13
IMPORTANT NOTICES
GRS PROGRESSIVE FOOT THROTTLE OWNERS
The GRS Progressive Foot Throttle will operate properly with this engraving system.
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AIR CONTAMINANTS AND WATER ACCUMULATION
If large amounts of water and contaminants are in the air supply to the system, the
bowl must be drained frequently to prevent water from entering the rotary valve,
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accumulation.
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noted in the handpiece or throttle hoses, power off system immediately. Purge air from
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Disassemble and clean handpiece(s). Reassemble.
Set primary air pressure to 10 psi (0.7 bar). Power on the system to purge moisture
from valves, hoses, etc.
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to remove the plug; drain any moisture from reservoir. Replace drain plug.
Before powering on engraving system, locate source of moisture and correct
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