Yanmar YM155d Service Manual page 144

(2) Hydraulic Pressure Outlet (M18x 1.5)
Be sure t o follow the following steps when
releasing pressure from the hydraulic oil outlet:
a) Move the
lift
arms
a
little (about
10")
from
the top position, completely tighten the stop
valve, and secure the lift arms.
b) Put the hydraulic control lever in the top
position.
(3)
Hydraulic Pressure Divider
For the hydraulic pressure divider dimensions
refer' t o the following illustration:
,
-rO
Pressure inlet
Unit: in.
Imml (return)