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Repair
10 311239H
Spool Repair Kit NXT098
Regulator Repair Kit NXT095
Quick Exhaust Repair Kit
NXT099
1. Relieve pressure, page 9.
2. See Parts drawing, page 12. Using a 1/4 in. drive
ratchet or a 3/8 in. deep well socket, remove 2
screws (37). Use a 3/8 in. open-end wrench to
remove the third screw (37) and disassemble front
cover (5) from housings (1, 2). Remove spring (16).
3. Pull the spool assembly (8) out of the housing (1).
Use a pliers to carefully pull the spool assembly out
by the tip.
4. Clean and lubricate the bore in the housing (1).
5. Install the new spool (8), spring (16), and o-ring (38).
1. Relieve pressure, page 9.
2. See Parts drawing, page 12. Using a 1-3/8 in.
open-end wrench, unscrew the regulator housing
(19).
3. Remove adjustment screw (17a), spring (17b), slip
ring (17c), diaphragm (17d), and washer (48).
4. Using #2 Phillips screwdriver, remove valve seat
(17e) slowly to avoid damaging flutes. Remove valve
assembly (17f) and spring (17g).
5. Use all new parts in the kit. Reinstall the spring
(17g), valve assembly (17f), washer (48), and valve
seat (17e). Tighten seat slowly to avoid damaging
flutes.
6. Do not apply any lubricant on the seating area of the
diaphragm (17d). Reinstall diaphragm, slip ring
(17c), spring (17b), and adjustment screw (17a).
1. Relieve pressure, page 9.
2. See Parts drawing, page 12. Using a 3/8 in. deep
well socket, remove 2 screws (37). Use a 3/8 in.
open-end wrench to remove the third screw (37) and
disassemble front cover (5) from housings (1, 2).
Remove spring (16).
3. Remove seat (20a) with large flat blade screwdriver.
Work out the poppet (20b) from the hole beneath the
poppet using an o-ring pick or an allen wrench.
4. Liberally grease housing threads to avoid damaging
o-ring (20c) on new poppet (20b). Install new poppet
with o-ring. Install new seat (20a) until it bottoms out
tight in the housing.