187
OMAHA STANDARD
520/625/630 UPPER MOUNT INSTALLATION
STANDARD MOUNTING
3. RUNSILL REINFORCEMENT
A. Reinforcement of runsill lift brackets and/or body runsills is necessary when
distance from front of body to lift point of hoist exceeds the following:
4” Channel runsill=66” lift point to front of body
6” Channel runsill=78” lift point to front of body
7” Channel runsill=90” lift point to front of body
8” Channel runsill=104” lift point to front of body
B. You must reinforce runsills when carrying extreme loads in front of body. Such
reinforcement is necessary even in instances where distance from front of body to lift
point of hoist is less than indicated above. Consult factory for instruction.
C. Lateral: A 3” channel cross brace is included for additional reinforcement between
runsills. On a standard mount, position brace far enough ahead of upper mount to clear
lower mount when body is in down position. On a reverse mount, position brace behind
upper mount (toward rear of body). In either instance, position brace in vertical position,
perpendicular to runsills and as close to lower leg of each runsill as possible.
(see figure 17)
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