Record Power WG250 Instruction Manual download pdf (Page 14)

Original Instruction Manual | WG250 Wet Stone Sharpening System | Version 3.0 | November 201214

8. Assembly - Cont.

Mounting the Honing Wheel

1. Install the honing wheel (A) on the friction drive wheel

(O).

2. Lock in place using the lock knob (N).

The inner face of the honing wheel features three pins

which locate in corresponding holes in the face of the

drive wheel. To ensure that the honing wheel runs as true

as possible, it is recommended to re-seat the wheel in one

of the three possible locations. To do this, release the lock

knob (N) and remove the honing wheel. Rotate the wheel

120° and re-fit it in the next set of locating holes. Lock the

wheel in place using the lock knob (N). Repeat the process

if necessary and select the location that offers the minimum

run out of the honing wheel.

A B

F G

N A O

S T

Note:

Before the first use of the leather honing wheel (A)

condition with mineral oil (available as part of the

WG250/X Maintenance Kit) and honing

compound (R).

For the machine to perform correctly and produce an

accurate cutting edge it is important that the sharpening

stone runs as true as possible. The total maximum

tolerances for run out of the stone are as detailed below:

Radial (up and down): 0.35 mm

Axial (side to side): 0.8 mm

During the production process, the stone is mounted to

the machine to ensure that it runs true and within the

tolerances quoted above. To replicate this level of accuracy

when is use, please follow the instructions for mounting

and care of the stone carefully.

When mounting the stone for the first time it is important

to ensure that it is seated correctly to ensure that it

runs true.

Take care not to over tighten the lock nut as this may

damage the stone and could cause excessive run out. The

lock nut uses a left hand thread so does not need to be

too tight as the thread is in the opposite direction of the

rotation of the stone. Tighten the lock nut by hand until

‘finger tight’ and then using a 17 mm spanner, apply 1/8

turn to secure the stone.

Once the stone is secure, rotate it by hand and observe the

run out. If it appears to be excessive, re-position the stone

by loosening the lock nut and turning the stone on the

shaft by ¼ turn, then tighten the lock nut again. Repeat this

process until you are satisfied that the stone is seated in

the position that offers the least run out.

The sharpening stone must be trued before first use with

the WG250/K Diamond Trueing Tool and then dressed to

the required finish with the WG250/R Stone Grader.

Please refer to the relevant sections of this manual for

details of how to use each of these accessories.

During use, all sharpening wheels will eventually run out

of true. The sharpening of certain tools such as carving

gouges and turning tools will cause hollow sections or

grooves to appear in the surface of the stone very quickly.

It is important to true and dress the surface regularly to

maintain accuracy and prolong the working life of the

stone. Use the ‘little and often’ technique: Trueing the stone

before each use will remove only a small amount of waste

material from the surface of the stone, whereas repairing

deep grooves will take longer and inevitably mean that

more waste is removed, shortening the life of the stone.

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Record Power WG250 Instruction Manual Page 14

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