Martin Engineering M3747-05/12 1 Martin®Air Cannon Maintenance Instructions
HMartin®Hurricane Air Cannon Main Piston Rebuild Instructions
Read entire section before beginning work. All safety
rules defined in your air cannon’s documentation, and
all owner/employer safety rules, must be strictly
followed when installing and servicing this equipment.
Turn off and lock out/tag out air supply and energy
source before blasting air cannon to prevent air
cannon from refilling.
Do not open door/port or enter structure before
turning off compressed air source, locking out
controls, purging line pressure, and venting air from
tank. Opening structure door while cannon is
operational can kill you.
1. Turn off and lock out/tag out energy source according to American National Standards Institute (ANSI)
z244.1-1982 and Federal Register, Volume 54, Number 169, Part IV, 29 CFR Part 1910.
2. Blast air cannon to remove air from tank. If tank has a relief valve, pull ring to make sure air stored in
cannon has been released.
3. Close safety slide gate if equipped with one. If air cannon has an open discharge port, make sure you
are safely isolated from free flowing material or hazards inside the discharge area.
4. Disconnect air lines.
5. Remove bolts from valve assembly.
