Danfoss 51 Series

Cylinder block
Cylinder block
Pistons
Lubricate the pistons and cylinder
block bores with hydraulic oil
SAE flange version shown
cartridge version similar
P104 104
Bearing plate and valve segment
Bearing plate
1. Install the bearing plate locating pins (C20) into the cylinder block.
2. Install the longer end of each shouldered pin into the block.
3. Install the bearing plate (C10) on the cylinder block, with steel side facing the block.
4. Lubricate the bronze side of the plate with hydraulic oil.
5. Install the end cap alignment pins (B50). Install a new gasket (G60).
Repair Instructions
Series 51 and 51-1 Bent Axis Motors Repair Instructions
Assembly
11009449 • Rev BA • December 2014 29