Technical information Crab range

7 1 H é l i c r a b s p i r a l s t a i r c a s e • Follow the procedure up to step 10 WITHOUT fitting the standard for guardrail standard and 0.70 m MDS guardrail. • Move part of the erection platform then raise the tower by one level, steps 6 to 8 . • Remove and refit the whole erection platform. • Fit a 0.70 m Panangle below the two step flight at the landing. • Continue erecting the tower, steps 6 to 11 . • Fit the last guardrail and the missing toeboards. 8 m staircase with two exits (or landings) 11 12 13 Landing between 2 two step flights. • Fit a stirrup ring and a 2-step flight stud. • Fit two 0.70 m ledgers on the stirrup rings and a U bracket on the 1.50 m ledger and a stair coupling. • Fit a 0.70 m Panangle for the side exit and a 0.30 m x 0.70 m Panacier to fill the gap under the upper two step flight. • Continue with a two step flight and a landing guardrail using standard on the stair coupling and 0.70 m ledgers. Corner exit. After fitting a two step flight: • Fit a stirrup ring and a standard for guardrail. • Fit two 0.70 m ledgers with U brackets to the ring. • Fit a Panangle and two 0.70 m x 0.30 m Panacier. • Fit an standard and two 0.70 m ledgers as a guardrail and fit a toeboard. Three step flight above a landing. • Fit a stirrup ring. • Fit two 0.70 m ledgers and single stirrup coupling. • Fit two 0.70 m Panangle. • Fit the three step flight. 2 accessories for even more flexibility Ring and stud The stud is used to connect 2 two step flights together. The stirrup ring rests on the lower flight of two steps for attaching ledgers supporting various types of panel (Panangle, 0.70 m Panacier, etc). Part number Description Weight (kg) 250046-0 2-step flight stud 0.90 250044-5 Hélicrab stirrup rings 1.08 01.11.17 T e c h n i c a l i n f o r m a t i o n