16
Parker Hannifin
Pump and Motor Division
Trollhättan, Sweden
Service Manual
Series F11
Bulletin HY30-5503-M1/UK
Valve Plates
Type Description
M
S
L
R
Q
H
J
G
Bi-directional, motor or pump operation
Bi-directional, motor operation, high speed, bi-metal
Left hand rotation, pump operation
Right hand rotation, pump operation
Bi-directional, motor operation, low noise
Bi-directional, motor operation, high pressure
Right hand rotation, motor operation, internal drain
Left hand rotation, motor operation, internal drain
M
J
Q
H
G
L
R
S
Note!
The internal drained valve
plates G and J is shown from
the back side of the valve
plate.
From the front, when installed,
they looks the same as the M
valve plate.