Echo LS21 Owners Manual v.1 - Manual (Page 34)

Fig. 24 Cylinder cradle reinstalled into mounting position
Fig. 25 Cylinder cradle reinstalled into mounting position
Fig. 26 Cylinder cradle reinstalled into mounting position
29. Secure the cylinder cradle back into position as shown
in Fig 25 and secure into place using the two 5/16 x 1"
bolts removed earlier along with four other 5/16 x 1" bolts
from the Owner's kit. All six bolts will require washers and
nuts included in the Owner's kit.
30. Fig's 25 & 26 show the location of bolts on completed
cylinder brace assembly.