Maintenance and Care
67
Carefully read these Operating Instructions before starting any work!
This is especially valid for the chapter on General Safety Instructions
and the safety instructions in each of the chapters.
8.3.1
Maintenance schedule for natural-gas operation
Interval after
operating hours
at 1500 rpm
1)
Scope of maintenance operations
Service
performed
Stamp/Signature
E1
E2
E3
R1
R2
R3
20-50
or after
commissioning
and R2, R3
x
400
2)
800
x
1600
x
x
2400
x
3200
x
x
4000
x
4800
x
x
5600
x
6400
x
x
7200
x
8000
x
x
8800
x
9600
x
x
10,400
x
11,200
x
x
12,000
x
12,800
x
x
13,600
x
14,400
x
x
15,000
x
15,200
x
16,000
x
x
16,800
x
17,600
x
x
18,400
x
19,200
x
x
20,000
x
20,800
x
x
21,600
x
22,400
x
x
23,200
x
24,000
x
x
24,800
x
25,000
x
25,600
x
x
26,400
x
1) The maintenance intervals depend on the operating conditions and the quality of the gas. For scope of
maintenance work, see page 69.
2) The cylinder head bolts are to be retightened at 400 operating hours.