FCG-310
Wheel Dishing Tool – instructions manual
(Ver.1.2 2014/6)
Thank you for purchasing the Minoura
This is the tool to check if the wheel is exactly symmetrical for better ride. You can use FCG-310 on most size of wheels
sized 18" – 29" / 700c (Diameter : 335 – 655mm). Thru axle type hub is applicable up to 15mm size.
Please read this instructions manual carefully before use and fully understand the mechanism of bicycle wheel prior to
actual job.
FCG-310
Knob Bolt
Hole for wheel axle
IMPORTANT NOTES
FCG-310 is the measuring gauge for bicycle wheel only. Do not use it for any other purpose than
instructed.
!
FCG-310 is a precision tool so please handle it with care. Do not hit or bend the frame and gauge
plate. Please note the stainless gauge plate cannot be replaced.
!
Be careful not to pinch your ngers when openning or closing the FCG-310.
!
Minoura is not responsible to any result you will have by using FCG-310. Wheel is one of the
most important part for safety. Do it at your own risk.
!
wheel dishing tool.
Gauge Plate
Ratch
Rim Guide
Frame
Positioning Lib
Minoura offers 1-year limited warranty to this product from the date of your purchase. It covers
only the problems which have been caused by the manufacturer's defects.
!
How To Use FCG-310
1.
2.
3.
4.
5.
Remove the quick release skewer from the wheel. If the wheel is a plain nut type, remove the nuts.
To open the FCG-310, loosen the Knob Bolt then open the Frame with both hands.
Look for the grooves on the inside of the Ratches that fix the angle when the Frame is opened.
Extend until the grooves meet and lock into place by pushing them each other.
Turn the Gauge Plate counter-clockwise to locate the hole at the down end side.
Put the Gauge Plate on the flat groove on the outside of the Ratch.
Tighten the Knob Bolt, but you don't need to tighten it so firmly at this moment.
If the Gauge Plate doesn't t to the at groove
!
on the Ratch correctly, you won't be able to
measure properly. And also the Gauge Plate
will have to be bent.
Please be sure that the Gauge Plate cannot be
replaced due to the construction.
6.
Attach the FCG-310 to the wheel as shown in Fig. A.
While keeping both Rim Guides touching the rim, loosen the Knob Bolt to slide down the
Gauge Plate, then tighten the Knob Bolt firmly to record the triangle point.
At this moment, make sure the following points;
!
• Both Rim Guides touch the rim.
• The wheel axle is running through the hole on the Gauge Plate, and the Gauge Plate touches
the hub. It is improper that measuring by attaching the gauge to the wheel axle end.
(Fig. A)
6.
Flip over the wheel and attach the FCG-310 onto
the opposite side of the wheel.
Do not change the Gauge Plate position yet.
At this time, if all three points (both Rim Guides
and the tip of the Gauge Plate) touch each
appropriate postion at once on both side of
the wheel (see Fig. B), your wheel is properly
assembled and adjusted.
But if either one of the Rim Guides or the Gauge
Plate doesn't touch the appropriate position (see
Fig. C), your wheel needs to be adjusted further.
If the Rim Guide doesn't touch the rim, the wheel
has been moved toward opposite side.
If the Gauge Plate doesn't touch the hub even
though both Rim Guides touch the rim, your wheel
has been moved backward.
Set the wheel on the wheel truing stand to adjust. To know how to adjust the wheel, refer the instructions
manual of the wheel truing stand.
Properly Adjusted
(Fig. B)
Wrong Adjsuted
(Fig. C)
!
It is crucial to measure the wheel at several different points to get proper result.
Useful Additional Features
FCG-310 can be used on most wheels sized between 24" and 29"/700c in the standard position.
In addition, you can use it for the smaller wheel (18" or larger) and the wide (up to 140mm) hub wheel which is used on
some DH, FR and city commuting bikes by changing the the Rim Guide position. (see Fig. D & E)
<To Measure Smaller Wheel>
Make both Rim Guides inward
How To Fold Down FCG-310
<To Measure Wide Hub>
Step down both Rim Guides
(Fig. D)
The hole must be outward
(Fig. E)
1) Loosen the Knob Bolt fully.
2) Separate the Ratches as if pulling outward on each other.
3) Rotate the Gauge Plate as the hole faces outward.
4) Fold the Frame.
Do not tighten the Knob Bolt while the hole of the Gauge Plate
!
is facing inward, otherwise the Gauge Plate will be bent.
Please be sure the Gauge Plate cannot be replaced.
Contact
MINOURA JAPAN
1197-1 Godo, Anpachi, Gifu 503-2305 Japan Hayward, California, U.S.A.
Phone +81-584-27-3131 / Fax +81-584-27-7505 Phone 1-510-538-8599 / Fax 1-510-538-5899
minoura@minoura.jp / www.minoura.jp support@minourausa.com
(for ALL customers)
MINOURA NORTH AMERICA
(for U.S. residents only)
Made in Japan
(Fig. F)
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