© Miller Diving All Rights Reserved Document # 030715001
19
Check Free Movement and position of Lever (88)
.
MILLER-10 REGULATOR
INTERNAL PARTS MAINTENANCE AND RE-
PLACEMENT:
1. Unscrew Adjustment Knob as far out as possible.
2. Loosen Packing Nut with a wrench.
3. Remove the Adjustment Assembly, Shaft, Teflon
Washer, O-ring, Packing Nut, and Knob completely from
the Regulator.
4. To disassemble adjustment assembly, knock out pin with
a 3/321, punch. Be sure to rest knob against solid support
to avoid damage.
5. Tilt the Regulator and shake out the Piston, Spring set,
and Spacer.
6. Unscrew Nut from Inlet Valve. Keep Valve from rotat-
ing by inserting a small screwdriver into Inlet area.
7. Remove Spring, Washer, Inlet Valve, Rocker Lever and
Spacer.
8. All metal and rubber parts may be cleaned in warm soapy
water, rinsed and air dried.
9. Inspect Diaphragm for pinholes, cracks or other dam-
age.
10. Inspect O-rings for damage.
11. Inspect Inlet Valve Seat for wear and deep groves in
the rubber disc.
12. Inspect and replace all parts necessary.
13. Lubricate O-rings and threads lightly with silicone
grease.
14. To reassemble, Slip Spring and Washer on shaft of
Disc and Retainer. Insert all three parts into Regulator
Body inlet.
15. Place Washer, Lever, Spacer, and Nut on the tip of
Shaft which now protrudes into the interior of Regulator
Body.
16. Tighten the Nut so that two threads protrude past the
nut.
17. Install Inlet Seat with O-ring.
18. Install the Piston, Spring Set, and Spacer into the ad-
justment tube of Regulator Body.
19. Install Teflon Washer, O-ring, Packing Nut, and Ad-
justment Knob on Adjustment Shaft. Line up the holes in
Knob and Shaft and tap in Pin with 3/32" punch.
20. Install the Adjustment Knob Assembly into Adjust-
ment Tube. To Adjust the Regulator, first pressurize sys-
tem with approximately 150 PSI. The Lever should be
adjusted by Nut to have no more than 1/16 in. Free move-
ment. The Lever should be even with the top of Regula-
tor Body where the Diaphragm will almost touch it. If it
is too high or too low the Lever should be bent to the
correct position. The Adjustment Knob should be screwed
in to stop free flow. If free flow cannot be stopped, the
Nut is too tight.
Support the knob when driving the pin.
