Control (193/260)
Removal
1. Remove the control from the endcap by removing the mounting bolts (See Control seal type and
mounting bolts). If the control has the TC/DC feedback link (D640), ensure that it does not stay in the
hole of the bias piston in the endcap, remove it and place it with the control.
2. Remove and discard the seals (See Control seal type and mounting bolts) .
Installation
1. Install new seals (See table Control seal type and mounting bolts). Proper gasket alignment is dictated
by alignment pins in the control housing. For O-rings, lightly lubricate them prior to assembly.
2. If the control uses a TC/DC feedback link, make sure that it is set in the bias piston hole, then install
the control housing assembly onto the endcap using the mounting bolts.
Control seal type and mounting bolts
Control Seal type Mounting bolts TC/DC feedback link
NPNN (130-260) Gasket (D145) 5 short bolts (D175) No
NPSN (130-260) Gasket (D145) 5 short bolts (D175) No
TPSN (193/260) Gasket (D145) 5 short bolts (D175) Yes
TPSN (130/145) 1 O-ring (D140) & 3 O-
rings (D150)
5 short bolts (D175) Yes
NNES (130-260) Gasket (D145) 5 short bolts (D175) Yes
TPE2/TPE5 (130-260) Gasket (D145) 3 long bolts (D170) & 2
short bolts (D180)
Yes
NPNR (130-260) Gasket (D145) 5 short bolts (D175) No
Torque requirements
Bolt Torque
D175 22.5-27.5 N·m [199-243 lbf·in]
D170 22.5-27.5 N·m [199-243 lbf·in]
D180 22.5-27.5 N·m [199-243 lbf·in]
Service Manual
D1 High Power Open Circuit Pumps Size 65/130/145/193/260
Minor repairs
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Danfoss | July 2019 L1527453 | AX00000292en-CN0201 | 49
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