Danfoss Load Control Field Conversion Kit Installation guide

Service Kit Instructions

Series 40 - M46
Load Control Field Conversion Kit Installation Instructions

With the pump controller facing upward loosen the screw or
flange head screw retaining the neutral bracket to the
housing using a 7/16” or 3/8” wrench.

Remove the screw and washer or flange head screw from
the housing.

Remove the MDC spool assembly from the housing.

© Danfoss, 2013 BLN-10193 • Rev AA • September 2013 1

Remove the 2 plugs on both sides of the control sleeve.
On pumps with date code 86-14 or below, remove the
control inlet using a 9/16 in. hex wrench. On pumps with
dates code above 86-14, use a 3/16 in. internal hex wrench.

Remove control inlet orifice.

Remove the control sleeve from the unit by carefully
gripping the end of the sleeve with pliers and pulling out.

© Danfoss, 2013 BLN-10193 • Rev AA • September 2013 2

S L O T

Install screened orifice. Torque to 2 to 3 Nm [20 to 30 lbf •in]

Align the new control sleeve so its slot will engage the
swashplate feedback pin.

FEED BACK PIN

Swashplate feedback pin.

© Danfoss, 2013 BLN-10193 • Rev AA • September 2013 3