5699-E P-69
SECTION 4 INSPECTION, MAINTENANCE AND ADJUSTMENTS
12. Troubleshooting
(1) Trouble occurrence
(2) Check the electrical signals on screen.
(3) Reduce the downtime.
The actual procedures are as follows.
12-1. Others
No Lubricating Oil Flow to X-/Z-axis Slideways
No Coolant Supply
No Pressure Building-up of Hydraulic Power Unit
STEP CASE YES NO
1 Lubricating oil is not consumed in one
to two days.
Step2
2 Lubrication pump is faulty. Adjust the centralized lubrication
unit. (See “Adjusting Centralized
Lubrication Unit” in this section.)
Step3
3 Distrubution valve is not operating. Change the centralized lubrica-
tion unit.
STEP CASE YES NO
1 Coolant pump motor is not rotating. Check if the overload relay in the
control box (4) is tripped.
Step2
2 Filter is clogged. Clean the strainer. Step3
3 Coolant tank is not filled to the speci-
fied level.
Replenish the coolant.
STEP CASE YES NO
1 Hydraulic power unit pump motor is
not operating.
Check if the overload relay is
tripped.
Step2
2 Filter is clogged. Clean the filter. (See “Hydraulic
Power Unit”.)
Step3
3 Hydraulic oil tank is not filled to the
specified level.
Replenish the hydraulic oil.
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