Inspection
1. Inspect poppet (T020) for bending or damage. Replace if necessary.
2. Inspect spring (T030) for cracks or warpage. Replace if necessary.
3. Inspect sealing surface of filter adapter (T010) for scratches or damage. Resurface or replace scratched
or damaged part.
Reassembly
1. Lubricate and replace O-ring (T040) on plug (T025).
2. Install poppet (T020), spring (T030), and plug (T025). Torque to 18 N•m [13 lbf•ft].
3. If replacing bypass switch, install and torque 3 mm cap screws (T300) to 1.4 N•m [1 lbf•ft].
4. Install adapter assembly (T010) using new gasket (T350) to pump. Install cap screws (T250) using a
6mm internal hex wrench. Torque to 32 N•m [24 lbf•ft].
Filter Adapter Replacement
P106 138E
3 mm
1.5 N•m
[1 lbf•ft]
T025
6 mm
T200
T300
T020
T030
T040
16-20 N•m
[12 - 15 lbf•ft]
T025
6 mm
T040
16-20 N•m
[12 - 15 lbf•ft]
T010
T250
T350
6mm
32 N•m
[24 lbf•ft]
Charge Pump
If the pump has an auxiliary pump attached, remove the auxiliary pump and coupling before removing
the auxiliary pad.
Charge pump removal (removable auxiliary pad/cover)
1. Using a 10 mm internal hex wrench, remove cap screws (K400).
2. Remove charge pump cover or auxiliary pad (K100) and gasket (K150). Discard the gasket. Alignment
pins (G450) may remain in cover or endcap.
3. Remove thrust washer (K500). Note its orientation. Coated side is towards charge pump coupling
(K200).
4. Remove pressure-balance plate (S200) with seal (S300). Note orientation of plate and seal. Discard
seal.
5. Remove charge pump coupling (K200).
6. Remove charge pump gearset (S100) and outer ring (S150).
Service Manual
H1 Pumps 069/078, 089/100, 115/130, 147/165, 210/250
Minor Repair
©
Danfoss | May 2018
520L0848 | AX00000087en-US0308 | 55