Disassembling The Lower Fork Tube/Upper Fork Tube Unit - APRILIA RST mille Futura 2001 Service Manual

RST mille
USA
NOTE
Where necessary, remove the other lower fork
tube/upper fork tube unit.
7.8.3 DISASSEMBLING THE LOWER FORK TUBE/
UPPER FORK TUBE UNIT
Carefully read 1.3.9 (PRECAUTIONS AND GENERAL
INFORMATION), 1.4.2 (LUBRICANTS) and
(INSPECTING THE FRONT SUSPENSION).
NOTE
The right and left upper/lower fork tube units
have the same internal components.
The following steps refer to a single upper/lower fork tube
unit, but are applicable to both.
The operations marked with the symbol " " also refer to
changing the fork oil.
Remove the upper/lower fork tube unit,
(REMOVING THE FORK TUBES).
Thoroughly clean the entire upper/lower fork tube
unit.
NOTE
Before proceeding with the operations that
follow, make sure you have on hand the special tools
(A), (B), (C) and a container with a capacity greater than
550 cm³.
WARNING
Proceed very carefully with disassembly operations.
Turn the upper screw adjuster (1) all the way counter-
clockwise to reduce the hydraulic damping on
extension.
Remove the retainer ring (2).
Unscrew and remove the spring preload adjuster (3).
Remove the spring preload (4) thruster.
Place the lower fork tube- upper fork tube unit in a
vice using the two halves of the special tool (C).
WARNING
The upper/lower fork tube unit contains oil; do not
turn it upside down or tilt it too far in any direction
during disassembly.
Loosen the upper fork tube cap (5).
Remove the fork tube unit from the vice.
Holding the fork tube unit upright, completely
unscrew the upper fork tube cap (5).
Unscrew and remove the threaded pin (A1) from the
tool (A).
Place the stationary part of the tool (A) so that the
tooth engages the hole on the spring spacer tube (6).
Place the threaded pin (A1) in the hole on the
stationary part of the tool (A), making sure that when it
is fully inserted it engages the hole in the spring spacer
tube (6).
Release 00/2002 - 03
2.29
7.8.2
5
A
A1
A1
4
1
2
C
A
7
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3
1
6
00