Periodic Maintenance Procedures
Drain the extra oil from the cylinder unit oil hole [A].
Blow out the extra oil from the oil hole of the cylinder unit
with the compressed air [B] blow to the oil hole.
Wipe the oil off completely from the cylinder unit.
If you cannot use compressed air, remove the air pres-
sure relief screw of the base valve assembly. Upside
down the cylinder unit for more than 10 minutes and
drain the oil from the cylinder unit.
Protect the piston rod end with a heavy cloth to prevent
Check the piston rod for smooth operation.
Pump the piston rod [A] to full stroke [B] by pushing down
the cylinder unit [C].
If the piston rod operation is not smooth, check the piston
rod for bend or damage.
Hold the cylinder unit on level ground while piston rod is
full stroked by your hand.
Release the piston rod, then check that the piston rod
extends to maximum.
If the piston rod does not extend to maximum, bleed the
air in the cylinder unit again.
Be careful not to bend or damage the piston rod
when the piston rod is stroked.
Wipe the fork oil off completely from the cylinder unit [A].
Compress the piston rod [B] to 200 ∼ 250 mm (7.87 ∼ 9.84
in.) [C] and hold the left front fork cylinder unit upright
position for 10 minutes.
There should be no oil leak from the cylinder unit.
If oil leaks from the cylinder unit, replace the cylinder unit
Hold the cylinder unit on level ground and release the
piston rod then check the piston rod extend to maximum.
Tighten the locknut [A] fully so that the piston rod thread
protrudes 10 ∼ 12 mm (0.39 ∼ 0.47 in.) [B].
PERIODIC MAINTENANCE 2-55