Aqua Lung Legend First Stage 기술 유지보수 매뉴얼 - 페이지 4

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DISASSEMBLY PROCEDURE

NOTE:

Before performing any disassembly, refer

to the exploded parts drawing, which references all

mandatory replacement parts. These parts should

be replaced with new, and must not be reused

under any circumstances – regardless of the age of

the regulator or how much use it has received since

it was last serviced.

CAUTION:

Use only a plastic or brass o-ring removal

tool (p/n 944022) when removing o-rings to prevent

damage to the sealing surface. Even a small scratch

across an o-ring sealing surface could result in

leakage. Once an o-ring sealing surface has been

damaged, the part must be replaced with new. DO

NOT use a dental pick or any other steel instrument.

1. Remove the hoses from the first stage using the appro-

priate sized wrenches. Install spare HP and MP port plugs

into the empty ports, leaving one MP port and one HP port

open.

. Using an 8 mm hex key, remove the cap (9) and lift off

the ribbed washer (6).

3. With your fingers, remove the secondary diaphragm (28).

Turn the first stage over so the piston (27) falls out into your

hand.

4. With your fingers, stretch the spacer (25) and slide it off

the spring retainer (1).

5. Using an 8mm hex key, unscrew and remove the adjust-

ment screw (4). Remove the washer (3). Lift out the main

spring ().

NOTE: The washer may be inside the adjustment

screw. If so, gently tap the adjustment screw

against the work bench and the washer will

fall out.

6. Install a vise mounting tool (p/n 511630) into one of the

HP ports. Secure the vise mounting tool in a bench vise

with the spring retainer (1) facing upward. Using a 3mm

open-end wrench, unscrew the spring retainer from the

body. Lift out the spring pad (0). Using a brass o-ring tool

(p/n 9440), remove the thrust washer (19a), then remove

the first stage from the vise.