Mod-U-Blast MBM Series - Important Safety Warnings; Start-Up Preparations; Cautionary Notes

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Read all instructions before using this equipment. For eﬃcient and safe production, reference OSHA requirements.

Remember:

1. Safety equipment is required by OSHA. Use NIOSH approved air fed respirator (helmet) connected to an approved

breathing air compressor. Air must be ﬁltered and monitored for carbon monoxide (co2). Air source must be rated

suitable as a supply of breathing air CLASS D. Wear protective clothing, safety shoes, leather gloves, ear and eye

protection.

2. Start up Preparations:

Check helmet respirator, ﬁlters and lenses. Blast machine must be grounded to avoid shock. Inspect ﬁttings and

hoses for damage and wear. Safety clip quick couplings together Install whip checks on all connections for safety.

Inspect & test remote controls. OSHA regulations require remote controls on all blast vessels.

NEVER USE A BLAST VESSEL WITHOUT A REMOTE CONTROL INSTALLED.

3. Caution:

Watch for silicosis or toxic dust hazard (from dust created when using silica sand as a blast media). DO NOT USE

MEDIA CONTAINING FREE SILICA. Unless otherwise speciﬁed, working pressure of blast machine and related

components must not exceed 125 p.s.i. or 150 p.s.i. depending on vessel rating. Keep blast nozzle controlled and

aimed at the work. Do not weld on or repair your blast machine, This will void National Board Approval, CRN, ABSA,

etc.

4. Keep your machine in good repair. Use Mod-U-Blast replacement parts and do not substitute or modify Mod-U-

Blast supplied items.

The following steps should be completed prior to beginning the blasting operation.

4.1 Inspect the condition of the blast machine. Check the pop-up valve, pop-up valve seat gasket, inspection door

components, remote control components, piping and (red) air “pusher line” ﬁttings. Prior to operating the blast

machine replace excessively worn or damaged parts and tighten all ﬁtting connections.

4.2 Check the blast hose, nozzle holder and coupling for wear and damage. Replace if excessively worn or damaged.

4.3 Inspect all ﬁttings for proper installation. Check the “pusher line” pipe coupling connections for a secure ﬁt. DO

NOT operate the blast machine if connections are loose.

4.4 Ground the blast machine.

Important Warning

MBM-Series Owner’s Manual