SECTION 4
-
MAINTENANCE & TROUBLESHOOTING
IMPORTANT:
All directions, such as left or right, are
with respect to the operator facing the turntable (front)
on the weld side of work envelope and with locking pin
assembly located at opposite side (rear).
4
-
1. CLEANING AND INSPECTION
WARNING: ELECTRIC SHOCK can kill.
•
Do not touch live electrical parts.
•
Shut down turntable, welding power source, and
robot control, and disconnect input power
employing “lockout/tagging procedures” before
inspecting or servicing.
Lockout/tagging procedures consist of removing plug
from receptacle, padlocking line disconnect switch in
open position, removing fuses from fuse box, or shut-
ting off and red-tagging circuit
breaker or other discon-
necting device.
MOVING PARTS can cause serious injury.
•
Keep clear of moving parts.
PRESSURIZED HYDRAULIC FLUID can cause
serious Injury.
•
Release hydraulic fluid pressure according to Sec-
tion 4-73 before touching any hydraulic com-
ponents.
Hydraulic fluid pressure is present even though elec-
trical power is disconnected.
Maintenance to be performed only by qualified persons.
A schedule for cleaning and inspection should be set
up, based on the type and conditions of service,
to in-
clude the following:
Keep the inside of the unit clean by blowing out the unit
with clean, dry compressed air.
Wipe oil spills from base and support surface im-
mediately to avoid accumulation of dust.
Check for oil leaks indicating loose hydraulic connec-
tions inside the turntable. Tighten loose connections
and wipe oil from surfaces.
Check all hoses, cords, and cables for cracks or frayed
areas. Replace any damaged hydraulic hoses and repair
or replace faulty cords or cables.
REAR
Ref. TO-i 20 290
Figure 4
-
1.
Location Of Cylinder Pin Guide Bracket And Ball Bearings
FRONT
Lower
Ball
BearIng
Ref: TB-120 281
OM-890 Page
12
Содержание 5 TURNTABLE
Страница 43: ...0 Old l J 1 C4 0 z E N CU F N N a 4 C J N L a N E 0 0 a 4 0 a U 4 C w CC N 0 J c l J OM 890 Page 40...
Страница 44: ...Circuit Diagram No A 120 980 Figure 4 26 Hydraulic Circuit Diagram r U n J OM 890 Page 41...
Страница 45: ...July 1988 FORM OM 890 PARTS LIST...
Страница 48: ...5 6 TD 120 289 Figure B Control Panel OM 890 Page 3...
Страница 50: ...p 0 E 0 to to 4 a C 0 C C U a V p r C 0 a OM 890 Page 5 3 N 6 H...