MERIT
DELUXE
1500
115V
Page 4 of 12
MAINTENANCE
INSTRUCTIONS
FOR
THE
SERIES OF
FLOOR
SCRUBBERS
Remove machine power cord from
before making any adjustments
or
to
the machine. Only
personnel
are
to
repairs.
NOTE:
In the
all
letter
designations,
be
shown in the
upcoming graphical examples in this guide.
MOTOR
The
polisher
is
equipped with a rectified DC permanent
magnet motor. An external mounted warning light will
Up" when the carbon motor brushes become
worn
and replacement is required.
I
.
2.
A
Remove
(4)
screws holding motor cover.
Remove rear transport wheels and axle.
Remove
(2) screws holding motor shroud. (Located
front and rear)
Remove inspection band from motor.
Use a hook to pull brush springs out of the way.
Pull
old brushes out of the holder. Install the new brushes
making sure the brush lead does not prevent free
movement of the brushes in the holder.
Make sure the brush with the
YELLOW sensor
lead
is installed in the
holder
the old brush.
-
HANDLE PIVOT BRACKETS
I.
Wheels
-
Remove the center screw holding wheel
axle When reinstalling wheels add a small amount of
silicone lubricant to axle.
Brackets
-
Remove
screw. Remove
(4)
socket head screws holding bracket to main
frame.
repair as needed.
2.
PAD DRIVER PULLEY
I.
Remove wheels every 2 to
3
months. Clean axle an apply
a small amount of silicone lubricant. Reinstall wheels.
Remove
(4)
bolts holding pulley to main
PULLEY
7.
Remove snap ring from shaft.
Use arbor press or
hammer with rod and tube to remove bearings.
Replace bearings as needed.
NOTE:
in
pulley
use
a propane
apply
a
amount of heat to
boss.
DRIVE
PAD
2
Remove
holding pad
plate.@
(8)
screws holding ped to pulley@
Install new pad as needed.
BELT
7.
Remove drive pad.
2.
Remove
(4)
screws holding brush shroud
and
(4)
screws holding rear belt cover.
DAILY
(At the end of each working day):
7.
Inspect power cord for wear.
To
prevent
shock replace cords with frayed or cracked insulation
immediately.
Place machine in the storage position.
Check pad condition. Change
if
soiled
or
torn.
3.
PADS
Only standard
1/2
inch thick pads suitable for low
speed
burnishing are recommended.
PAD DRIVER
INSTALIATION:
1.
2.
Lay machine back on the ground, exposing the
underside.
Place pad driver on the motor lug and rotate clockwise until
To
remove, turn Counter-clockwise.
PAD
Ensure Pad
is
Centered on Pad Driver. Pull
Padtoedgeof Pad Driver
in
several
directions
to
check for proper engagement.
1
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