ASME B30.27:2005 pdf free download.Material Placement Systems.
(d) All control devices shall be constructed, arranged, and marked so their function is indicated.
(e) Control devices that activate boom movements shall return to the neutral position when released.
27-1.7.4 Hour Meters
Hour meters shall be installed on any material placement system requiring maintenance based on hours.
SECTION 27-1.8: GUARDS
(a) Any hazard that is inaccessible is considered guarded by location.
(b) A fixed guard shall be installed for rotating shafts. The underside of a mobile truck chassis-mounted material placement system is considered guarded by location.
(c) A fixed guard shall be installed over V-belts, drive pulleys, chains, sprockets, gears, and other moving parts.
(d) All exhaust pipes shall be guarded or insulated to prevent contact with personnel when performing routine duties.
(e) Whenever guarding is impractical, prominent means such as safety signs or lights shall be provided at the point of hazard in lieu of guarding.
SECTION 27-1.9: MOBILE AND STATIONARY PLACING BOOMS
27-1.9.1 Placing Booms
(a) Mobile placing booms shall be equipped with a remote control with sufficient range to operate the material placement system from a distance equivalent to the boom length.
(b) The lifting and lowering speed at the end of the boom shall not exceed 3 ft/sec when activating any one section.
(c) The lifting and lowering speed at the end of the boom shall not exceed 10 ft/sec when activating any combination of boom functions.
(d) The horizontal slewing speed at the end of the boom shall not exceed 5 ft/sec.
(e) An integrally mounted holding device (such as a load hold check valve) shall be provided with each hydraulic cylinder on each boom section to prevent uncontrolled movement of the boom in the event ol a hydraulic system failure (e.g., supply hose rupture).
27-1.9.2 Boom Tip Attachments
Provisions shall be made so that attachments suspended from the boom tip can be restrained.
ASME B30.27:2005 pdf free download
