Disassembly/Assembly
Guidelines
IRB 6400
Page 7 - 10
Axis 4 Guidelines
INTERMEDIATE GEAR UNIT (U75) Installation
WARNING! BE SURE ELECTRICAL DISCONNECT SWITCH IS
OFF AND LOCKED IN OFF POSITION!
1. SET INTERMEDIATE GEAR ASSEMBLY (U75) UNIT IN PLACE:
a. Set intermediate gear unit (U75) in place with intermediate gear
(U74) in mesh with final gear (U41).
b. Insert screws (U67) with washers (U68). Just lightly touch tighten.
2. ADJUST PLAY BETWEEN INTERMEDIATE GEAR (U76) AND FINAL
GEAR (U41) as outlined in Section 4.
3. ADJUST BACKLASH BETWEEN MOTOR PINION (U83) AND INTER-
MEDIATE GEAR (U76) as outlined in Section 4.
4. INSTALL COVER (U54):
a. Lightly grease lip of seal (U40), which is already installed in cover
(U54).
b. Set cover (U54) and gasket (U55) in place on housing (U61). Use
new gasket (U55), if necessary.
c. Insert screws (U36) with washers (U37) and tighten to secure
cover to housing. Cover must be oil tight.
5. INSTALL TUBE BRACKET (U53):
a. Set tube bracket (U53) in place supporting cable (U14) tube.
b. Insert screws (U52) and tighten.
6. INSERT BOTTOM HALF OF UPPER CABLE (U14):
a. Feed lower part of upper cable (U14) under housing (U61) and
down through lower arm (L17).
b. Adjust cable clamps to mount under housing (U61) and inside
front lower arm frame (L17). Secure both clamps to housings.
7. CONNECT CABLES AT MOTOR (U83):
a. Connect connector R3.FB4 to motor (U83).
b. Connect connector R3.MP4 to motor (U83).
8. CONNECT CUSTOMER AIR HOSE by accessing clamp through
measuring card unit (S10) opening.
E
E
REFERENCE DRAWINGS
Exploded View:
Assemblies:
3HAB 4163-2 ( pg 13-23)
3HAA 0001-AAS ( pg 14-A)
3HAB 4252-2 ( pg 14-J)
3HAA 0001-AAH ( pg 13-13)
“S” (pg 7-20, 12-2)
“U” (pg 7-22, 12-4)
Hand Tools
REQUIRED TOOLS
Luabricating Grease
INTERMEDIATE
GEAR WEIGHS
APPROX. 15 LB.
COVER WEIGHS
APPROX. 20 LB.
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