Aqua Lung SEA MK Troubleshooting Guide download pdf (Page 12)

27e

27b

27f

27g

Press retaining screw

against body and hold

Turn body to

engage threads

SEA MK Technical Maintenance Manual

c. Using a 1/8" hex key, tighten the retaining screw by

turning it clockwise until it stops. Install a new o-ring

(22) onto the threaded end of the indicator body. Thread

the pressure indicator into the upper HP port until rmly

ngertight. Use the T-handle tool (pn 053035) to tighten.

Maintain rm pressure to avoid damage to the pin gauge.

a. Install a new o-ring (22) onto the dial pressure indicator

(27). Thread the pressure indicator into the upper HP port and

torque to 45±3 in/lbs using a 7/8" crowfoot wrench.

11. Thread a new burst plug (6) into the lower por t on the rst stage

body (the side opposite of the ll adapter). Attach a 3/8" socket to

a torque wrench and tighten the burst plug to 90±3 in/lbs.

12. Install new lubricated o-rings (2) into the grooves located on

either side of the center hole of the swivel port plug (1). Install a

new o-ring (3) on the threaded end of the swivel port plug.

13. Pass the threaded end of the swivel port plug through the

hose swivel, then through the spacer (5). Make sure that both

o-rings (2) are covered by the hose swivel. Thread the swivel

adapter into the rst-stage body. Attach a 3/16" hex key to a

torque wrench and tighten the swivel port plug to 60±3 in/lbs.

a. Drop a new lubricated o-ring (27c) into the pin indicator

body (27b), making sure it is properly seated in the small

recess inside the body. Drop the washer (27d) over the o-

ring, making sure it is laying at atop the o-ring.

9. SEA MK with a pin-type pressure indicator (27a):

b. Insert the spring (27e) into the indicator body and insert

the pin (27f) into the spring. Place the retaining screw

(27g) on the pin and press the retaining screw against

the indicator body. While keeping the retaining screw

pressed against the indicator body, turn the indicator

body counterclockwise to engage the screw threads.

10. SEA MK with a dial-type pressure indicator (27):

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Aqua Lung SEA MK Troubleshooting Guide Page 12