Ulvac GR60, Инструкция по эксплуатации

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Instructions Manual － Multiple Roots Type Dry Pump GR60/90/180
YK09-0023-DI-003-02
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The following list shows parts to be replaced at the time of an overhaul. The replacement period
depends on the part and the parts in the list are grouped by replacement period (years). However,
in some cases, the replacement period depends on the conditions of use.
○ Parts to be replaced at the time of an overhaul
Parts Name Corresponding Model
Bearing All models
Power Lock All models
Mechanical seal
*2
All models
Coupling Spider All models
O ring All models
Teflon seal All models
Vacuum pump oil All models
○ Parts to be replaced every two years
Parts Name Corresponding Model
Bearing case All models
○ Parts to be replaced every three years
Parts Name Corresponding Model
Seal sleeve All models
Check valve ball All models
Pressure meter for nitrogen gas All models
○ Parts to be replaced every five years
Parts Name Corresponding Model
Cylinder *1 All models
Rotor shaft *1 All models
Vibration absorbing rubber All models
*1: Perform dimensional measurement and, if deformation is found, replace the part.
*2: If abrasion more than the specified amount is found, replace the part.