6 Mountin g e lev a tion t rian gle S 61 Mounting f or g r oups of r o w s wit h longitudinal base r ails Continued Ins t allation Ins tructions f or Solar F as t ening Sy s t em S t ep 7 When all ele v ation tr iang les ha v e been mount ed f our cr oss r ail joiner s ar e clic k ed on loosely per tr iang le S t ep 8 P osition t he mounting r ail on t he ele v ation tr iang les and hook t he cr oss r ail joiner s int o t he side r ail mounts Then align t he mounting r ails s tr aight r elativ e t o eac h o t her using a mar king line T o connect se v er al mounting r ails t o eac h o t her in ser ies use t he r ail joiner s in accor dance wit h St ep 4 Af t er t he mounting r ails hav e been cor r ectly aligned tight en t he scr e w s of t he cr oss r ail joiner s tight ening t or q ue 1315 Nm S t ep 9 When all mounting r ails hav e been mount ed on t he ele v ation tr iang les t he cr oss s tr uts ar e att ac hed These mus t be mount ed on t he end of eac h closed r o w and at leas t e v er y 12 m The cr oss s tr uts ar e fas t ened on t he v er tical tr iangular pr ofles at eac h end wit h an M8x25 hammer head scr e w s t ainless s t eel A2 Ar t 0865 68 25 and an M8 selfloc king nut s t ainless s t eel A2 Ar t 0387 000 08 on t he r ear of t he tr iang le The sq uar e mat er ial mus t be cut t o t he r espectiv e lengt h f or t his pur pose and pr edr illed wit h a 9 mm dia at t he end in eac h case S t ep 10 Pr o vide t he modules wit h a slip pr o t ection de vice pr ior t o module mounting F or t his pur pose fas t en M6x20 he x agon bolts s t ainless s t eel A2 Ar t 0096 6 20 wit h M6 nuts s t ainless s t eel A2 Ar t 0322 6 in t he bo tt om fas t ening holes on t he r ear of t he module When mounting lar g e modules M8x20 he x agon bolts mus t be used Then la y t he fr s t module on t he mounting r ail until t he he x agon bolts s tr ik e t he bo tt om mounting r ail 42 43 Solar Mounting Syt em N o t e The ins t allation ins tr uctions of t he module manufactur er mus t be obser v ed f or t he spacing of t he mounting r ails t o eac h o t her T o com pensat e t he difer ent lengt h e xpansions be tw een t he g lass modules and t he aluminum fr ame t he module feld should be int er r up t ed af t er appr o x 12 m It is advisable t o alr eady position t he end holder s dur ing r ail mounting