Legend
Item Wrench size Torque
V10-1 27 mm 52 Nm [38 lb•ft]
V10-2 1 Inch 52 Nm [38 lb•ft]
V10-3 27 mm 52 Nm [38 lb•ft]
Control cutoff valve and brake valve
Replace the control cutoff valve as a complete unit. Do not attempt to repair the internal components of
the valve.
Removal
1. Disconnect the coil from the vehicle/machine wire harness.
2. Using a 24 mm hex wrench, remove the control cutoff valve coil nut (G30). Remove the coil (G20).
3. Use a 1 1/16 in hex wrench to remove the control cutoff valve (G10). Remove and discard the O-rings
and backup rings (G10A).
Inspection
Inspect the sealing surfaces of the pump and control valve for nicks or scratches. Replace
components as necessary.
Reassembly
1. Lubricate and install new O-rings (G10A) onto the valve.
2. Install the control valve (G10). Torque to 46 N•m [34 lbf•ft]. Slide the coil (G20) onto the valve.
3. Install the coil nut (G30). Torque to 9 N•m [7 lbf•ft]. Do not overtorque.
Service Manual
H1 45/53/60/68 Tandem Closed Circuit Axial Piston Pumps
Minor repair
©
Danfoss | June 2018 520L0928 | AX00000103en-US0303 | 63
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