Danfoss Series 40 M46 Service Manual

2. If you have a three position control, use a 4 mm internal hex wrench to install screws (1226). Torque
screws to 14 N•m [10 lbf•ft]. Install three posion control housing (1223). Using a 3/16 in. internal hex
wrench, install screws (1203 and 1204) or (1224). Torque to 14 N•m [10 lbf•ft].
EDC / HDC repair
P106 640E
EDC
304
1220
1201
1220
1203
3/16 in
1204
3/16 in
304
1220
1201
1220
HDC
1203
3/16 in
1204
3/16 in
1228
1227
1225
1224
3/16 in
1226
4 mm
1223
3-Position Control
1229
O-rings (1229) are supplied as part of control
MDC orifice repair
Removal
1. Using a 3/16 in. internal hex wrench, remove pipe plug (1219).
2. Using a 1/8 in. internal hex wrench, remove filter or orifice plug (1401).
Inspection
Clean orifice. Replace if necessary.
Reassembly
1. Using a 1/8 in. internal hex wrench, install filter or orifice plug (1401). Torque to 3 N•m [2 lbf•ft].
2. Using a 3/16 in. internal hex wrench, install pipe plug (1219). Torque to 22 N•m [16 lbf•ft].
Install Pipe plug (1219) with thread lock. Apply a few drops before installation.
Service Manual
Series 40 M46 Variable Pumps
Minor repair
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Danfoss | September 2017 11026743 | AX00000027en-US0202 | 39

Danfoss Series 40 M46 Specifications

General

Brand	Danfoss
Model	Series 40 M46
Category	Water Pump
Language	English