Hydraulic And Electric Displacement Controls - Danfoss 90 Series Service Manual

Service Manual
Minor repair

Hydraulic and electric displacement controls

62
Series 90 Pumps
Removal
1. Thoroughly clean external surfaces prior to removal of control.
2. Using a 5 mm internal hex wrench, remove the six control mounting screws (M90). Remove the
control (M1) (with orifice check valve (T40) and spring (T30)) and control gasket (M11) from housing.
Discard the gasket.
C
Caution
Protect exposed surfaces and cavities from damage and foreign material.
Reassembly
1. Install a new gasket (M11). Verify the control orifice check valve and spring (T) are in their proper
position in the control.
2. Position the control on the housing. Insert the control linkage pin into the swashplate link.
Hydraulic/Electric displacement control
M11
d
3. With the control in position, move control assembly left and right to check engagement of pin in the
link. Proper engagement is indicated by an increasing resistance as the control is moved away from
center position. Non-engagement of pin is indicated by lack of spring force. In case of non-
engagement, remove control and repeat the above procedure.
520L0818 • Rev 0101 • August 2015
M90 (x6)
I
5 mm
16 N•m [12 lbf•ft]
M1
T30
P106 187E
T
T40