Disassembly/Assembly
Guidelines
IRB 6400
Page 6 - 8
Axes 2 & 3 Guidelines
COUNTERBALANCE CYLINDER (L63) (L85) Removal
1. POSITION ROBOT SO LOWER ARM FRAME (L17) IS STRAIGHT UP.
2. TURN MAIN ELECTRICAL DISCONNECT SWITCH OFF AND LOCK IT
IN THE LOCKED POSITION.
WARNING! BE SURE ELECTRICAL DISCONNECT SWITCH IS
OFF AND LOCKED IN OFF POSITION!
3. LOCK CYLINDER LENGTH:
a. Remove M10 protective plug from top of cylinder.
b. Insert M10 screw until it mechanically stops. Cylinder springs will
now be locked and cylinder center distance held so cylinder can
be easily remounted.
4. ATTACH HOIST TO BALANCING CYLINDER (L63) (L85).
5. REMOVE NUTS (L66) (L90). (Nuts are Loctited.)
6. REMOVE BALANCING CYLINDER. Carefully pry top off approxi-
mately half way. Then pry bottom all the way off. Make sure cylinder
weight is supported by hoist, then pry top completely off.
7. LIFT CYLINDER AWAY AND SET IN A SAFE PLACE.
E
E
REFERENCE DRAWINGS
Exploded View:
“L” (pg 6-24, 12-3)
Assembly:
3HAA 0001-ZT (pg 13-5)
Hand Tools
M10x100 Screw (1)
REQUIRED TOOLS
CYLINDER WEIGHS
APPROX. 100 LB.
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