Hitachi EX20UR-2 Manual page 139

5. Place pusher (17) assemblies on each spool (9) as-
sembly.
ST 7924
6. Install plate (15) on pushers (17). Install special tool
(ST 7924) to the universal joint mounting hole on
housing (10).
W554-02-07-007
Assemble Pusher Assemblies
4. Install oil seal (3) and 0-ring (5) on bushing (16).
Insert pusher (17) into bushing (16).
IMPORTANT: Install oil seal (3) in the correct direc-
tion. Apply grease to the lips of oil
seal (3) and the inside of bushing (16).
Use one of the following greases :
* Apolloil Autorex (Idemitsu),
* Ocean 7 (Nihon Ore Louve),
* Screw Bar L60 (NOK)
Oil Seal Installer: ST 2292
W105-02-07-019
UPPERSTRUCTURE I Pilot Valve
W02-06-13