Shimano FD-M452 Front Derailleur Service Instructions

SERVICE INSTRUCTIONS
mSpecifications
Before use, read these instructions carefully, and follow them for correct Band type... 28.00 — D 2860mm
USE: Installation band | (1-3/32” —1-1/8”)
diameter EC-type (End-less clamp type)
Front Derailleur core 318mm (1-1/4”) or 3349mm
Band type.....34~ 54mm
(1-11/32" ~ 2-1/8")
FD-M452
= A
Stoke (A— A’) “A ”
EC-lype.....35- 55mm 4
(1-3/8" — 2-5/32") |]
Ve For use with front chain- fi
Application y Ш п |
=, wheel triple gear only. a я |
Adjustment and Cable Attachment
1. Low adjustment
Adjust the clearance between the chain guide's inner
Assembly to Fram e plate and the chain to 1 mm—15 mm.
1. Set the front derailleur while the Biopace crank is in a
direct line with the seat tube.
Clearance
1—3mm
TILL Yi CL ГЛ
Chain quide
— — inner plate
Chain position
Largest gear Smallest gear
Front chainwheel
(large gear)
2. Cable attachment
Tighten the cable fixing bolt to fix the cable.
Secure by using a 5mm allen key.
(Tightening Torque: 50kgfcm (43 in.lbs) )
3. Top adjustment
Set the chain guide outer plate to the smallest gap at
2. The outside surface (À) of which the chain guide does not contact the chain.
the chain guide should be
directly above and parallel |
to the large gear. |
Front chainwheel
(large gear)
3. Secure by using a 5mm - Chainguide
Allen key. Top adjustment bolt
НС (43 que (A) Small - in gui
: est gear Larges! gear Chain guide
C m in.ibs) , =k 3 = 9 outer plate
—Chain
yd SH | Mano Please note: specifications are subject to change for improvement without notice (English)
2HIMANG AMERICAN CORPORATION SHIMANO (SINGAPORE) PTE, LTO, SHIMANO (EURDPA) GmbH, SHIMANO INDUSTRIAL COo..LTD.
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© Jul, 1988 by Shimano Co., Ltd. R-59 XBC IZM Printed in Japan