Hawkeye Series 5000 EPRV - Manual (Page 4)

C.) Series 5000 EPRV Maintenance
C1.) Inspect and Relubricate Sealing Gasket
C2.) Sealing Gasket Replacement
Hawkeye Industries Inc. 4
Generally, an emergency vent will not need lubrication as often as
a normal venting hatch. However, the device should be inspected
after any emergency venting occurrences. Relubrication and in-
spection shall be performed at least once per year to ensure the
continued performance of the vent.
Hawkeye factory-applies Dow Corning 4 Electrical Insulating Com-
pound to the vacuum and pressure gasket, and recommends the
same compound for any field relubrication.
►Excellent seal and release properties
►-57°C to 204°C
► Moisture Resistant
► 4.5% Bleed, 24 hr/200°C
► 1.4% Evaporation, 24 hr/200°C
► Non-toxic and odorless
Follow steps 1 to 3 of Section B1, Man Way Access
1
Follow steps 1 to 3 of Section B2, Full Throat Man Way Access
1
Relubricate the sealing gasket with Dow Corning 4 Electrical Insulating
Compound or equivalent and return the vent to the operating position by
following these steps in reverse order and tightening the weight plate bolt
to 68 ft-lbs.
3
Lubricate the sealing gasket by following the relubrication instructions
above.
5
Inspect sealing gasket. Check for tears or debris. Compression setting (in-
dentation) in the sponge gasket is normal.
2
Remove gasket retaining bolt on pallet.
2
Replace composite sealing gasket.
3
Tighten the gasket retaining bolt to until the rubber mount has been com-
pressed from 1/2" thick to 3/8” thick. Return the vent to the operating posi-
tion by following these steps in reverse order. Tighten the weight plate bolt
to 68 ft-lbs.
4
Seal Maintenance Complete. Seal Replacement Complete.