Prs6 - Aqua Lung MRS III Operation And Maintenance

2
1
ITEM REQ'D
1 1
2 1
3 1
4 1
5 1
6 1
1. To disassemble, hold 1/4" NPT fitting (5) using 11/16" socket. Using a 6mm Allen
wrench, unscrew stem (2) with a counter-clockwise motion.
2. Remove O-rings from stem, using O-ring pick. Discard.
3. The 820039 O-ring (3) on the PRS/MRS DIN connector must have a light coat of non-
toxic lubricant (Christo-Lube) applied prior to being installed on the assembly. NOTE:
Do not apply any lubricant to the 820040 O-ring (1).
4. Install lubricated O-ring (3) over the threads of the stem (2) taking care to not damage the
O-ring.
5. Install O-ring (1) all the way back into the O-ring groove of stem (2).
6. Place the handwheel (4) over the 1/4" NPT fitting (5) with the threads pointed upward.
7. Thread stem (2) into 1/4" NPT fitting (5) using a 6mm Allen wrench. Use 11/16" socket
to hold 1/4" NPT fitting.
8. Torque stem (2) to 1/4" NPT fitting (5) -- 40.0 +/- 5.0 inch pounds.
PRS6 OVERHAUL
4
3
PART NO. AQUALUNG
PART NO.

PRS6

PRS6-1 820040
PRS6-3 106058
PRS6-2 820039
PRS6-4 108657
PRS6-5 054159
347-1 103248
5
DESCRIPTION
STEM (Cannot be purchased separately.)
HANDWHEEL (Cannot be purchased separately.)
1/4"NPT FITTING (Cannot be purchased separately.)
CGA 347 TO 1/4" FNPT BRASS
6
O-RING
O-RING
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