SCR valves
The SCR valves are factory set and are not field adjustable.
Removal
1. Using a 1-1/4 hex wrench, remove relief valve plug (166). Remove and discard O-ring (106).
2. Remove spring (165) and relief valve (1103) from pump housing.
Inspection
Inspect the sealing surfaces of the pump for nicks or scratches. Inspect the relief valve (1103) sealing
surface for nicks or scratches. If the relief valve (1103) is damaged, replace it.
Reassembly
1. Lubricate and insert relief valve (1103) and spring (165) into pump housing.
Service Manual
Series 40 M46 Tandem Variable Pumps
Minor repair
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Danfoss | September 2017 11029852 | AX00000030en-US0202