Hitachi RCUE140AG2 User Manual

SMGB0003 rev.0 - 11/2006
pag. 152
Maintenance
6.2. Maintenance criteria of Screw Compressor
6.2. Maintenance criteria of Screw Compressor
6.2. Maintenance criteria of Screw Compressor
Classifi cation Time and year Model Performance items
Daily check
Every day
Save of operation situation
(pressure, temperature, voltage, current value,
remarks etc.)
remarks etc.)
−
−
Periodically check
Every 6,000 hrs
Every one year
Operation check of safety device, protection device
−
24,000 hrs
Every 5 years
air-cooled
Overhaul check of compressor and parts check
Lubricant oil
−
−
40,000 hrs
Every 5 years
water-cooled
Remarks
Take the shorter period
According to purpose or conditions of use, work
items shall be added individually.
items shall be added individually.
−
Year/month to change or check (min) Remark
( ) is for air-cooled.
Operation test of safety device and protection device
1
High pressure switch
Check of lubricant oil and change it
2
Refrigerant oil
3
Suction gas strainer, oil strainer.
Decomposition of compressor
4
Bearing
5
Rotor
6
thrust liner
7
Set of tooth lock washer (tighten the nuts)
Change them at the same
time as bearing
8
Set of P.K.O ring
9
Set of Tefl on ring
: part change
: part change if abnormality is detected in the check
This table is applied in case that operation condition is good and operation record is fully equipped.
Perform compressor check according to the compressor service manual and technical notice.
−
−
−

NOTE:
Time
Item
3.000 hr
6.000 hr
40.000 hr
(24.000 hr)
(24.000 hr)
1 month
6 month
1 year
5 year
(3 year)

Hitachi RCUE140AG2 Specifications

General

Brand	Hitachi
Model	RCUE140AG2
Category	Chiller
Language	English