125MA if it is cracked, damaged or bent as this could lead to injury.
・Be sure to wear the protective goggles, dust mask, protective foot wear, earplugs and other protective equipment when working.
・Keep NK-125MA away from gasoline, solvents, and paraffin.
・Ensure the cutting material securely clamped before cutting.
[a] Main Unit / [b] Adapting Unit / [c] Bolt / [d] Wrench / [e] Offset Plate / [ f ] Milwaukee Plate
[g] Base Flange / [h] Spacer T9.5 / [ i ] Spacer T7 / [k] Spacer T6 / [m] Joint / [n] C-mode set / [p] Screw set
Explanation
of the pictograms.
Read the operating
instructions before use.
Wear
eye protection.
Wear
breathing protection.
Wear
ear protection.
Wear
protective gloves.
General
Warning.
OVER VIEW
NK-125MA
Guard
Grinder
※Based on the web
as of 2022 Jan.
Metabo
WEPBA17-125 / WEBA17-125/ WEA17-125/
WEVA15-125/ WA13-125 / WEA11-125series type
HiKOKI
G13SB4, G13SE3,G13BAWQZ,G13BY, G13YG type
Sub Plate
is required
separately.
WEPBA17-125/ WEBA17-125 / WEA17-125 /
WEVA15-125/ WA13-125 / WEA11-125series type
Sub Plate
Sold Separately
G13SB4, G13SE3,G13BAWQZ,G13BY, G13YG
type
Large Flange
is required separately for
the "Large Flange" models
on the right.
Makita / BOSCH : X-LOCK series type
Dewalt : D28137/ DCG405FN type
Milwaukee : HD18 series type
HiKOKI : G13SE2/G13YC2/G13VA series type
[a]
[b]
[c]
[d]
[g]
[h]
[ i ]
[k]
[e]
[n]
[p]
[m]
Separate [a] and [b].
can NOT
be fitted.
[ f ]
Check the
Installation Guide.
Check the instruction
video at this QR code.
[p]
[p]
series, GA5050R type
1. Detach the Guard from the grinder.
DWE4056 / 4057, DCG405P2 / 406N /
409NT / 416N series type
WPB18LTXBL125 / WB18LTXBL125 /
WP18LTX125/ W18LTX125 / WEV1500-
125 / WE1500-125series type
DCG405P2 /
406N / 409NT /
416N series
type only.
Above grinder needs its lever and related components detached.

2. Some grinders need preparation for [b] Adapting Unit.
#7
#15
[n]
[n]
Lower Bracket
(Factory default)
[b]
[d]
series, GA5050R type
L1506VR, L9-11 125, LE9-11 125, L12-11 125,
L13-10 125-EC, LE14-7 125 INOX, L15-11 125, LE15-11 125, L3406VRG,
LB17-11 125, L1400 125 type
Upper Bracket
3. Switch the Lower Brackets position when the gearcase size D of the angle grinder is larger than 47mm.
D<47
mm
D>47
mm
・Take Support Bar off from [b] Adapting Unit.
・Take Clumping system off from [b] Adapting Unit.
Support
Bar
#15
M18FHSAG125 series, AGV13-125XSPDEB, M18FSAGV125 series,
AGV15-125, AGV13-125 series, AG13-125XSPD, AGV12-125 type
#10 x 5pcs.
#15 x 2pcs.
HD28AG-125, AGV17-125 series,
AG16-125 series, AG8-125, AG9-125 type
(OLD type) L3410FR, L3410VR type
[for D<47mm grinder]
(Factory default)
[for D>47
mm
grinder]
・
Change the Upper Bracket direction on [b] Adapting Unit
by operating [d] Wrench.
・Add [n] C-mode Set into the Lower Brackets on [b] Adapting Unit.
4. Place [b] Adapting Unit on gearcase of the
grinder.
-2-
[e] Offset Plate or [ f ] Milwaukee Plate must be set on gearcase for some grinders.
[b]
Gearcase
[e]
series,
D28134 / DCG412N type
L1400 125 type
M18FHSAG125 series, AGV13-
125XSPDEB, M18FSAGV125
series, AGV15-125, AGV13-125
series, AG13-125XSPD,
AGV12-125, AGV10-125,
AG10-125EK, AG800-125EK
type
9558 / 9565 series,
GA5050R type
Refer to the
Installation Guide.
[ f ]
[b]
[b]
[b]

5. Bring the Support Bar into contact with the grinder,
push the bottom line of [b] Adapting Unit toward the
grinder, then hold it from the top.
For some grinders, match the shape of
grinder's gearcase with the center hole of [b]
Adapting Unit then hold it from the top.
1
2
3
[b]
Support Bar
2
1
[b]
M18FHSAG125 series, AGV13-
125XSPDEB, M18FSAGV125 series,
AGV15-125, AGV13-125 series,
AG13-125XSPD, AGV12-125,
AGV10-125, AG10-125EK, AG800-
125EK type
HD28AG-125, AGV17-125 series,
AG16-125 series, AG8-125, AG9-
125 type
L3410FR, L3410VR type
(OLD type)
GA5021 / GA5030 / GA5040 /
GA5041 / DGA511 / DGA515 /
DGA504 / DGA513 / DGA517 series
type
WPB18LTXBL125 /
WB18LTXBL125 / WP18LTX125 /
W18LTX125 / WEV1500-125 /
WE1500-125 / WEV850-125/
WP850-125 / W850-125 / W750-125
series type
6. Tighten the Bolt with [d] Wrench securely.
[d]
Bolt
(OLD type)
HD28AG-125, AGV17-125 series,
AG16-125 series, AG8-125, AG9-125 type
L3410FR, L3410VR type
For some grinders, tighten 3
screws originally used for fixing
the Guard.
7. Set [h] / [ i ] / [k] Spacer, [g] Base Flange or Original Flange,
and Blade into the Spindle then tighten the Lock Nut by Wrench.
Wrench
Blade
Lock Nut
[g] or
Original Flange
[h] / [ i ] / [k]
Spindle
Refer to the
Installation Guide
Shaft
Hook
[b]
[a]
-3-
10. Tighten [c] Bolt with [e] Wrench.
Make sure that the rear end of
[b] Adapting Unit is securely hooked.
[e]
[c]
9. Rotate [a] Main Unit toward
[b] Adapting Unit
with Shaft as axis.
8. Hang the Shaft of [a] Main Unit into the Hook of
[b] Adapting Unit.

-4-
Head Office in Japan
NAKAYA CO.,LTD.
1313-92 Yanagisawa, Sanjo, Niigata, Japan
11. Hold [a] Main Unit and connect the Vacuum Hose into the Duct with [ f ] Joint.
Do NOT hold the grinder when
connecting the Vacuum Hose.
Vacuum Hose
[ f ]
Duct
12. Adjust the position of Guide Ring at Front Roller with that of Blade.
Front Roller
Guide Ring
Blade
13. Attach the Handle into M8 / M10 port.
Handle
M8 port
M10 port
CUTTING
DO NOT lift or move backward the angle grinder as it leads to the scattering of the Dust.
1. Release the Thumb Screw and adjust the
position of Base to the required cut depth.
2. The Scale shows the approximate cut depth
when the Base Line is aligned with the Guide Mark.
Blade rotation
Cutting
Direction
Front Roller
Thumb Screw
Cut Depth
Base
Base Line
Guide Mark
Scale
Eto Naoya
Managing Director
20th-Apr. 2022
[a]
3. Securely hold the angle grinder and handle.
4. Turn on the switch of the vacuum and angle grinder.
5. Place the Front Roller on material, then slowly forward the
angle grinder.