2 … 2
MC • Karl Dungs
, Inc.
• DMV/6x2 Series Coil R
eplacement • Edition 2016.02 • P/N 261408
Procedure
D
A
E
C
B
1. Disconnect all power to prevent electrical shock and
equipment damage.
2. Close the upstream manual shut off valve.
3. Remove DIN electrical connector.
4. Remove blue paint from the countersunk screw on the
hydraulic brake unit (DMV-DLE series) or black adjustment
knob (DMV-D series). (Fig. 1)
5. Remove the pan head screw on the hydraulic brake unit
(DMV-DLE series) or black adjustment knob (DMV-D
series). (Fig. 1)
6. Lift off the hydraulic brake unit or black adjustment knob.
7. Remove washer.
8. Remove solenoid by pulling directly up. Note solenoid #
and voltage.
9. Verify the replacement coil has the same coil # and electri-
cal rating. Install replacement coil.
10. Replace washer.
11. Check the o-rings (clean if necessary) on the hydraulic
brake unit or black adjustment knob.
12. Remount the hydraulic brake unit or black adjustment
knob.
During mounting, take care not to damage the
o-rings on the shaft of the hydraulic brake on DMV-
DLE models and the adjustment knob on DMV-D
models .
13. Install and secure screws to the hydraulic brake unit or
black adjustment knob. Take care not to overtighten
14. With the gas pressure applied and valve #1 energized or
with both valve energized, perform an external leakage
test: Apply liquid leak detector around the gap between
the hydraulik brake unit or black adjustment knob, the
valve body and the solenoid.
15. If bubbles form, remove hydraulic brake unit or black
adjustment knob. Check and clean o-rings. (If o-rings
are damaged contact Karl Dungs, Inc. for a replacement
hydraulic brake or black adjustment cap.) Inspect the
bore in the cylinder shaft. Make sure it does not contain
any debris or burrs. Make sure no dirt can come into the
valve system. Remount the hydraulic brake unit or black
adjustment knob. Perform leakage test again. If the valve
still leaks contact Karl Dungs, Inc.
16. If no leak is detected, connect the DIN electrical connector.
17. Perform a complete function test: apply power to the valve,
make sure both valves open and close properly.
18. If the valve does not operate properly, contact Karl Dungs,
Inc. for technical help or replacement.
Karl Dungs GmbH & Co . KG
P .O . Box 12 29
D-73602 Schorndorf, Germany
Phone +49 (0)7181-804-0
Fax +49 (0)7181-804-166
e-mail info@dungs .com
Internet http://www .dungs .com
Karl Dungs, Inc .
3890 Pheasant Ridge Drive NE
Suite 150
Blaine, MN 55449, U .S .A .
Phone 763 582-1700
Fax 763 582-1799
e-mail info@karldungsusa .com
Internet http://www .dungs .com/usa/
