Danfoss H1 078 - Page 49

2. Fabricate a special tool to remove two plastic plugs (D610). See drawing below for tool dimensions.
Push down on plug and turn 45 degrees counterclockwise. Discard plugs.
Wax seals will be destroyed when the plugs are removed. Do not damage the housing in the plug
sealing area.
3. Use a 5 mm internal hex to remove two screws (D674). Remove shield (D672).
4. Use a 5 mm internal hex to remove six screws (D250). Remove control from pump.
5. Remove and discard gasket (D150).
Alignment pins are pressed into control. Do not remove them.
6. If necessary, use a 3 mm internal hex to remove orifices (F00A, F00B) from housing. Tag each orifice
for reinstallation. Each orifice may be a different size.
7. If it is necessary to remove the screens, drill out screen retention ring (D098) and remove and discard
screen (D084). Note screen orientation for reassembly.
W
Warning
Do not allow metal fragments to fall into control housing. This may cause erratic pump operation.
Drill Out Retention Ring
Screen
Retention
Ring
P108 022E
Remove Control
D250
5 mm
(6X)
D150
F00A
3 mm
F00B
P107 990E
D610 (2X)
Security
wax seal (2X)
D640
D084
D098
13.3 Nm
[9.8 lbf•ft]
2.5 Nm
[1.8 lbf•ft]
D674
D672
Service Manual
H1 Pumps 069/078, 089/100, 115/130, 147/165, 210/250
Minor Repair
©
Danfoss | May 2018 520L0848 | AX00000087en-US0308 | 49