Nabtesco GM Series - Removal from the Machine

GM Series
TM19040 P.28/31
Step 1 Using a surface thermometer, measure the surface temperature at the measurement point
shown in the following figure below and the surrounding area to check the maximum value.
図 6-1
NOTE
For the method of using the surface thermometer, refer to the operation manual attached to the
product you use.
Step 2 If the surface temperature is more than 80°C, report it to the administrator and stop the machine
operation.
Standard surface temperature of hydraulic motor and reduction gears in continuous operation：
Maximum 80℃
6.3. Removal from the Machine
If it is necessary to remove GM from the machine for maintenance, inspection, or replacement, pay the
following precautions and remove it in the reverse procedure described in Section 4.2, Hoisting and
Installing GM (refer p.15).
CAUTION
• To remove GM, hoisting by crane operation is needed. Before starting the removal, refer to
“4.1 Precautions on Hoisting” (p.14) to confirm the precautions on hoisting and work
procedure. Hoist GM in accordance with the description.
• Make sure no torque remains on GM before starting work.
①、②：Hydraulic motor temperature
measurement point
※② anywhere on the circumference
③：Reduction gears temperature
measurement point
③
①
②