Disassembly/Assembly
Guidelines
IRB 6400
Page 7 - 5
Axis 4 Guidelines
2. INSTALL MOTOR (U83):
a. Lightly grease O-Ring (U81) and set in place.
b. Place motor in mounting position. It may be necessary for you to
manually turn axis 4 a little to engage pinion (U82).
c. Insert screws (U85) with washers (U84). do not use Loctite at this
time. Tighten.
3. ADJUST PLAY BETWEEN INTERMEDIATE GEAR (U74) & PINION
(U82) as outlined in Section 4, Page 17.
NOTE: In extreme conditions when downtime
is critical, steps 3, 4, 5, 6, 7, 8, 9, & 10 may be
skipped. However, substantial backlash may
result due to the elimination of the backlash
adjustment.
4. INSTALL COVER (U54):
b. Lightly grease lip of seal (U40), which is already installed in cover
(U54).
c. Set cover (U54) and gasket (U55) in place on housing (U61). Use
new gasket (U55), if necessary.
d. 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).
c. Secure cables to housing (U61) with tie wraps.
MOTOR WEIGHS
APPROX. 35 LB.
COVER WEIGHS
APPROX. 20 LB.
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