Apeks TX40 - Page 14

14
TX Second Stage Regulator Maintenance Manual
15
TX Second Stage Regulator Maintenance Manual
Table 1 - Troubleshooting Guide
SYMPTOM POSSIBLE CAUSE TREATMENT
Leakage or freeow from TX Second
Stage
1. Excessively high rst-stage intermediate
pressure.
1. Refer to rst-stage Troubleshooting
Guide.
2. Rubber Seating (24) damaged or worn. 2. Replace Rubber Seating.
3. Seat (17) adjusted incorrectly, Lever
(19) set too high.
3. Reset Seat preliminary settings, and
repeat Adjustment Procedures.
4. Lever (19) bent. 4. Replace Lever.
5. Seat (17) sealing surface damaged. 5. Replace Valve Seat.
6. Valve Spring (25) damaged. 6. Replace Spring.
7. Shuttle Valve ‘O’ Ring (24) damaged. 7. Replace ‘O’ Ring.
8. Counter Balance Cylinder (26) bore
damaged.
8. Replace Counter Balance cylinder.
Low purge or excessive work of
breathing (full cylinder)
1. Low rst-stage intermediate pressure.
1. Refer to rst-stage Troubleshooting
Guide.
2. Seat (17) adjusted incorrectly, Lever
(19) set too low.
2. Reset Seat preliminary settings, and
repeat Adjustment Procedures.
3. Intermediate pressure hose clogged or
obstructed.
3. Clean or replace Hose.
4. Lever (19) bent or catching on Valve
Spindle (20).
4. Replace Lever.
Water entering TX Second Stage
1. Mouthpiece (12) damaged or incorrectly
tted.
1. Replace or re-t Mouthpiece as
appropriate.
2. Diaphragm (7) damaged. 2. Replace Diaphragm.
3. Diaphragm (7) improperly seated in
Case (9).
3. Remove Front Cover (4) and
Diaphragm Cover (5) properly
reassemble Diaphragm (check for
distortion).
4. Exhaust Valve (15) damaged. 4. Replace Exhaust Valve.
5. Case (9) damaged. (Check exhaust valve
seating surface.)
5. Disassemble and replace Case.
6. Heat exchanger ‘O’ Ring (8) damaged. 6. Replace ‘O’ Ring.