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TM 5-4930-234-13&P
Table 3-1. Troubleshooting (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2. Remove coupling from nozzle. Inspect coupling to ensure o-ring is in place. Inspect o-ring for cuts, tears, or
distortion.
If o-ring is missing or damaged, install a new o-ring on coupling. Install coupling in nozzle. Hand-tighten only.
3.
INADEQUATE FUEL FLOW.
Step 1. Remove coupling and strainer from nozzle. Check strainer for dirt or other foreign matter.
Clean strainer by removing all dirt and foreign matter.
Step 2. While strainer is removed, inspect for any damage.
Replace strainer if damaged. Install strainer in nozzle, then install coupling. Hand-tighten only.
Section III. MAINTENANCE PROCEDURES
3-3.
GENERAL. This section consists of inspection, service, or replacement of those items which would cause
malfunction or hazardous operation of the nozzle.
3-4.
CAN-LOCK COUPLING GASKET (See Figure 3-1).
a.
Removal.
1.
Shut fuel off at source. Place handle down in NO FLOW (off) position.
NOTE
Have a suitable container available to catch any fuel spillage.
2.
Pull cam arms (2) away from coupling (3). Remove nozzle (1) from fuel hose.
3.
Remove gasket (4) from inside coupling (3).
b.
Inspection. Inspect gasket (4) for cuts, tears or distortion.
c.
Replacement. Replace gasket (4) if damaged.
d.
Reassembly.
1.
Place gasket (4) inside coupling (3).
2.
Attach fuel hose to nozzle (1). Push cam arms (2) toward coupling (3).
3-2
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