ASME B30.27:2019 pdf free download

admin
ASME B30.27:2019 pdf free download

ASME B30.27:2019 pdf free download.Material Placement Systems.
(b) 125% of the rated static load is applied to the boom. Stability of a representative model of the truck-mounted material placement system with Integral placing boom shall be verified by performing the test described In para. 27.2.2.2.
274.2.3 LiftIng Attachments
(a) Machines or their parts designed to be lifted by cranes or other lifting devices shall be equipped with suitable attachment points.
(b) Attachment points shall be clearly marked for Identification purposts.
(ç) Any component wcighmg more than 500 lb (227 kg) and having identified lifting attachment points shall have the component weight legibly and durably marked on the component.
27-L2.4 Replacement Parts
Replacement parts shall be manufactured using at least the same design factors of the parts they are intended to replace.
SECTION 27-1.3: WORK PLATFORMS, ACCESS
WALKWAYS, AND GANGWAYS
(a) Work platforms, access walkways, and gangways shall be a skid-resistant type.
(b) Access for maintenance, assembly, dismantling, and testing should be provided.
(c) The machine designer should consider weather conditions in the design phase to minimize adverse effects, such as pooling of water and accumulation of ice and mud.
(d) Access provisions forgetting on and off the material placement system shall be In accordance with SAE 12703.
SECTION 27-1.4: ELECTRICAL INSTALLATIONS
Eachelectrlcallypoweredplaclngboomshall havea power disconnect switch mounted at or near the base of the placing boom. This switch shall have provisions to apply lockout/tagout procedures in accordance with
ANSI Z244.1.
(b) Electrical equipment shall be located or guarded so that live parts are not exposed to inadvertent contact under normal operating conditions.
(c) Electrical equipment shall be protected from concrete, dirt, grease, oil, and moisture infiltration. Fixtures. wiring, and connections exposed to the weather shall be of weather-resistant type.
(d) Overload protection shall be provided for each individual motor.
Control panels,manual override levers, access doors,and covers shall be located to provide access to accom-modate human physical dimensions as outlined in Iso3411.
SECTION 27-1.6: OUTRIGGERS
(a) The machine shall be constructed so that theoperator can see the area of outrigger movement fromthe outrigger control station.
(b) Means shall be provided to hold all outriggers in theretracted position while traveling and in the extendedposition when set for operating.
(c) If equipped with detachable outrigger floats (feet].they shall be securable to the outrigger jack.
(d) The maximum downward force imposed by theoutrigger shall be marked at each outrigger.
(e) Power-actuated jacks, where used, shall beprovided with the means (such as integral load holdcheck valves on hydraulic cylinders, mechanical locks,etc.) to prevent loss of support under load.
SECTION 27-1.7: CONTROLS AND INDICATORS27-1.7.1 Emergency Stops
(a) Each machine shall be equipped with an emergencystop system.
(b) The emergency stop system actuator[s] shall bevisible,accessible,and easy to operate.
(c) The machine shall be equipped with an emergencystop actuator at control panel[s) and at the remote controldevice(s).The machine may be fitted with additionalemergency stop actuators.