Alpha Tool.Com.HK Limited Polisher WDP120 User Manual

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	 Failure	to	do	so	may	cause	an	injury	due	to	high	impact	at	initial	start	up.
4.	 Stop	using	the	polisher	immediately	when	noticing	any	malfunctions	or	any			suspicious	abnormal	noises.
	 Turn	 the	power	 switch	 OFF	and	contact	 your	dealer	 or	Alpha	 Professional	 Tools
®
for	repair.
5.	 Handle	the	polisher	with	care.
	 If	you	accidentally	drop	the	polisher,	do	not	use	it	until	checking	that	it	is	not	 cracked,	deformed,	or	damaged	in	any	way.
6.	 Do	not	pour	water	or	any	liquids	onto	or	inside	the...

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GUARD INSTALLATION
Figure-4Figure-5 

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ATTACHING RUBBER CAP TO WDP-120
ATTACHING A BACKER PAD TO WDP-120
Rubber	Cap
Rubber	Cap
WET
DRY
Figure-6
Figure-7 

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WDP-120 WET OPERATION
WDP-120 DRY OPERATION
Rubber	Cap
Insert	the	rubber	cap	to	the	dust	gage	of	the	main	cover.
Rubber	Cap
Rubber	Hose	Adapter
Stainless	 Steel	
Hose	Band
Flexible	Connector	Hose
(optional	/	sold	separately) Figure-8
Figure-9 

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POLISH RIGHT UP TO THE WALL
Change	the	front	cover	to	the	sub	cover	
Loosen	 the	screws	 on	both	 sides	 of	the 	
C-handle	 and	move	 it	upward	 as	shown 	
in	Figure	11.
STEP 1
STEP 2
STEP 3
Figure-10
Figure-11
Figure-12 

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WDP-120	WET/DRY	CONCRETE	POLISHER	OPERATION
  CAUTION!
Always	be	sure	 that	the	tool	 is	switched	 off	and	 unplugged	 before	adjusting	 or	
checking	function	on	tool.
 MAIN	CONNECTION
Connect	only	to	single-phase	AC	current	supply	and	only	to	the	main	voltage	speci -
fied	on	the	rating	plate.	
 SWITCHING	ON	AND	OFF
  CAUTION!
Before 	plugging 	in 	the 	tool, 	always 	check 	the 	working 	voltage 	be 	sure 	that 	the 	voltage 	
specified	is	on	the	name	plate.		 Before	plugging	in	the	tool,	always...

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 GROUND	FAULT	CIRCUIT	INTERRUPTER	(GFCI)
	A	Ground	Fault	Circuit	Interrupter	is	built	in-line	with	the	power	supply	cord	to	
protect	the	operator	from	electric	shock.
1.	 GFCI	Information. –	 Alpha
®	Wet 	Polisher	is	provided	with	an	in-line	GFCI	as	a	standard	acces -
sory	for	your	safety,	and	to	prevent	possible	electric	shocks.		 It	is	strongly	
advised	to	test	the	GFCI	on	a	regular	basis.
  DANGER!
Never	attach	a	damaged	extension	cord	to	the	polisher.
	 NOTE:		Use	the	appropriate	extension	cord,...

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 TESTING	IN-LINE	GFCI	UNIT	(Before	Each	Use	Of	The	Polisher)
1.	Connect	polisher	to	a	single	phase	AC	power	supply.
2.	Verify	that	the	indicator	lens	shows	red	(indicating	output	voltage).
3.	Press	the	test	button	to	verify	that	the	red	in	the	indicator	lens	disappears.
4.	Press	the	reset	button	to	verify	the	red	indicator	is	visible.
5.	The	GFCI	is	now	ready	for	use.
  WARNING!
DO	NOT	USE	IF	ABOVE	TEST	FAILS!
 VARIABLE	SPEED	ADJUSTMENT
This	polisher	is	equipped	with	a	Variable	Speed	control	
that...

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 SPEED	POT	FEEDBACK	SENSOR
This	polisher	is	equipped	with	a	Closed	Loop	Feedback	sensor	that	is	attached	to	
the	speed	pot.		When	a	load	is	applied	to	the	tool,	the	sensor	will	re-adjust	the	RPM	
to	maintain	a	constant	speed.
 WATER	CONTROL	VA LV E
  CAUTION!
Adjust	the	water 	flow	 to	wet	 the	stone	 and	remove	 waste,	excessive	 spray	and	mist	 will	
get	 inside	 the	tool	 and	cause	 premature	 failure	of	the	 tool	 and/or	 cause	the	GFCI	 to	trip.
This	polisher	is	equipped	with	a	center	water-feed...

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 WATER-FEED	ATTACHMENT
Attach	the	polisher	water-line	fitting	to	any	garden	hose	connection.
OPERATION
  WARNING!
To	reduce	the	risk	of	electric	shock,	check	the	tool’s	water	supply	system	to	ensure	
there	 is	no	 damage	 to	the	 seals	 or	hoses.	A	 damaged	 water	supply	 system	 may	result 	
in	abnormal	water	flow	to	the	tool	which	could	be	dangerous.
  CAUTION!
Always	wear	safety	goggles	or	a	face	shield	during	operation.	Never	switch	on	the	
tool	 when	 it	is	 in	 contact	 with	the	workpiece,	 it...