USE AND MAINTENANCE MANUAL - SECTION 8
STOCK PICKER ELEVAH 51 MOVE
– Rev. 08_2020
Page 8-7
Checking for chain wear
(Check the cause of the malfunction before installing the new chain)
Lifting chain
Manufacturer: REGINA – Model: AL522
A1 = 10,6 mm ; Dp = 5,09 mm ; P = 15,875 mm ; S = 2,04 mm ; Hi = 12,83 mm
Elongation:
Measurement of chain slightly tightened on straight sections 1/5 to 1/15 of the total length. Maximum
elongation allowed: 2% along the most worn section.
Wear of plate profiles:
Where the phenomenon is most noticeable: maximum permitted height reduction of 2.5% on one
side only, 4% if on two sides, in relation to the initial height.
Wear on the side of the chain:
Replace the chain if the protruding part of the pin heads is worn down by more than 25% or if the
outer side is worn down by more than 20% of its thickness.