Federal Vehicles
.CHARCOAL CANNISTER INSPECTION (Federal Vehicles)1. REMOVE CHARCOAL CANISTER.
2. VISUALLY INSPECT CHARCOAL CANISTER: LOOK FOR CRACKS OR DAMAGE.
3. CHECK FOR CLOGGED FILTER AND STUCK CHECK VALVE
- Using low pressure compressed air (4.71 kPa, 48 gf/cm2, 0.68 psi), blow into port A and check that air flows without resistance from the other ports.
- Blow air (4.71 kPa, 48 gf/cm2, 0.68 psi) into port B and check that air does not flow from the other ports. If a problem is found, replace the charcoal canister.
4. Clean Filter In Canister: clean the filter by blowing 294 kPa (3 kgf/cm2. 43 psi) of compressed air into port A while holding port B closed.
NOTICE:
- Do not attempt to wash the canister.
- No activated carbon should come out.
5. REINSTALL CHARCOAL CANISTER.