Danfoss Series 40 M46 Service Manual

1. Using a 3/16 in. internal hex wrench, remove screws (1203 and 1204) or (1224). If you have a three
position controll, remove screws (1226) using a 4 mm internal hex wrench.
2. Remove control housing (1201) or manifold (1225). Remove and discard O-rings (1220 and 304) or
(1227, 1228, and 1223A).
Inspection
Inspect control spool for scratches, grooves, and other damage. If spool is damaged, or you suspect
control malfunction, replace entire control unit. Inspect sleeve bore in housing for damage.
Reassembly
1. Lubricate and install O-rings (1220 and 304) onto control housing (1201) or for a three position
control, lubricate and install O-rings(1227 and 1228) onto manifold (1225) and O-rings (1229) onto
control housing (1223). Install control housing (1201) or manifold (1225) onto pump housing, align
sleeve groove with spring pin on swashplate.
Service Manual
Series 40 M46 Variable Pumps
Minor repair
38 |
©
Danfoss | September 2017 11026743 | AX00000027en-US0202

Danfoss Series 40 M46 Specifications

General

Brand	Danfoss
Model	Series 40 M46
Category	Water Pump
Language	English