IM-P470-03
CH Issue 7
19
5.2 How to renew the pilot filter element
1.
Isolate the reducing valve and zero the pressure.
2.
Unscrew the filter cap and carefully withdraw the filter element.
3.
Replace the element and tighten the filter cap to 90 - 100 N m.
Note:
The gasket is re-usable.
Filter element
Filter cap
5.3 How to renew or change the pressure adjustment spring
Isolate the reducing valve and zero the pressure in order to change the pressure adjustment
spring.
1.
Release the adjustment lock-nut.
2.
Turn the adjustment screw anticlockwise.
Ensure there is no compression on the
pressure adjustment spring.
3.
Undo the 4 off spring housing securing
nuts and remove the spring housing.
4.
Remove the pressure adjustment spring
and the top spring plate.
5.
Reassemble in reverse order.
1
2
3, 6
4
Summary of Contents for DP27
Page 2: ...IM P470 03 CH Issue 7 2...
Page 7: ...IM P470 03 CH Issue 7 7...
Page 23: ...IM P470 03 CH Issue 7 23 14 15 13 13 16 22 20 19 18 14 21 17 17...
Page 31: ...IM P470 03 CH Issue 7 31 51 52 55 54 58 58 56 57 53...
Page 38: ...IM P470 03 CH Issue 7 38...
Page 39: ...IM P470 03 CH Issue 7 39...
Page 40: ...IM P470 03 CH Issue 7 40...
