Jacobsen HR5111 Service And Repair Instructions page 150

HYDRAULICS
SECTION 8M. MOWER MOTOR CONTROL VALVE
INSPECTION
1. Inspect all parts for signs of excessive wear or
damage.
2. O-rings should be discarded and a new kit O-ring
installed.
3. Check spool making sure it slides smoothly in valve
body.
4. Check plunger making sure it slides easily in the
outer flux sleeve.
5. Check for broken or cracked return spring.
Figure 8M-2. Solenoid, Mower Motor Control Valve
8M-2
INSTALLATION
Install control valve to frame with attaching hardware.
SOLENOID COIL REPLACEMENT
Refer to Section 10I for test procedures on the solenoid
coil.
The coil can be easily changed as illustrated (see Fig-
ure 8M-2).