B2 MAINTENANCE (Contractor’s level)
B2.1 Post start-up maintenance
After the compressor has run for the initial 100
operating hours:
a) Drain the oil and refill the compressor with the
correct amount of fresh oil.
b) Exchange or clean the oil discharge filter element.
c) Exchange or clean oil suction filter element (pos 24
of fig. 2.1) as given in §B7.
d) Clean suction gas filter.
e) Check the compressor shaft seal for leakage.
If excessive (more than 1 cc/hr) replace the seal.
f) Check drive
f1) Retighten the coupling mounting bolts with the
torque settings as given by the coupling
manufacturer.
f2) Verify and if necessary, correct the tension of
the V-belts as given in the V-belt supplier’s
instructions.
g) Verify and if necessary, correct the torque settings
of all foundation bolts as given in § 7.2 of the
Compressor Service Instruction Manual.
Refrigeration Division
Grasso
B: INSPECTION, MAINTENANCE
AND TROUBLE SHOOTING
B1.2 Installation and Maintenance Manual RC(U)6 v001.99.01.en
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