2-62 PERIODIC MAINTENANCE
Periodic Maintenance Procedures
With the piston rod held immovable in fully compressed
position [A], gently install the base valve assembly [B] to
the cylinder unit.
Plug the two oil holes on the cylinder unit with fingers
until the base valve assembly is installed.
Screw in the base valve assembly in the cylinder unit
when the piston rod extends.
When it is hard to screw in the base valve assembly,
pull down the piston rod a little.
Hold the top plug wrench (57001-1653) [A] with a vise.
Holding the cylinder unit [B] with the top plug wrench
(57001-1787), torque the base valve assembly [C] to the
Special Tools - Top Plug Wrench, 49 mm: 57001-1653
Top Plug Wrench, 21 mm: 57001-1787
Torque - Base Valve Assembly: 30 N·m (3.1 kgf·m, 22 ft·lb)
Check if the locknut is completely screwed on to the
Protect the piston rod end [A] with a heavy cloth [B] to
prevent fork damage.
Discharge the extra oil off the cylinder unit by pumping [C]
the piston rod to full stroke.
Be careful not to bend or damage the piston rod
when the piston rod is stroked. Service carefully
because oil flows out from the oil hole of the cylin-
Check the piston rod sliding surface for damage.
Apply fork oil to the piston rod sliding surface.