Service Manual

HY13-1521-M2/US Service Manual

General Information Series HB Hydrostatic Transmission

Check Valves

Remove check valve with

5/16” allen head socket .

Check valves will not have

any numbers on the outside.

Please refer to picture to

determine if you have either

check or shock valves.

Parker Hannifin Corporation

Hydraulic Pump/Motor Division

Greeneville, Tennessee USA