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Series 40 M46 Tandem
Danfoss Series 40 M46 Tandem User Manual
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Service Manual
Axial Piston Variable Pumps
Series 40 M46 Tandem
powersolutions.danfoss.com
2
Table of Contents
Default Chapter
3
Table of Contents
3
September
4
Overview
4
Warranty
4
General Instructions
4
Safety Precautions
4
Danfoss | September
5
Symbols Used in Danfoss Literature
6
Design
6
The System Circuit
7
Pump Schematic
9
Fluid and Filter Maintenance
10
Fluid and Filter Recommendations
10
Initial Startup Procedures
11
General
11
Start-Up Procedure
11
Pressure Measurements
13
Required Tools
13
Port Locations and Gauge Installation
13
Troubleshooting
15
Overview
15
Safety Precautions
15
System Noise or Vibration
15
System Operating Hot
15
System will Not Operate in One Direction
16
System will Not Operate in Either Direction
16
Neutral Difficult or Impossible to Find
17
System Response Is Sluggish
17
Electrical Troubleshooting
18
Adjustments
19
Standard Procedures, Inspections, and Adjustments
19
Warranty
19
Pump Adjustment
19
Charge Pressure Relief Valve
19
Engaging the Bypass Function
20
System Check/Relief (SCR) Valves
21
Displacement Limiter Adjustment
22
Displacement Limiter Adjustment Data
23
Swashplate Neutral Adjustment
23
Manual Displacement Control Bracket Neutral Adjustment
24
Electronic Displacement Control/Hydraulic Displacement Control Neutral Adjustment
25
Minor Repair
27
Standard Procedures, Removing the Pump
27
Displacement Limiter
27
Pressure Filtration Adapter
28
Charge Pump
29
Shaft Seal
31
SCR Valves
32
Charge Pressure Relief Valve
33
Bypass Valve
34
Manual Displacement Control
35
Electronic Displacement Control/Hydraulic Displacement Control
36
MDC Orifice Repair
38
EDC/HDC Orifice Repair
39
Torque Chart
41
Fastener Size and Torque Chart
41
Plug Size and Torque Chart
41
4
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Danfoss Series 40 M46 Tandem Specifications
General
Brand
Danfoss
Model
Series 40 M46 Tandem
Category
Water Pump
Language
English
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