Kubota U25-3 - Checking the Communicating Valve; Checking the Counterbalance Valve and High;Low-Speed Selector Valve

U20-3, U25-3 WSM Hydraulic system (Service section)
IV-S-16
2) Checking the communicating valve
U-20-3 (Fujikoshi-made)
U-25 (Kayaba-made)
1. For disassembling and reassembling the
control valve, refer to IV-S-63.
2. Remove the cap and spool. Check and clean
them up.
3. Clean up the filter in the cap too.
Checking the counterbalance valve and high/low-
speed selector valve
1. For disassembling and reassembling the
valves, refer to IV-S-102.
2. Remove the plug and spool. Check and clean
them up.
3) Checking the counterbalance valve and high/low-speed selector valve (travel motor)