Dominick Ventura, an instructor at ASIP, also notes that some coupler configurations make it tough to impossible for the operator to see if the connection is locked from his viewpoint within the cab. There are few visible indicators of a locked connection. Ventura says the one approach an operator can safely decide if the coupler is safe is to do a “bucket test” each time he modifications buckets or powers on the machine.
When the system is full and vented the take a look at rig can be linked to the system and the stress increased to the required system check stress, as required by the specification 1.5 the working stress. When the check strain is reached the valve at the fill level will be closed for a period of 15 minutes to stabilize the system, the gauges might be checked to see if any pressure loss has occurred due to the stabilization, in that case the check rig will probably be applied to carry the system check stress back up to the specification necessities. Upon re-pressurization the test rig shall than be dismantled from the system.
[ the directions say 14.9 millibars which appears to me like a possible error as 14.9 millibars = about 6″ of water column (0.22 psi) – ed.]
The Propane or LP or LPG gasoline supply pressure for this particular appliance, your equipment may be different should be 11″ water column (0.40 psi or 2740 pa or 17.4 millibars)
Natural Fuel pressures are described intimately
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