Disassembly/Assembly
Guidelines
IRB 6400
Page 6 - 20
Axes 2 & 3 Guidelines
7. REMOVE SHAFTS (L16) and (L18):
a. Remove two set screws (U64) which lock shafts (L16) & (L18) in
place. These screws MUST be removed before trying to unscrew
shafts (L16) and (L18).
WARNING! DO NOT ATTEMPT TO REMOVE SHAFTS (l16) OR
(L18) WITHOUT FIRST REMOVING SET SCREWS (U64)!
b. Carefully unscrew shafts (L16) and (L18) from lower arm frame
(L17). Protect threads from damage.
NOTE: Both shaft assemblies (Ll16) & (L18)
have nilos rings (L11) or (L22), spacers (L10)
or (L23), bearing (L12) or (L21), sealing ring
(L13) or (L20), and V-ring (L15) or (L19).
CAUTION: SHAFT (L16) HAS AN ADDITIONAL SPACER (L14).
THIS ADDED SPACER IS IMPORTANT DURING REASSEMBLY.
8. LIFT UPPER ARM ASSEMBLY AWAY AND SET IT IN A SAFE PLACE.
C
E
E
UPPER ARM
ASSEMBLY WEIGHS
APPROX. 500 LB.
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