Assembly; Operation; Eyeshield Adjustment; Tool Rest Adjustment - Ryobi HBGL650 Owner's Operation Manual

Fix tool rests with screws and washers
supplied. Keep tool rests Perpendicular to
grinding wheel and sanding assembly.
Assemble eyeshield and spark deflector
by using bolts, washers and knurled nuts
supplied loose.
Install eyeshield assembly to wheel guard.

EYESHIELD ADJUSTMENT

The Opti-View eyeshield allows users to
see operation more clearly and precisely.
Eyeshield can be adjusted up and down.

TOOL REST ADJUSTMENT

Tool rests are adjustable to maintain the
correct distance from grinding wheel of
1.6mm.
WARNING: Before every use, carefully
inspect the grinding wheel for any cracks
or chips and if any defects are found,
immediately replace the grinding wheel with
a new Ryobi grinding wheel. You should be
aware a defective grinding wheel can and do
explode causing serious injury.
CHANGING THE GRINDING WHEEL
To replace worn grinding wheel, the necessary
steps are listed below:
Disconnect the power supply.
Remove the three screws and nuts holding
the outside wheel guard (1). (Fig. 2)
Hold grinding wheel (1) firmly. Remove the
nut (2) and flange (3) on the shaft by using
proper tool.(Fig. 3)
Take off used wheel and replace with a new
one.
Assemble the flange, nut and outside cover
in reverse order. To ensure good balance,
make sure the surface between the grinding
wheel and the flanges are smooth.
Secure the three screws and nuts holding the
outside wheel guard.
Stand to the side of the machine. Switch on

ASSEMBLY

Remove top wheel cover bolt. washer and
nut and insert spark deflector. Replace bolt,
washer and nut. Adjust to desired working
position and tighten firmly.
NOTE: The height and angle of the eyeshield
can be adjusted up and down to the user's
requirement.

OPERATION

the machine and let it run at full speed with no
load for one minute to check the wheel before
using it under load.
Note: Never sharpen or grind anything made of
aluminium, brass or copper.
CHANGING THE SANDING BELT
To replace worn sanding belt, remove guard
cover (Fig. 4)
Turn the belt Tensioning Lock Knob (1)
anticlockwise which will loosen the tension
on the belt enabling removal of worn sanding
belt (2). (Fig. 5)
Insert new sanding belt (2) on belt drive
ensuring the direction of rotation printed
on the belt is pointing in the correct upward
position at the rear side and turn the belt
tensioning lock knob (1) clockwise to tighten
and adjust sanding belt.(Fig. 6)
TRACKING THE BELT
Ensure the belt is positioned on the centre of
the two rollers, turning the Belt Tracking Knob
(1) in a clockwise direction will move the belt
to the left, turning the Belt Tracking Knob (1)
in an anticlockwise direction will move the belt
to the right. (Fig.7)
NOTE: Extreme caution should be taken not to
let hands in contact with the belt when Bench
Grinder Linisher is in operation. With the guard
removed, switch on the Bench Grinder Linisher
and adjust the Belt Tracking Knob (1) until the
belt is positioned on the centre of the two rollers,
and reattach the guard (Fig. 7).
NOTE: After initial use the belt may stretch and
re-adjustment of the belt will be required.
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