Gardner Denver RBS 15, Service Manual And Parts List

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1 OPERATING PROBLEMS
PROBLEM CAUSE
High absorbed power
WARNING : STOP THE BLOWER IMMEDIATELY
1-3-6-7-8-9-10-11-12-13-14
Differential pressure higher than the contract value
WARNING : STOP THE BLOWER IMMEDIATELY
1-3-6-7-8
Discharge temperature T2 higher than the contract value
WARNING : STOP THE BLOWER IMMEDIATELY
2-4-5-6-7-8
High vibrations and/or noises
WARNING : STOP THE BLOWER IMMEDIATELY
9-10-11-12-13-14-15
Oil dark 2-4-5-6-7-8-13-14-15-17-19-20-21-22
Oil leakages 15-16-17-20-21
Cooling liquid leakages 22
Shaft rotation locked or limited 9-10-11-12-13-14-15
Cracks on external surface 9-10-11-12-13-14-15
Alteration of the color of the external paint 2-4-5-6-7-8-9-10-11
Rif.
CAUSE SOLUTION
1 Pressure P2-P1 higher than the contract value
Reset the rated value
2
Ratio
P2/P1 higher than the contract value
3 Speed n higher than the contract value
4 Speed n lower than the contract value
5 Temperature T1 higher than the contract value
6 Filter clogged Replace the filter element
7 Suction pipe clogged
Remove the obstruction and check the piping
8 Discharge pipe clogged
9 Scale deposits in the compression chamber
Clean the compression chamber and the rotors,
balance the rotors if necessary
10 Rotors making contact
Check the surface of the rotors, of the casing
and of the covers
Replace the parts with damaged surface
11 Intake of foreign particles
Remove the foreign particles
Clean the compression chamber
Check the clearances
12 Transmission not aligned Check and correct the alignment
13 Bearing damaged Replace the bearings
14 Gear damaged Replace the gears
15 Labyrinth seals damaged Replace the labyrinth seals
16 Drive seal shaft damaged Replace the shaft seal
17 Oil level too high Reset the rated value
18 Oil viscosity too low
Change the oil type
19 Oil viscosity too high
20 Gaskets damaged Replace the gaskets
21 Oil level plugs are broken Replace the oil level plugs
22 Cooling circuit damaged (only /RV) Restore the circuit
NOTE
P1 = Suction absolute pressure
T1 = Suction temperature
P2 = Discharge absolute pressure T2 = Discharge temperature
n = Rotational speed