Unscrew the plug using a large screwdriver or 1/2 inch hex wrench. Remove and discard the O-ring
(K50).
2. Remove the spring (K70) and relief valve poppet (K80).
Inspection
Inspect the poppet (K80) and mating seat in the endcap for damage or foreign material.
When inspecting shim adjustable valves, do not alter the shims or interchange parts.
Reassembly
Install the poppet (K80) and spring (K70). For shim adjustable valves, install the shims and plug,
torque to 68 N•m [50 lbf•ft]. For screw adjustable valves, install the plug with its lock nut, aligning the
marks made at disassembly, and torque the lock nut to 52 N•m [38 lbf•ft].
Check the charge pressure and adjust, if necessary. Refer to Charge pressure adjustments.
Charge pressure relief valve
K10
1/2 in
K90
Lock nut
Lock nut torque
P106 169E
See appropriate table
K
K50
K70
K80
d
h
h
t
Service Manual
Series T90 Axial Piston Pumps
Minor repair
©
Danfoss | March 2020
AX216086485386en-000101 | 49